Single-player games like Catalyst: From The Stars
Below are 8 single-player Steam games similar to Catalyst: From The Stars, 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 Catalyst: From The Stars page.
Ranked picks
- 1
Core Break
Single-player alternative to Catalyst: From The Stars — playable solo, no multiplayer required. Shares Action with Catalyst: From The Stars.
Explore an abandoned space station in this top-down action-adventure. Customize your weapons, face hostile threats, and extract AI cores to uncover hidden secrets. Survival is key as you navigate the station's unpredictable dangers, guided remotely by your operator, Pryce.
- 2
TERRORSTORM: Ground Zero
Single-player alternative to Catalyst: From The Stars — playable solo, no multiplayer required. Shares Action and Adventure with Catalyst: From The Stars.
TERRORSTORM is a single-player FPS action-horror game with Soulslike-inspired combat. Survive brutal, high-stakes encounters against dangerous and terrifying foes, uncover dark secrets and bring down horrific underground crime ring. Resident Evil tension meets Dark Souls punishment.
- 3
Boom 2020
Single-player alternative to Catalyst: From The Stars — playable solo, no multiplayer required. Shares Action and Adventure with Catalyst: From The Stars.
A game to test your true ability in FPS shooters. Boom2020 take Revenge on the killers of your love Mona in a fast paced deathly shooter.
- 4
Legacy of Mind
Single-player alternative to Catalyst: From The Stars — playable solo, no multiplayer required. Shares Action and Adventure with Catalyst: From The Stars.
Legacy of Mind is the first gothic soulslike FPS where nightmares and reality have merged. Face colossal Monarchs that rule over the broken world twisted by living nightmares and unlock otherworldy powers hidden within your mind, but with every power unlocked, something in the dark wakes with you...
- 5
Dungeon Nights
Single-player alternative to Catalyst: From The Stars — playable solo, no multiplayer required. Shares Action and Adventure with Catalyst: From The Stars.
The Player has to fight and defeat the Dark Lord's army in order to save the world. This is a Action Game where objective is to defeat the Dark Lord within 100 nights.
- 6
DERELIKT
Single-player alternative to Catalyst: From The Stars — playable solo, no multiplayer required. Shares Action and Adventure with Catalyst: From The Stars.
DERELIKT is a narrative retro FPS built for fans of claustrophobic PS1-era sci-fi horror.
- 7
MechWarrior 5: Mercenaries
Single-player alternative to Catalyst: From The Stars — playable solo, no multiplayer required. Shares Action with Catalyst: From The Stars.
The year is 3015. The battlefields are dominated by war machines known as BattleMechs. Level entire cities and decimate the enemy in your BattleMech. Follow a quest for glory and revenge. Manage an expanding mercenary company. Fight alongside your friends with a four-player PvE co-op.
- 8
Twilight Town: A Cyberpunk FPS
Single-player alternative to Catalyst: From The Stars — playable solo, no multiplayer required. Shares Action with Catalyst: From The Stars.
Twilight Town: A Cyberpunk FPS is a brutal, funny, bloody FPS game with an advanced gore system. Featuring 15 beautiful levels, a variety of weapons and a deeply engaging story that follows the journey of a young man and his friend tackling on a criminal underground to give his AI wife a real body.