Games like Theseus Protocol on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Theseus Protocol are available at the bottom of the page.

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Nowhere Prophet Prepare your decks and go on a pilgrimage through the wasteland! Nowhere Prophet is a unique single-player card game. Travel across randomly generated maps and lead your followers in deep tactical combat. Discover new cards and build your deck as you explore this strange, broken world.

Similarity 59%
Price -98% 0.52€
Rating 6.9
Release 19 Jul 2019
Card Quest Card Quest is a dungeon crawling adventure game with unique card combat. Play with a variety of unique character classes, and customize decks to fit your playstyle. Explore the strategic depth of tactical roguelike gameplay, and crush the undead plague.

Similarity 59%
Price 8.19€
Rating 8.0
Release 07 Nov 2017
Crop Rotation Crop Rotation is a farming-theme card drafting game. Cards are played automatically so you can focus on the deck building and building synergies.

Similarity 59%
Price 9.75€
Rating 8.7
Release 15 Sep 2023
Bingle Bingle Bingle Bingle is a 'Roulette Builder' game where you can create your own Roulette. Strategically combine various betting options and unique balls to create synergies, earn extreme scores, and beat the casino.

Similarity 59%
Price 10.79€
Rating 7.9
Release 18 Mar 2024
Heroes Wanted "Heroes Wanted" immerses you in a world of endless deck-building possibilities. Over a hundred of heroes and items, combined with elements, unleash powerful synergies. SIMPLE, FUN, and ADDICTIVE! Heroes await your call to deliver the ultimate blow to the Demon Lord.

Similarity 59%
Price 19.99€
Rating 7.8
Release 11 Jun 2024
System Crash System Crash is a story-driven cyberpunk collectible card game inspired by Blade Runner and Neuromancer. When corporations own everything and the line between man and machine is blurred, your only option is to fight to survive!

Similarity 58%
Price -95% 0.63€
Rating 7.5
Release 01 Aug 2016
Commander Quest Congratulations! You just found a 'one of a kind' roguelike that combines deck-building card game and auto battle strategy game! Consider unit counters, then create powerful synergy by breaking down the boundaries between the battlefield and cards, then lead your army to victory!

Similarity 58%
Price -20% 9.43€
Rating 7.4
Release 04 Apr 2025
Vault of the Void Vault of the Void is a fast-paced roguelike deckbuilder where the power is in your hands. Continuously customise your deck, crafting powerful combos and ingenious strategies. Upgrade your cards with Void Stones, infusing them with new abilities to help defeat the minions of The Void!

Similarity 58%
Price -68% 4.84€
Rating 8.9
Release 04 Oct 2022
Spellstone Spellstone is a fantasy card game with beautiful hand-drawn art and rich lore! Collect hundreds of striking cards to battle through a compelling story and unravel the mystery of the Void.

Similarity 57%
Price Free to play
Rating 6.1
Release 14 Nov 2016
Runespell: Overture This role-playing game, set in an alternate medieval Europe, combines poker mechanics with power ups and collectible cards.

Similarity 57%
Price 8.99€
Rating 7.0
Release 20 Jul 2011
Guild of Dungeoneering Ultimate Edition Now fully rebuilt and remastered, Guild of Dungeoneering Ultimate Edition is a turn-based dungeon crawler with a twist: instead of controlling the hero you build the dungeon around them.

Similarity 57%
Price 19.99€
Rating 7.5
Release 14 Jul 2015
Castle Morihisa "Castle Morihisa" is a roguelike featuring strategic deckbuilder. You need to build up your deck through constant battles, acquire powerful talents, and wield the power of the Fallen Heroes to unveil the truth behind the rebellion in Castle Morihisa.

Similarity 55%
Price 12.49€
Rating 6.5
Release 10 Feb 2022
Erannorth Reborn Erannorth Reborn is a hardcore sandbox Card Game with heavy emphasis on Deck-Building, Character Customization and Moddability. Create unique characters with distinctive attributes, racial/class skills and perks that affect your cards. Adjust and adapt your deck & equipment on-the-fly.

Similarity 55%
Price 17.99€
Rating 7.9
Release 17 Oct 2019
Aotenjo: Infinite Hands The Mahjong Roguelike. Aotenjo: Infinite Hands is an deckbuilder where you will use Mahjong styles all over the world to beat innate threats, play different Patterns and combos, reach the "bottom" of Aotenjo, and discover ancient secrets....

