Single-player games like Yrminsul
Below are 11 single-player Steam games similar to Yrminsul, 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 Yrminsul page.
Ranked picks
- 1

Anomaly Defenders
Single-player alternative to Yrminsul — playable solo, no multiplayer required. Shares Strategy and Indie with Yrminsul.
Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat.
- 2

Tower Wars
Single-player alternative to Yrminsul — playable solo, no multiplayer required. Shares Strategy and Indie with Yrminsul.
Tower Wars combines elements of tower defense, RTS, and all-out multi-player mayhem to bring you a completely unique experience, delivered with a fun and funny not-so-old world style!
- 3

Sol Survivor
Single-player alternative to Yrminsul — playable solo, no multiplayer required. Shares Strategy and Indie with Yrminsul.
Jump in to intense turret defense action with Sol Survivor! Build turrets to defend your colony and the innocent colonists within. Smash enemies with volleys of actively-controlled orbital support. Play with friends in co-operative and competitive multiplayer matches or test your mettle against our new Survival mode!
- 4

Orcs Must Die!
Single-player alternative to Yrminsul — playable solo, no multiplayer required. Shares Strategy and Indie with Yrminsul.
Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.
- 5

Prime World: Defenders
Single-player alternative to Yrminsul — playable solo, no multiplayer required. Shares Strategy and Indie with Yrminsul.
Fight off hordes of monstrous mutants created from a strange cataclysmic event in the new tower defense game, Prime World: Defenders. Join a group of exile treasure hunters who have ventured into the capital of an ancient empire, vast with mystery and danger.
- 6

Siege of Centauri
Single-player alternative to Yrminsul — playable solo, no multiplayer required. Shares Strategy and Indie with Yrminsul.
Defend against thousands of enemies in this explosive tower defense game. Deploy upgradable towers and unleash powerful orbital abilities as you try to protect Earth's first colony world from destruction.
- 7

Infested Planet
Single-player alternative to Yrminsul — playable solo, no multiplayer required. Shares Strategy and Indie with Yrminsul.
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.
- 8

Cubemen
Single-player alternative to Yrminsul — playable solo, no multiplayer required. Shares Strategy and Indie with Yrminsul.
Just Updated! Version 1.1 now has 6 New online Mayhem levels, Character Customization, 35 Defense levels, 25 Skirmish levels, and more!
- 9

Fear Therapy
Single-player alternative to Yrminsul — playable solo, no multiplayer required. Shares Indie with Yrminsul.
Fear Therapy, is a multiplayer(1-4) and single player psychological horror game.Try to complete the quests and leave the horror house before it is too late! Satan getting angrier every second and nothing holding it back.
- 10

THE IMPOSTOR
Single-player alternative to Yrminsul — playable solo, no multiplayer required. Shares Indie with Yrminsul.
The Impostor doesn't just steal your appearance... it steals your voice. Complete objectives, craft Anti-Virus bullets, and uncover the Impostor in a facility with millions of possible map layouts. Kill the virus before it kills you. Single-player and multiplayer psychological horror.
- 11

MUSIC BAND SIMULATOR:TOGETHER
Single-player alternative to Yrminsul — playable solo, no multiplayer required.
Form a band with friends and play any song freely on realistic instruments! Gain fame, grow your fanbase, and rise from garage jams to massive stadium shows.