Single-player games like Colony City 27λ
Below are 9 single-player Steam games similar to Colony City 27λ, 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 Colony City 27λ page.
Ranked picks
- 1

Dead-End City Blues OD Edition
Single-player alternative to Colony City 27λ — playable solo, no multiplayer required. Shares Indie with Colony City 27λ.
In the slums of a futuristic city, a girl sets out to track down the drug that has taken it over. Strengthen your deck and defeat your foes in this card battling RPG.
- 2

Lost Chapter
Single-player alternative to Colony City 27λ — playable solo, no multiplayer required. Shares Indie and RPG with Colony City 27λ.
In the abyss, she is awakened by the cold. She has nothing to hold on to, as everything is left in the darkness. The girl moves on with a little light, and leaves all the choices to you. Guide her and find her lost self.
- 3

Half-Demon Shinobi
Single-player alternative to Colony City 27λ — playable solo, no multiplayer required. Shares Indie with Colony City 27λ.
Guide Manari the Anti-Demon Ninja in her journey to eliminate the demon terror she battles her own inner demons in this lewd rogue-lite deck-building adventure game!
- 4

LUNA
Single-player alternative to Colony City 27λ — playable solo, no multiplayer required. Shares Adventure and RPG with Colony City 27λ.
In a world corrupted by superpowers, powerful enemies have plunged society into chaos. Can Luna, through her mysterious superpower, defeat the nearly invincible enigmatic women and bring peace?
- 5

X-Angels
Single-player alternative to Colony City 27λ — playable solo, no multiplayer required. Shares Indie and Adventure with Colony City 27λ.
Use the power of your virginity to defeat and humiliate the corrupt Angels in this rogue-lite card battle thriller!
- 6

Third Crisis
Single-player alternative to Colony City 27λ — playable solo, no multiplayer required. Shares Indie and Adventure with Colony City 27λ.
Fight or fuck your way through the story. Choose friend or foe from the diverse cast. Stay pure or stray to the perverse. Explore Carceburgs town and conquer the wilderness. Outplay your opponents and get what you came here for.
- 7

Take Me To The Dungeon!!
Single-player alternative to Colony City 27λ — playable solo, no multiplayer required. Shares Indie and Adventure with Colony City 27λ.
Explore the depths of this massive dungeon with your adorable companion Una in this exciting R-18 deck-building adventure!
- 8

Tamer Vale
Single-player alternative to Colony City 27λ — playable solo, no multiplayer required. Shares Indie and Adventure with Colony City 27λ.
Tamer Vale is a turn based card battler, where a collective of Elven heroines, known as Tamers, journey forth beyond the safety of their hidden valley to find and confront the sources of corruption in the land, and bring balance to it using their special rituals!
- 9

Slay the Spire
Single-player alternative to Colony City 27λ — playable solo, no multiplayer required. Shares Indie with Colony City 27λ.
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!