Similarity 55%
Price 9.75€
Rating 8.2
Release 19 Jan 2025
Card-en-Ciel Card-en-Ciel is a roguelite card-battling RPG featuring over 300 different cards and 50 unique vocal songs! Play as Neon, the "Gaming Chair Detective" famous for solving net-crimes, as he encounters a strange new case when he dives into an in-development game world.

Similarity 55%
Price -30% 16.09€
Rating 8.7
Release 23 Oct 2024
Card Hog Card Hog is a pig-based dungeon crawler with roguelike and deck building elements. Take the role of an adventurous hog and interact with more than 100 cards of dangerous enemies, powerful weapons and exciting spells!

Similarity 55%
Price 5.89€
Rating 8.8
Release 04 Dec 2023
Looper Tactics Welcome again, wandering soul. Will this be the time of your success? Watch your steps as you advance in this roguelike-deck builder and engage in auto-battler card encounters of increasing difficulty. Get stronger in each battle, rise from the ashes, and break free from endless reincarnation!

Similarity 55%
Price -39% 6.65€
Rating 8.3
Release 28 Aug 2023
Meteorfall: Krumit's Tale Krumit's Tale, the second game in the Meteorfall universe, is a new take on the deckbuilding roguelike genre. Use your cards to clear dungeons, then upgrade your deck with new cards and perks to press forward. The fate of the world is in your hands.

Similarity 54%
Price 12.49€
Rating 8.5
Release 22 Jul 2020
Rune Coliseum A deck-building roguelike game with unique semi-real-time combat system. Step into the shoes of an ancient gladiator and do your best to survive in the coliseum. Combine various skills and equipment, develop your own fighting style, and defeat all the enemies to become the next champion!

Similarity 54%
Price 18.49€
Rating 8.3
Release 23 Sep 2024
Card City Nights Card City Nights is not a traditional card-trading game. It's an adventure game with zany characters to meet and weird locations to explore. In the center is our new card battle system that breaks away from the fantasy TCG mold with connecting cards to form combos.

Similarity 54%
Price -91% 0.89€
Rating 8.4
Release 14 Feb 2014
Draft of Darkness Draft of Darkness is a survival horror RPG with deck building and roguelike dungeon exploration. Recruit allies, synergize their decks to create powerful card combos. Manage your limited resources and explore procedurally generated maps to determine the story's outcome.

Similarity 53%
Price 14.79€
Rating 8.6
Release 23 Aug 2023
.Forty-Five A perfect mix of card game, rogue-lite, and pure wild west mayhem. Explore an ever-changing map, collect cards, and battle enemies. Cards are Bullets and are loaded into the revolver to gun down enemies. Experience .Forty-Five's innovative gameplay for free!

Similarity 53%
Price Free to play
Rating 9.0
Release 24 Mar 2024
Sketch Crawler New game from the legendary game designer, creator of S.T.A.L.K.E.R: Shadow of Chernobyl. A super-creative roguelike\deckbuilder in which you can redraw everything, voice everything and even write your own texts in quests and dialogs! (300+ reviews read below)

Similarity 53%
Price 9.75€
Rating 8.1
Release 01 Nov 2024
Necroking Necroking is a turn-based tactics roguelite with vast deckbuilding. You play as a Master of Necromancy. Build your skulls deck, raise skeletons and other scum to defeat settlements desecrated by life.

Similarity 53%
Price -84% 0.84€
Rating 7.9
Release 04 Sep 2024

Most played games like Theseus Protocol on Steam

Take a look at the top games like Theseus Protocol that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.

1. Balatro

Similarity 67% The poker roguelike. Balatro is a hypnotically satisfying deckbuilder where you play illegal poker hands, discover game-changing jokers, and trigger adrenaline-pumping, outrageous combos. Balatro is a card game, roguelike deckbuilder and rogue-like game developed by LocalThunk and published by Playstack. Released on February 20th 2024 has received 153,566 reviews of which 150,524 were positive and 3,042 were negative resulting in an impressive rating of 9.7 out of 10. The game has hit the top spot as the #1 most played game like Theseus Protocol, thanks to its 16,904 peak concurrent players over the last day.
9.7
150,524
3,042

