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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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.
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!
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!
Sunset Routes
Sunset Routes is an easy and intriguing roguelite game. You can choose your crew, put them in the cabins, select your destination, and set sail. Through a series of choices, you can earn profits during the emergency period of the New World and even decide its fate—unintentionally or on purpose.
Tower Tactics: Liberation
We fused deck-building roguelikes and tower defenses in a way never seen before - deploy your towers, collect valuable trinkets and cast powerful spells to defend yourself against the Salkoth!
Railroads & Catacombs
In this exciting Card Building Roguelike game you create your cards from scratch adding different upgrades. Build your train, explore this mad land and face fearsome bosses. Discover infinite synergies. How far will you go?
Shadowhand: RPG Card Game
Shadowhand is a strategic RPG card game. Duel powerful enemies in 18th Century England with unique solitaire-style turn-based combat. Equip your character strategically to sneak, slice and blast through foes!
Yohane the Parhelion - NUMAZU in the MIRAGE -
Yohane the Parhelion is an official spin-off of "Love Live! Sunshine". 『Yohane the Parhelion - NUMAZU in the MIRAGE -』 is a deckbuilding roguelite set in that world! A mysterious mirror world that changes each time it's entered. After countless choices, Yohane chooses...
NEOVERSE
Neoverse is a beautiful, fantastic game consisting of adventures with thrilling challenges. It is a strategic, action, rogue-lite, deck building game that will test the player’s skill. Start an adventure with unique heroes to save the world along various timelines.
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!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 April 30th 2025.
1. Balatro
Similarity 51% 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 145,148 reviews of which 142,287 were positive and 2,861 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 16,423 peak concurrent players over the last day.
9.7
142,287
2,861
16,423
players
2. Slay the Spire
Similarity 51% 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 179,761 reviews of which 175,822 were positive and 3,939 were negative resulting in an impressive rating of 9.7 out of 10. While seeing 7,834 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
175,822
3,939
7,834
players
3. Library Of Ruina
Similarity 53% "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 difficult game developed and published by ProjectMoon. Released on August 10th 2021 has received 33,856 reviews of which 31,847 were positive and 2,009 were negative resulting in an impressive rating of 9.2 out of 10. While seeing 703 players online at once in the last 24 hours, this game is currently ranked #3 among games like Theseus Protocol based on player count.
9.2
31,847
2,009
703
players
4. Monster Train
Similarity 57% 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 21,659 reviews of which 20,799 were positive and 860 were negative resulting in an impressive rating of 9.4 out of 10. With 525 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Theseus Protocol.
9.4
20,799
860
525
players
5. SpellRogue
Similarity 51% 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. SpellRogue is a deckbuilding, dice and roguelike deckbuilder game developed by Guidelight Games and published by Ghost Ship Publishing. Released on April 24th 2025 has received 1,037 reviews of which 904 were positive and 133 were negative resulting in a rating of 8.3 out of 10. With 520 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Theseus Protocol.
8.3
904
133
520
players
6. Across the Obelisk
Similarity 59% 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 11,738 reviews of which 9,633 were positive and 2,105 were negative resulting in a rating of 8.0 out of 10. With 504 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Theseus Protocol.
8.0
9,633
2,105
504
players
7. LONESTAR
Similarity 59% LONESTAR is a strategic Roguelike spaceship deckbuilder. As a bounty hunter, you will capture criminals scattered across the universe. Win the shockwave battle to gain rewards and vacations. Find treasures, customize spaceships, unlock talents, defeat the felons and be a legend! LONESTAR is a rogue-like, strategy and turn-based tactics game developed by Math Tide and published by Thermite Games. Released on April 03rd 2025 has received 1,829 reviews of which 1,683 were positive and 146 were negative resulting in a rating of 8.8 out of 10. With 209 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Theseus Protocol.
