Single-player games like Gate Guardian
Below are 8 single-player Steam games similar to Gate Guardian, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Gate Guardian page.
Ranked picks
- 1

Heretic's Fork
Single-player alternative to Gate Guardian — playable solo, no multiplayer required. Shares Strategy with Gate Guardian.
Dear candidate, we are pleased to invite you to take up the position of manager of Hell. You will punish sinners by using our deck-building computer system to construct hellish towers capable of keeping the endless hordes of the underworld in check. Best of luck!
- 2

Magicraft
Single-player alternative to Gate Guardian — playable solo, no multiplayer required. Shares Indie and RPG with Gate Guardian.
"Magicraft" is a Roguelike game that uses a variety of spells to match unimaginable spell effects, and the construction of ultra-high degrees of freedom cannot even be exhausted by developers.
- 3

スペルトナエル
Single-player alternative to Gate Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Gate Guardian.
Strategic roguelike in which you physically move around the on-screen keyboard and continue to cast magic spells while avoiding a barrage of bullets
- 4

Loop Hero
Single-player alternative to Gate Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Gate Guardian.
The Lich has thrown the world into a timeless loop and plunged its inhabitants into never ending chaos. Wield an expanding deck of mystical cards to place enemies, buildings, and terrain along each unique expedition loop for the brave hero.
- 5

FatSheep Crisis
Single-player alternative to Gate Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Gate Guardian.
Fat Sheep Town has monsters! Use skills to defeat them. Plugins help warriors survive. Many maps have risks and rewards. Pick an occupation and weapons. Level up weapons. Combine skills, plugins and weapons. Defeat the villain!
- 6

Necrosmith
Single-player alternative to Gate Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Gate Guardian.
A necromancer simulator. Assemble the dead using different body parts while upgrading your tower, combine the abilities of the different fantastic races to fight your way through the hordes of enemies and overrun the ’chosen ones’. To tell the truth, the dead are pretty, uhm, dumb.
- 7

FORCED SHOWDOWN
Single-player alternative to Gate Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Gate Guardian.
Deckbuilding empowers this challenging bullet hell adventure! Each character is a unique experience: Choose a deck of unlockable cards to boost you in new ways every battle - "My whirlwind shoots fireballs!?". Battle hordes of brutal foes to become a superstar in C-SAR’s ever-changing game show.
- 8

Black Book
Single-player alternative to Gate Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Gate Guardian.
“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.