16,904
players

2. Slay the Spire

Similarity 73% We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire! Slay the Spire is a roguelike deckbuilder, card game and card battler game developed and published by Mega Crit. Released on January 23rd 2019 has received 182,277 reviews of which 178,250 were positive and 4,027 were negative resulting in an impressive rating of 9.7 out of 10. While seeing 8,873 players online at once in the last 24 hours, this game is currently ranked #2 among games like Theseus Protocol based on player count.
9.7
178,250
4,027

8,873
players

3. 9 Kings

Similarity 42% A fast-paced roguelike kingdom builder. Grow your empire and fight massive battles against powerful rival kings. Break the game with thousands of insane builds to become the King of Kings. 9 Kings is a strategy, rogue-like and rpg game developed by Sad Socket and published by INSTINCT3 and Hooded Horse. Released on May 23rd 2025 has received 5,252 reviews of which 4,871 were positive and 381 were negative resulting in a rating of 9.0 out of 10. While seeing 4,398 players online at once in the last 24 hours, this game is currently ranked #3 among games like Theseus Protocol based on player count.
9.0
4,871
381

4,398
players

4. Across the Obelisk

Similarity 51% Set forth in a co-op roguelite deckbuilder where every choice matters! Craft decks of breathtaking power. Journey alone or with up to three friends. Plot your party’s path to glory and face powerful enemies in deep tactical combat on your quest to save the kingdom of Senenthia in Across the Obelisk! Across the Obelisk is a rogue-like, strategy and 2d game developed by Dreamsite Games and published by Paradox Interactive and Paradox Arc. Released on August 16th 2022 has received 11,866 reviews of which 9,733 were positive and 2,133 were negative resulting in a rating of 8.0 out of 10. With 1,301 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Theseus Protocol.
8.0
9,733
2,133

1,301
players

5. Inscryption

Similarity 61% Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards... Inscryption is a card battler, card game and story rich game developed by Daniel Mullins Games and published by Devolver Digital. Released on October 19th 2021 has received 131,890 reviews of which 127,792 were positive and 4,098 were negative resulting in an impressive rating of 9.6 out of 10. With 1,074 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Theseus Protocol.
9.6
127,792
4,098

1,074
players

6. Library Of Ruina

Similarity 41% "May you find your book in this place." Combat between the guests and the librarians breaks out as if it were on a stage. Defeated guests turn into books, and the Library grows onward. And eventually, get your hands on… The one singular, perfect book. Library Of Ruina is a story rich, card game and strategy game developed and published by ProjectMoon. Released on August 10th 2021 has received 34,509 reviews of which 32,471 were positive and 2,038 were negative resulting in an impressive rating of 9.2 out of 10. With 878 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Theseus Protocol.
9.2
32,471
2,038

878
players

7. Shadowverse CCG

Similarity 48% Four million battles every day. One Shadowverse. Japan's #1 strategic card game. Made by card gamers for card gamers. Shadowverse CCG is a free to play, card battler and trading card game game developed by Cygames and Inc. and published by Cygames, Inc. and Cygames Korea Inc.. Released on October 27th 2016 has received 14,714 reviews of which 10,839 were positive and 3,875 were negative resulting in a rating of 7.2 out of 10. With 711 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Theseus Protocol.
7.2
10,839
3,875

711
players

8. Marvel's Midnight Suns

Similarity 41% FIGHT AND STRATEGIZE LIKE A SUPER HERO IN THE DARKER CORNERS OF THE MARVEL UNIVERSE. Play as The Hunter, a legendary demon slayer who must lead a team of Super Heroes and supernatural warriors facing apocalyptic threats. Marvel's Midnight Suns is a superhero, turn-based tactics and deckbuilding game developed by Firaxis Games and published by 2K. Released on December 01st 2022 has received 21,874 reviews of which 17,871 were positive and 4,003 were negative resulting in a rating of 8.0 out of 10. With 521 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Theseus Protocol.
8.0
17,871
4,003

521
players

9. Monster Train

Similarity 61% Monster Train is a strategic roguelike deck building game with a twist. Set on a train to hell, you’ll use tactical decision making to defend multiple vertical battlegrounds. With real time competitive multiplayer and endless replayability, Monster Train is always on time. Monster Train is a card battler, rogue-lite and card game game developed by Shiny Shoe and published by Good Shepherd Entertainment. Released on May 21st 2020 has received 21,868 reviews of which 20,995 were positive and 873 were negative resulting in an impressive rating of 9.4 out of 10. With 446 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Theseus Protocol.
9.4
20,995
873

