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

Arcane Array Arena
Single-player alternative to Gate Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Gate Guardian.
Arcane Array Arena is a shooting auto-battler game that "Combines Offense and Defense". You summon items in a magic circle and shoot them against your opponent! Create your own unique item builds, compose the most powerful deployment, and defeat your opponents!
- 2

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!
- 3

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.
- 4

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
- 5

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.
- 6

Castle Warriors
Single-player alternative to Gate Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Gate Guardian.
Castle Warriors is a rogue like auto battler with a strategy twist. Build your army one card at a time!
- 7

Knight Overloaded
Single-player alternative to Gate Guardian — playable solo, no multiplayer required. Shares Indie with Gate Guardian.
Knight Overloaded is a roguelight survival game that reinforced strategic choices. Beat enemies falling from the sky endlessly, and expand your inventory!
- 8

Emberward
Single-player alternative to Gate Guardian — playable solo, no multiplayer required. Shares Strategy and Indie with Gate Guardian.
Build twisting mazes with tetromino blocks and deploy unique towers in this strategic roguelite tower defense adventure!