8.8
1,683
146
209
players
8. HELLCARD
Similarity 54% Hellcard is a unique cooperative deck builder rogue-like game. Descend into the paper dungeons on your own, recruit computer-controlled companions or join other players' lobbies in fast-paced tactical card battles against the armies of darkness and the Archdemon himself! HELLCARD is a co-op, rogue-like and card battler game developed by Thing Trunk and published by Skystone Games. Released on February 01st 2024 has received 3,800 reviews of which 3,261 were positive and 539 were negative resulting in a rating of 8.3 out of 10. With 173 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Theseus Protocol.
8.3
3,261
539
173
players
9. Die in the Dungeon
Similarity 61% 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 powerful dice on your board, boost their effects with magical relics, and risk it all hoping for a good roll on unexpected encounters. Die in the Dungeon is a early access, turn-based strategy and choices matter game developed by ATICO and published by HypeTrain Digital and INSTINCT3. Released on February 21st 2025 has received 1,724 reviews of which 1,569 were positive and 155 were negative resulting in a rating of 8.7 out of 10. With 154 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Theseus Protocol.
8.7
1,569
155
154
players
10. Shogun Showdown
Similarity 62% Shogun Showdown is a turn-based combat game with rogue-like and deck-building elements. Position yourself and attack at the right time, upgrade your tiles and combo them to get ready to face the Shogun! Shogun Showdown is a replay value, strategy rpg and turn-based game developed by Roboatino and published by Goblinz Publishing and Gamirror Games. Released on September 05th 2024 has received 4,775 reviews of which 4,571 were positive and 204 were negative resulting in an impressive rating of 9.2 out of 10. With 153 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Theseus Protocol.
9.2
4,571
204
153
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 April 30th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Theseus Protocol.
1. Zoeti
Similarity 66% 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 388 reviews of which 252 were positive and 136 were negative resulting in a rating of 6.3 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like Theseus Protocol.
6.3
252
136
-95%
20.00€
1.00€
2. Griftlands
Similarity 69% Griftlands is a deck-building roguelite where you negotiate, fight, steal or otherwise persuade others to get your way. Every decision is important, be it the jobs you take, the friends you make, or the cards you collect. Griftlands is a card battler, rogue-lite and deckbuilding game developed and published by Klei Entertainment. Released on June 01st 2021 has received 13,905 reviews of which 13,050 were positive and 855 were negative resulting in an impressive rating of 9.1 out of 10. Thanks to its incredible 94% discount, this game is now the #2 best deal in games like Theseus Protocol.
9.1
13,050
855
-94%
17.67€
1.06€
3. Astrea: Six-Sided Oracles
Similarity 59% Astrea is a DICE-deck-building roguelike that flips the script on deckbuilders by using dice instead of cards and a unique dual “damage” system: Purification vs Corruption. Build a dice pool strong enough to purify Astrea's out-of-control corruption and save the Star System. Astrea: Six-Sided Oracles is a dice, roguelike deckbuilder and card battler game developed by Little Leo Games and published by Akupara Games. Released on September 21st 2023 has received 4,068 reviews of which 3,734 were positive and 334 were negative resulting in a rating of 8.8 out of 10. Thanks to its incredible 94% discount, this game is now the #3 best deal in games like Theseus Protocol.
8.8
3,734
334
-94%
22.83€
1.37€
4. Castle Morihisa
Similarity 59% "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. Castle Morihisa is a roguelike deckbuilder, card battler and dungeon crawler game developed by SmokingBear Studio and published by Thermite Games. Released on February 10th 2022 has received 417 reviews of which 283 were positive and 134 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 85% discount, this title has earned the #4 position in the best deals for games like Theseus Protocol.
6.5
283
134
-85%
12.49€
1.87€
5. Across the Obelisk
Similarity 59% 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 11,738 reviews of which 9,633 were positive and 2,105 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 82% discount, this title has earned the #5 position in the best deals for games like Theseus Protocol.