446
players

10. Commander Quest

Similarity 58% Congratulations! You just found a 'one of a kind' roguelike that combines deck-building card game and auto battle strategy game! Consider unit counters, then create powerful synergy by breaking down the boundaries between the battlefield and cards, then lead your army to victory! Commander Quest is a war, roguelike deckbuilder and card game game developed by Flyway Games and Inc. and published by Flyway Games, Inc., KRAFTON and Inc.. Released on April 04th 2025 has received 2,142 reviews of which 1,641 were positive and 501 were negative resulting in a rating of 7.4 out of 10. With 361 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Theseus Protocol.
7.4
1,641
501

361
players

Best deals on games like Theseus Protocol on Steam

Discover fantastic savings with the best discounts on a variety of games like Theseus Protocol available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Theseus Protocol.

1. Nitro Kid

Similarity 41% Synthwave roguelike deckbuilder set in the neon 80's. Pick your agent. Build your deck. Hit card combos and fight through the floors of INFINITY tower. Featuring 30+ fresh Synthwave tracks by LudoWic, Tonebox and Jules Reves. Nitro Kid is a indie, roguelike deckbuilder and isometric game developed by Wildboy Studios and published by tinyBuild. Released on October 18th 2022 has received 484 reviews of which 430 were positive and 54 were negative resulting in a rating of 8.3 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Theseus Protocol.
8.3
430
54

-99% 19.50€ 0.35€

2. Beneath Oresa

Similarity 62% Beneath Oresa, a fighting roguelike deckbuilder, takes you deep within the city to confront your foes. As a strategist, choose your cards, upgrades, and artifacts wisely, but as a fighter, turn their positioning to your advantage. Beneath Oresa is a roguelike deckbuilder, deckbuilding and card game game developed by Broken Spear Inc. and published by Goblinz Publishing. Released on September 27th 2023 has received 1,437 reviews of which 1,116 were positive and 321 were negative resulting in a rating of 7.5 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Theseus Protocol.
7.5
1,116
321

-99% 21.99€ 0.35€

3. WARCANA

Similarity 51% WARCANA is a fantasy inspired base defence, RTS game with a deck-building mechanic. Face hundreds of thousands of unrelenting monsters in a battle royale between 30 other mighty magicians. Build your deck. Prepare your defences. Summon your armies. Survive the onslaught. Be the last one standing. WARCANA is a strategy, card game and card battler game developed by 1000 Orks and published by Team17. Released on August 29th 2024 has received 444 reviews of which 295 were positive and 149 were negative resulting in a rating of 6.4 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Theseus Protocol.
6.4
295
149

-99% 16.99€ 0.32€

4. Zoeti

Similarity 64% Zoeti is a turn-based roguelite that features a deck of playing cards used to create card combos and activate skills in the heat of battle. Bolster your arsenal of skills through battles, discoverable upgrades, or aid from the locals which enhance your plays to overcome the evil plaguing your land. Zoeti is a roguelike deckbuilder, card game and card battler game developed by Dusklight CO. and LTD. and published by Akupara Games. Released on April 20th 2023 has received 403 reviews of which 264 were positive and 139 were negative resulting in a rating of 6.3 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Theseus Protocol.
6.3
264
139

-99% 19.50€ 0.36€

5. Black Book

Similarity 47% “Black Book” is a dark RPG Adventure, based on Slavic myths, in which you play as a young sorceress. Fight evil forces in card-based battles and explore the world, where humans live alongside mythological creatures. Black Book is a card battler, turn-based tactics and female protagonist game developed by Morteshka and published by HypeTrain Digital. Released on August 10th 2021 has received 6,021 reviews of which 5,575 were positive and 446 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Theseus Protocol.
9.0
5,575
446

-98% 24.99€ 0.65€

6. SteamWorld Quest: Hand of Gilgamech

Similarity 51% Lead a party of aspiring heroes through a beautifully hand-drawn world and intense battles using only your wits and a handful of cards. Take on whatever threat comes your way by crafting your own deck choosing from over 100 unique punch-cards! SteamWorld Quest: Hand of Gilgamech is a card battler, turn-based and card game game developed by Image & Form Games and published by Thunderful Publishing. Released on May 31st 2019 has received 2,059 reviews of which 1,787 were positive and 272 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Theseus Protocol.
8.3
1,787
272

