Single-player games like Terrorform
Below are 8 single-player Steam games similar to Terrorform, 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 Terrorform page.
Ranked picks
- 1
CARNAGE OFFERING
Single-player alternative to Terrorform — playable solo, no multiplayer required. Shares Action with Terrorform.
Ultra fast-paced sci-fi FPS where you battle waves of robots and genetically engineered creatures. Upgrade your arsenal, unleash explosive physics, and survive relentless combat.
- 2
DOOM II
Single-player alternative to Terrorform — playable solo, no multiplayer required. Shares Action with Terrorform.
Hell has invaded Earth, and to save it, you must battle mightier demons with even more powerful weapons. This beloved sequel to the groundbreaking DOOM (1993) introduced players to the brutal Super Shotgun, the infamous Icon of Sin boss, and more intense FPS action.
- 3
Warhammer 40,000: Boltgun
Single-player alternative to Terrorform — playable solo, no multiplayer required. Shares Action with Terrorform.
Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.
- 4
DOOM Eternal
Single-player alternative to Terrorform — playable solo, no multiplayer required. Shares Action with Terrorform.
Hell’s armies have invaded Earth. Become the Slayer in an epic single-player campaign to conquer demons across dimensions and stop the final destruction of humanity. The only thing they fear... is you.
- 5
Hard Reset Extended Edition
Single-player alternative to Terrorform — playable solo, no multiplayer required. Shares Action with Terrorform.
Over-the-top destruction, loads of enemies & a beautifully realized cyberpunk setting. Hard Reset is here to shake up the shooter scene. Try the demo now.
- 6
Painkiller
Single-player alternative to Terrorform — playable solo, no multiplayer required. Shares Action with Terrorform.
The classic Painkiller series is back! Battle through Purgatory in fast-paced co-op action, wielding infernal weapons against relentless demonic hordes. Condemned for your sins, the Voice of the Creator offers you a chance at redemption. Will you seize it or be lost to darkness?
- 7
WRATH: Aeon of Ruin
Single-player alternative to Terrorform — playable solo, no multiplayer required. Shares Action with Terrorform.
Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.
- 8
G String
Single-player alternative to Terrorform — playable solo, no multiplayer required. Shares Action with Terrorform.
Slip into the Standard Issue Biosuit as Myo Hyori, a gifted Korean teenage girl who must face the perils of the future. Survive many hazards, explore a seemingly endless metropolis and beyond as the world around you implodes and history marches towards its inevitable conclusion.