Single-player games like System Shock 2: 25th Anniversary Remaster
Below are 17 single-player Steam games similar to System Shock 2: 25th Anniversary Remaster, 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 System Shock 2: 25th Anniversary Remaster page.
Ranked picks
- 1
System Shock
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action and Adventure with System Shock 2: 25th Anniversary Remaster.
A first-person fight to the death in the depths of space!
- 2
System Shock® 2 (1999)
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action and RPG with System Shock 2: 25th Anniversary Remaster.
"Remember, it is my will that guided you here. It is my will that gave you your cybernetic implants, the only beauty in that meat you call a body. If you value that meat... you will do as I tell you." The cult classic sci-fi horror FPS-RPG has returned.
- 3
SurvivalEXtreme
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action and RPG with System Shock 2: 25th Anniversary Remaster.
Enter a world devastated by the 2050 apocalypse. Fifty years later, humanity has returned… The war to reclaim Earth has begun, and only the bravest will be able to face the demons that now rule it. The world has fallen. Now it's your turn to rise.
- 4
Black Ice
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action and RPG with System Shock 2: 25th Anniversary Remaster.
Hack greedy megacorps to help as many people as you can in a high-agility cyberpunk looter/shooter RPG. Explore neon cyberspace vistas and outmaneuver AIs to customize your hacker OS and weapon combos. Play solo or online co-op with up to 10 people!
- 5
Squirrelmageddon!
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action and RPG with System Shock 2: 25th Anniversary Remaster.
It was inevitable... killer mutant squirrels have taken over the planet in this scrappy, solo-developed one-of-a-kind high score TPS/FPS shooter. You will laugh. You will cry. You will die by the squirrel!
- 6
E.Y.E: Divine Cybermancy
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action and RPG with System Shock 2: 25th Anniversary Remaster.
In a dark Cyberpunk world, you (and up to 3 friends) wage war against the all-powerful Federation in this Source-powered FPS/RPG.
- 7
Zombie Assault: Resurgence
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action and RPG with System Shock 2: 25th Anniversary Remaster.
Zombie Assault: Resurgence is an intense, action packed top-down shooter, featuring deep RPG elements. Customise your loadout with unique upgradeable weapons as you gear up to take on hordes of enemies. Play solo or team up in co-op with up to 4 players.
- 8
Borderlands 4
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action and Adventure with System Shock 2: 25th Anniversary Remaster.
Borderlands 4 is a mayhem-fueled looter shooter, jam-packed with billions of weapons, deadly enemies, and intense co-op action. Break free from a dangerous hidden planet as one of four new badass Vault Hunters.
- 9
Thief
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action and Adventure with System Shock 2: 25th Anniversary Remaster.
Garrett, the Master Thief, steps out of the shadows into the City. In this treacherous place, where the Baron’s Watch spreads a rising tide of fear and oppression, his skills are the only things he can trust. Even the most cautious citizens and their best-guarded possessions are not safe from his reach.
- 10
BioShock™
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action and RPG with System Shock 2: 25th Anniversary Remaster.
BioShock is a shooter unlike any you've ever played, loaded with weapons and tactics never seen. You'll have a complete arsenal at your disposal from simple revolvers to grenade launchers and chemical throwers, but you'll also be forced to genetically modify your DNA to create an even more deadly weapon: you.
- 11
Prey
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action and Adventure with System Shock 2: 25th Anniversary Remaster.
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.
- 12
DOOM + DOOM II
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action with System Shock 2: 25th Anniversary Remaster.
Developed by id Software, and originally released in 1993 and 1994, the definitive, newly enhanced versions of DOOM + DOOM II are available as a combined product.
- 13
Quake
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action with System Shock 2: 25th Anniversary Remaster.
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
- 14
Quake II
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action with System Shock 2: 25th Anniversary Remaster.
You are humanity’s last hope to stop the Strogg, a hostile alien race waging war against Earth. Play this military sci-fi FPS, now upgraded for modern platforms with improved visuals, new campaign content, online multiplayer/co-op, and more.
- 15
DOOM 64
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action with System Shock 2: 25th Anniversary Remaster.
Play the enhanced version of the original game released on the Nintendo 64 in 1997. Years have passed since you stopped Hell’s invasion of Earth. Quarantined for humanity’s safety, the UAC research facilities on Mars were abandoned and forgotten...until now.
- 16
Blood™ Fresh Supply
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action with System Shock 2: 25th Anniversary Remaster.
Battle an army of sycophantic cultists, zombies, gargoyles, hellhounds, and an insatiable host of horrors in your quest to defeat the evil Tchernobog. Squirm through 42 loathesome levels filled with more atmosphere than a Lovecraftian mausoleum.
- 17
Turok
Single-player alternative to System Shock 2: 25th Anniversary Remaster — playable solo, no multiplayer required. Shares Action and Adventure with System Shock 2: 25th Anniversary Remaster.
A world where time has no meaning - and evil knows no bounds. Torn from a world long gone, the time traveling warrior Turok has found himself thrust into a savage land torn by conflict.