-98% 24.99€ 0.62€

7. Roguebook

Similarity 47% Embrace the challenge of a roguelike deckbuilder with unique mechanics from the developers of Faeria and Richard Garfield, creator of Magic: The Gathering™. Build a team of two heroes, unleash powerful combos and defeat the legends of the Roguebook! Roguebook is a rpg, indie and card game game developed by Abrakam Entertainment SA and published by Nacon. Released on June 17th 2021 has received 3,856 reviews of which 3,231 were positive and 625 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Theseus Protocol.
8.1
3,231
625

-98% 24.99€ 0.57€

8. Banners of Ruin

Similarity 71% Assemble your party. Answer the call. Win the war. Build a deck and fight a series of turn-based combats with up to 6 party characters through the city of Dawn's Point. Each character can unlock a set of unique cards and abilities that can augment your deck in powerful, exciting ways. Banners of Ruin is a roguelike deckbuilder, rogue-like and card battler game developed by MonteBearo and published by Goblinz Publishing and Maple Whispering Limited. Released on July 29th 2021 has received 3,053 reviews of which 2,421 were positive and 632 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Theseus Protocol.
7.7
2,421
632

-98% 17.99€ 0.45€

9. Super Bullet Break

Similarity 52% Save the world of online multiplayer games from a rogue AI in this deck-building strategy roguelite! Collect more than 160 cute and colourful Bullets as you move through maps based on iconic game genres and defeat enemies in challenging turn-based combat. Super Bullet Break is a anime, turn-based tactics and card battler game developed by BeXide Inc. and published by PQube. Released on August 12th 2022 has received 398 reviews of which 322 were positive and 76 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Theseus Protocol.
7.6
322
76

-98% 19.99€ 0.59€

10. Deck of Ashes

Similarity 52% Deck of Ashes is an adventure game with tactical card combat. One character at a time, lead the cast of antiheroes on a quest for redemption. Explore the cursed fantasy world and hunt down powerful cards. Forge a unique Battle Deck, and crush your foes! Can you rid the world of the Ash Curse? Deck of Ashes is a card battler, rpg and indie game developed by AYGames and published by ESDigital Games. Released on June 09th 2020 has received 1,047 reviews of which 756 were positive and 291 were negative resulting in a rating of 7.0 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Theseus Protocol.
7.0
756
291

-98% 19.99€ 0.56€

Free games like Theseus Protocol on Steam

Check out this fantastic list of free-to-play games like Theseus Protocol you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Theseus Protocol.

1. Shadowverse CCG

Similarity 48% Four million battles every day. One Shadowverse. Japan's #1 strategic card game. Made by card gamers for card gamers. Shadowverse CCG is a free to play, card battler and trading card game game developed by Cygames and Inc. and published by Cygames, Inc. and Cygames Korea Inc.. Released on October 27th 2016 has received 14,714 reviews of which 10,839 were positive and 3,875 were negative resulting in a rating of 7.2 out of 10. With 711 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Theseus Protocol.
7.2
10,839
3,875

711
players

2. Morimens

Similarity 47% Morimens is a roguelite card-building game inspired by the Cthulhu mythos, where you craft a versatile and intricate deck tailored to your playstyle. The choice is yours to embark on a climb up treacherous towers or engage in tactical battles. Explore misty maps and uncover the truth of the world. Morimens is a free to play, strategy and lovecraftian game developed and published by B.I.A.V. Studio. Released on August 01st 2024 has received 1,959 reviews of which 1,544 were positive and 415 were negative resulting in a rating of 7.6 out of 10. Thanks to its free to play tag and a daily player base of 249, this game has secured the #2 spot in the ranking of free games like Theseus Protocol.
7.6
1,544
415

249
players

3. 火焰征程

Similarity 41% A classic turn-based strategy card game that allows players to collect various creature cards and skill cards through quests, upgrades, and trading. Players can select their favorite cards to craft a unique deck for battles, immersing themselves in the excitement of strategic gameplay! 火焰征程 is a trading card game, deckbuilding and strategy game developed and published by Starlight Games. Released on October 25th 2023 has received 785 reviews of which 535 were positive and 250 were negative resulting in a rating of 6.6 out of 10. Thanks to its free to play tag and a daily player base of 164, this game has secured the #3 spot in the ranking of free games like Theseus Protocol.
6.6
535
250