8.0
9,633
2,105
-82%
19.67€
3.54€
6. Hadean Tactics
Similarity 60% Hadean Tactics is a roguelike deckbuilding game fused with autobattler elements to create a unique strategy experience. Use your cards to influence the actions of your units and help your Hero defeat the Six Wings of Hell! Hadean Tactics is a roguelike deckbuilder, auto battler and card battler game developed and published by Emberfish Games. Released on August 24th 2023 has received 1,741 reviews of which 1,565 were positive and 176 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 81% discount, this title has earned the #6 position in the best deals for games like Theseus Protocol.
8.6
1,565
176
-81%
19.05€
3.62€
7. Blood Card
Similarity 51% This card game combines elements of roguelike and deckbuilding. During the game, you shall strive ahead, gathering cards to build a unique deck and use it to defeat the enemies getting in your way. You will have to choose between escaping or try to defeat Death, who is relentlessly pursuing you. Blood Card is a card battler, roguelike deckbuilder and card game game developed and published by Pixel Cattle Games. Released on May 24th 2019 has received 706 reviews of which 573 were positive and 133 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 80% discount, this title has earned the #7 position in the best deals for games like Theseus Protocol.
7.7
573
133
-80%
12.49€
2.49€
8. Trials of Fire
Similarity 70% A Tactical, Deck-Building Roguelite. Choose 3 Heroes and adventure into a post-Cataclysmic wasteland. Engage enemies in a unique meld of card-play and tactical, positional combat. Level up and scavenge what you can to customise your decks and build a party to take on any challenge! Trials of Fire is a card battler, turn-based tactics and tactical rpg game developed and published by Whatboy Games. Released on April 09th 2021 has received 3,155 reviews of which 2,725 were positive and 430 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 76% discount, this title has earned the #8 position in the best deals for games like Theseus Protocol.
8.3
2,725
430
-76%
17.08€
4.10€
9. Shadowhand: RPG Card Game
Similarity 50% Shadowhand is a strategic RPG card game. Duel powerful enemies in 18th Century England with unique solitaire-style turn-based combat. Equip your character strategically to sneak, slice and blast through foes! Shadowhand: RPG Card Game is a crpg, visual novel and character customization game developed by Grey Alien Games and published by Positech Games. Released on December 07th 2017 has received 811 reviews of which 667 were positive and 144 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 75% discount, this title has earned the #9 position in the best deals for games like Theseus Protocol.
7.8
667
144
-75%
16.49€
4.12€
10. Super Bullet Break
Similarity 65% 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 389 reviews of which 316 were positive and 73 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 75% discount, this title has earned the #10 position in the best deals for games like Theseus Protocol.
7.6
316
73
-75%
20.24€
5.06€
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 April 30th 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. 月圆之夜 (Night of Full Moon)
Similarity 52% "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 10,370 reviews of which 8,610 were positive and 1,760 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #1 spot among the most played free games like Theseus Protocol.
8.1
8,610
1,760
100
players
2. Die in the Dungeon: Origins
Similarity 51% 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! Die in the Dungeon: Origins is a roguelike deckbuilder, card game and deckbuilding game developed by ATICO and published by HypeTrain Digital. Released on December 01st 2023 has received 3,403 reviews of which 3,282 were positive and 121 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #2 spot among the most played free games like Theseus Protocol.
9.2
3,282
121
12
players
3. 攻城与召唤 Siege and Summons 【5分钟一局 策略竞技 】
Similarity 52% Siege and Summon is an online turn-based competitive card game set in the Three Kingdoms era. Players can use soldier cards and skill cards to build a deck of cards to challenge powerful players in the world of the tk. NPCs can also fight against other players and form teams to challenge dungeons. 攻城与召唤 Siege and Summons 【5分钟一局 策略竞技 】 is a multiplayer, historical and alternate history game developed and published by Siege and Summons. Released on May 17th 2024 has received 1,072 reviews of which 1,024 were positive and 48 were negative resulting in an impressive rating of 9 out of 10. The game currently holds the #3 spot among the most played free games like Theseus Protocol.
9
1,024
48
2
players