Single-player games like System Shock® 2 (1999)
Below are 18 single-player Steam games similar to System Shock® 2 (1999), 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 (1999) page.
Ranked picks
- 1

System Shock
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action with System Shock® 2 (1999).
A first-person fight to the death in the depths of space!
- 2

Deus Ex: Game of the Year Edition
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action with System Shock® 2 (1999).
The year is 2052 and the world is a dangerous and chaotic place. Terrorists operate openly - killing thousands; drugs, disease and pollution kill even more. The world's economies are close to collapse and the gap between the insanely wealthy and the desperately poor grows ever wider.
- 3

System Shock 2: 25th Anniversary Remaster
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action and RPG with System Shock® 2 (1999).
System Shock® 2: 25th Anniversary Remaster is a genre defining experience that established innovative game-play mechanics that are a staple of the FPS and RPG genre today. Survive the wretched corridors of the Von Braun. Your training has prepared you for this.
- 4

Deus Ex: Human Revolution - Director's Cut
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action and RPG with System Shock® 2 (1999).
You play Adam Jensen, an ex-SWAT specialist who's been handpicked to oversee the defensive needs of one of America's most experimental biotechnology firms. Your job is to safeguard company secrets, but when a black ops team breaks in and kills the very scientists you were hired to protect, everything you thought you knew about your job...
- 5

Deus Ex: Mankind Divided
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action and RPG with System Shock® 2 (1999).
You play as Adam Jensen, an experienced covert operative operating in a world that despises his kind: augmented humans. Choose from an arsenal of state-of-the-art weapons and augmentations to build your playstyle, and decide who you'll trust, to unravel a vast worldwide conspiracy.
- 6

Prey
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action with System Shock® 2 (1999).
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.
- 7
E.Y.E: Divine Cybermancy
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action and RPG with System Shock® 2 (1999).
In a dark Cyberpunk world, you (and up to 3 friends) wage war against the all-powerful Federation in this Source-powered FPS/RPG.
- 8

TRON 2.0
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action with System Shock® 2 (1999).
Over 35 levels of challenging gameplay -- Race at the speed of light, fight off computer Viruses and engage in violent digital combat.
- 9

Resident Evil 4
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action with System Shock® 2 (1999).
Survival is just the beginning. Six years have passed since the biological disaster in Raccoon City. Leon S. Kennedy, one of the survivors, tracks the president's kidnapped daughter to a secluded European village, where there is something terribly wrong with the locals.
- 10

Quake II
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action with System Shock® 2 (1999).
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.
- 11

BioShock™
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action and RPG with System Shock® 2 (1999).
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.
- 12

The Elder Scrolls III: Morrowind® Game of the Year Edition
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares RPG with System Shock® 2 (1999).
The Elder Scrolls III: Morrowind® Game of the Year Edition includes Morrowind plus all of the content from the Bloodmoon and Tribunal expansions. The original Mod Construction Set is not included in this package. An epic, open-ended single-player RPG, Morrowind allows you to create and play any kind of character imaginable.
- 13

DOOM + DOOM II
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action with System Shock® 2 (1999).
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.
- 14

Quake
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action with System Shock® 2 (1999).
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.
- 15

DOOM 64
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action with System Shock® 2 (1999).
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 (1999) — playable solo, no multiplayer required. Shares Action with System Shock® 2 (1999).
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 (1999) — playable solo, no multiplayer required. Shares Action with System Shock® 2 (1999).
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.
- 18

Turok 2: Seeds of Evil
Single-player alternative to System Shock® 2 (1999) — playable solo, no multiplayer required. Shares Action with System Shock® 2 (1999).
Having defeated the Campaigner, Turok throws the Chronocepter into a waiting volcano to destroy it. Unfortunately the blast awakens an even deadlier force - The Primagen. Once again a Turok is tasked with restoring peace to the land and stopping the Primagen from merging Earth with the nether world.