164
players

4. Warhammer The Horus Heresy: Legions

Similarity 41% A card battler based in the rich universe of the Horus Heresy, the origin story of Warhammer 40,000. Play through epic single-player campaigns, take part in draft tournaments based on famous battles, or build your own unstoppable deck and compete in fast and epic duels against players worldwide. Warhammer The Horus Heresy: Legions is a deckbuilding, card game and free to play game developed and published by Everguild Ltd.. Released on March 28th 2019 has received 2,917 reviews of which 1,815 were positive and 1,102 were negative resulting in a rating of 6.1 out of 10. Attracting a solid base of 128 players due to its free access, this strategy game has achieved the #4 position in the best free games like Theseus Protocol.
6.1
1,815
1,102

128
players

5. Kings Call

Similarity 42% Collect an array of creature and skill cards through quests, upgrades and trading, and craft your ultimate deck by choosing your favorite cards and prepare for epic battles. Dive into the exhilaration of strategic gameplay and let your inner tactician shine to outsmart your opponents! Kings Call is a trading card game, deckbuilding and pvp game developed and published by Starlight Games. Released on December 25th 2023 has received 468 reviews of which 308 were positive and 160 were negative resulting in a rating of 6.3 out of 10. Attracting a solid base of 127 players due to its free access, this strategy game has achieved the #5 position in the best free games like Theseus Protocol.
6.3
308
160

127
players

6. Eternal Card Game

Similarity 47% Six-guns and sorcery collide in Eternal, the new strategy card game of unlimited choices and unbelievable fun. Eternal brings AAA pace and polish to the infinite possibilities of a deep strategy card game. The only limits are your own creativity. Eternal Card Game is a free to play, card game and card battler game developed and published by Dire Wolf. Released on November 15th 2018 has received 6,953 reviews of which 5,384 were positive and 1,569 were negative resulting in a rating of 7.6 out of 10. Attracting a solid base of 107 players due to its free access, this strategy game has achieved the #6 position in the best free games like Theseus Protocol.
7.6
5,384
1,569

107
players

7. 月圆之夜 (Night of Full Moon)

Similarity 43% "Night of the Full Moon" is a stand-alone roguelike card game. Take adventure into Black Forest. Random event, random plot leads to different endings. 月圆之夜 (Night of Full Moon) is a card game, free to play and strategy game developed and published by Giant Games. Released on July 25th 2019 has received 10,432 reviews of which 8,648 were positive and 1,784 were negative resulting in a rating of 8.1 out of 10. Attracting a solid base of 101 players due to its free access, this strategy game has achieved the #7 position in the best free games like Theseus Protocol.
8.1
8,648
1,784

101
players

8. Star Realms

Similarity 49% Star Realms is a hugely popular space combat deckbuilding game. Download and play today (note: base set is required to play online) to find out why Star Realms is the winner of SXSW 2014 Board Game of the Year, 7 Golden Geek Awards from BoardGameGeek, and 2 Dice Tower awards! Star Realms is a deckbuilding, strategy and card battler game developed and published by Wise Wizard Games and LLC. Released on March 08th 2016 has received 2,069 reviews of which 1,793 were positive and 276 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #8 spot among the most played free games like Theseus Protocol.
8.3
1,793
276

53
players

9. 召唤之王 (Supreme Summoner)

Similarity 41% ‘Supreme Summoner’ is a turn-based strategy chess game. Taking the imaginative Romance of the Three Kingdoms as its theme, it innovatively blends elements of gods, demons, and mystical creatures, making each faction and character's attributes even more prominent. 召唤之王 (Supreme Summoner) is a casual, online co-op and roguelike deckbuilder game developed and published by CoolStar Games. Released on July 24th 2023 has received 2,079 reviews of which 1,940 were positive and 139 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #9 spot among the most played free games like Theseus Protocol.
8.9
1,940
139

22
players

10. Call of Clans

Similarity 43% Call of Clans is an online turn-based strategy card game set in a magical world. Build a versatile deck with minion and skill cards to challenge equally matched opponents in a world of swords and magic. Team up with others to conquer challenging co-op dungeons Call of Clans is a trading card game, deckbuilding and pvp game developed and published by Call of Clans. Released on April 07th 2025 has received 486 reviews of which 423 were positive and 63 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #10 spot among the most played free games like Theseus Protocol.
8.1
423
63

20
players