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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Dream Quest Play cards! Kill monsters! Level Up! Dream Quest is a roguelike deckbuilding game inspired by the likes of Ascension, Magic: the Gathering, and Shandalar. Explore randomly generated levels as one of 13 classes in short, 30 minute, sessions.

Similarity 66%
Price 9.99€
Rating 8.2
Release 08 Dec 2016
SpellRogue SpellRogue is the ultimate tactical turn-based roguelike! Draft from over 350 powerful spells to assemble the perfect combination and crush your enemies in 70+ unique encounters. Face brutal choices, adapt to impossible odds, and strike back at the horrors that destroyed the world.

Similarity 65%
Price -50% 9.99€
Rating 8.3
Release 24 Apr 2025
Yao-Guai Hunter Yao-Guai Hunter is a Wuxia roguelike deck-building game. In a world where Yao-Guai roam free, player battles with various evil beings, collecting cards and learn inner skills. Encountering various adventures in the martial world.

Similarity 65%
Price -78% 3.22€
Rating 8.0
Release 17 Apr 2025
Wildfrost Take on the elements in Wildfrost, a tactical roguelike deckbuilder! Journey across a frozen tundra, collecting cards strong enough to banish the eternal winter…

Similarity 65%
Price -67% 6.51€
Rating 8.0
Release 12 Apr 2023
Dicey Dungeons Become a giant walking dice, explore dungeons and defy Lady Luck in this dice powered roguelike! Now featuring "Reunion", a free DLC with six brand-new episodes!

Similarity 65%
Price -92% 1.19€
Rating 8.7
Release 13 Aug 2019
Phantom Rose 2 Sapphire Phantom Rose 2 is a roguelike deckbuilding game. Fight and collect powerful cards as Aria, trying to survive in her cherished school that’s being ravaged by evil creatures.

Similarity 64%
Price 19.50€
Rating 8.5
Release 29 Oct 2023
Menace from the Deep Menace from the Deep is an enthralling Roguelike Deckbuilding card game that unfolds in a dark world, drawing inspiration from Howard Lovecraft and the Cthulhu Mythos.Set against the backdrop of 1920s USA, the narrative revolves around a clandestine occult society.

Similarity 64%
Price -42% 9.71€
Rating 8.1
Release 11 Nov 2024
Zoeti 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.

Similarity 64%
Price -99% 0.36€
Rating 6.3
Release 20 Apr 2023
Die in the Dungeon: Origins Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!

Similarity 64%
Price Free to play
Rating 9.3
Release 01 Dec 2023
Death Roads: Tournament Combine deadly racing, deckbuilding, and roguelite style to get car battles unlike anything before! Choose a driver, car, weapons, and sponsors to overcome tactical encounters. Adapt to an ever-changing race to come out on top and earn entry into the last safe haven on the Divided States of America.

Similarity 63%
Price -95% 0.77€
Rating 7.8
Release 15 Nov 2023
Circadian Dice Circadian Dice is a game inspired by single-player deck-building games, but instead of upgrading a deck, you build up a set of dice! Use 10 different heroes and 60 game-warping relics to take on 13 hand-crafted scenarios, in runs that take 10-30 minutes. Lots of secrets and unlocks to discover!

Similarity 63%
Price 4.99€
Rating 8.8
Release 11 Jul 2022
Monster Monpiece Collect and train over 100 "monster girls" that come to life in strategic, card-based battles! Strengthen your cards with the First Crush ❤ Rub mode, taking on a hands-on role to warm them up and gain more artwork!

Similarity 62%
Price -92% 0.72€
Rating 6.8
Release 14 Mar 2017
Deck Hunter Deck Hunter is a roguelike card game. The World of Klanojh has been cursed by Glatta, the Goddess of Anger. Build your deck, make combos, defeat fantasy creatures and help Avery to face the evil and restore the balance!

Similarity 62%
Price 8.19€
Rating 6.7
Release 30 May 2019
Beneath Oresa 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.

Similarity 62%
Price -99% 0.35€
Rating 7.5
Release 27 Sep 2023
Cat God Ranch Lead hundreds of "wise" little animals to pay tribute to the Cat God!! 7 animal families, 100+ animals, 10+ Cat Gods, 100+ items, and various animal combinations waiting for you to explore!

Similarity 62%
Price -27% 7.12€
Rating 9.0
Release 12 Sep 2024
RUNGORE: Beginner Experience Card game mechanics - check. Real time battles - check. Silly humor - check. If this isn't the game of your dreams i don't know what is (Also we have hidden memes everywhere lol)

Similarity 62%
Price Free to play
Rating 8.6
Release 02 Sep 2022
Hand of Fate Deckbuilding comes to life in Hand of Fate! An infinitely replayable series of quests - earn new cards, build your deck, then try to defeat it! In a cabin at the end of the world, the game of life and death is played. Draw your cards, play your hand, and discover your fate.

Similarity 61%
Price -91% 1.98€
Rating 8.7
Release 17 Feb 2015
Cards of Cthulhu CARDS OF CTHULHU is the Roguelike Card RPG full of madness. Experience the unique combination of strategic deck-building with fast-paced combat and face-off parody monsters from horror B movies.

Similarity 61%
Price 0.99€
Rating 6.9
Release 11 Oct 2016
Monster Train 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.

Similarity 61%
Price -96% 1.19€
Rating 9.4
Release 21 May 2020
Inscryption 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...

Similarity 61%
Price -76% 4.92€
Rating 9.6
Release 19 Oct 2021
Solitairica Solitairica takes RPG combat and challenging roguelike progression to a fresh new place—the world of solitaire! Using a variety of magical items and powerful spells, battle your way through a horde of ever-changing enemies and defeat the horrible Emperor Stuck.

Similarity 60%
Price 9.99€
Rating 7.3
Release 31 May 2016
Yu-Gi-Oh! Legacy of the Duelist Relive past Dueling glory against Yu-Gi-Oh! characters from the past and present! Compete against other players online with your custom deck, then challenge them in Battle Pack Draft and Sealed Play!

Similarity 60%
Price -90% 2.12€
Rating 8.2
Release 07 Dec 2016
天外武林 (Traveler of Wuxia) Traveler of Wuxia is a deck-building rogue-lite game that mixes with Wuxia story and card combination. You will play as a young hero exploring to a unknown martial arts world. Use card combos to unleash powerful techniques and team up with companions to overcome the challenges of the martial world.

Similarity 60%
Price 24.50€
Rating 8.2
Release 05 Jan 2023
For The Warp A roguelike deckbuilding game in space! Explore randomly generated systems, enemies and strange encounters. Build your deck, survive and reach For The Warp gate!

Similarity 60%
Price 14.99€
Rating 6.9
Release 28 Mar 2022

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