Single-player games like ROOT
Below are 13 single-player Steam games similar to ROOT, 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 ROOT page.
Ranked picks
- 1

Oppcium
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Action and Indie with ROOT.
A sentient alien organism has escaped its cage and now freely roams a government facility. Silence has engulfed the city as a toxic and unidentified cloud was released from black oily stones. Witness and investigate a dire situation that appears to escalate by the hour.
- 2

Deus Ex: Mankind Divided
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Action with ROOT.
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.
- 3

Far Cry 3 - Blood Dragon
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Action with ROOT.
Far Cry® 3: Blood Dragon is THE Kick-Ass Cyber Shooter.Welcome to an 80’s vision of the future. The year is 2007 and you are Sargent Rex Colt, a Mark IV Cyber Commando. Your mission: get the girl, kill the baddies, and save the world.
- 4

Deus Ex: The Fall
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Action with ROOT.
Deus Ex: The Fall is set in 2027– a golden era for science, technology and human augmentation, but also a time of great social divide and global conspiracy. Powerful corporations have seized control from governments and command the drug supply needed by augmented humans to survive.
- 5

Acid Spy
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Action and Indie with ROOT.
Acid Spy is a first person stealth action game set in a cyberpunk universe. Infiltrate heavily guarded bases and take down your enemies with skill and finesse. Master the art of quick, deadly stealth to become the acid spy.
- 6

Deus Ex: Invisible War
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Action with ROOT.
Approximately 20 years after Deus Ex, the world is only beginning to recover from a catastrophic worldwide depression. In this techno-nightmare, take part in the dark struggle to raise the world from its own ashes.
- 7

Crysis
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Action with ROOT.
Adapt to Survive An epic story thrusts players into an ever-changing environment, forcing them to adapt their tactics and approach to conquer battlefields ranging from newly frozen jungle to zero-gravity alien environments. Suit up! A high-tech Nanosuit allows gamers to augment their abilities in real time on the battlefield.
- 8

Skin Deep
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Action and Indie with ROOT.
Skin Deep is an immersive first-person shooter. We got sneezing. We got things getting stuck in your feet. Stalk through a vast non-linear starship and sneak, subvert, and sabotage to survive in this stellar sandbox. You're outnumbered, outgunned, and have no shoes. Welcome to Skin Deep!
- 9

System Shock
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Action with ROOT.
A first-person fight to the death in the depths of space!
- 10

Severed Steel
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Action and Indie with ROOT.
An intense single-player FPS featuring a stylish movement system, completely destructible levels, and an acclaimed OST.
- 11

Half-Life
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Action with ROOT.
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
- 12

The Stanley Parable
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Indie with ROOT.
The Stanley Parable is a first person exploration game. You will play as Stanley, and you will not play as Stanley. You will follow a story, you will not follow a story. You will have a choice, you will have no choice. The game will end, the game will never end.
- 13

DEADLOCK
Single-player alternative to ROOT — playable solo, no multiplayer required. Shares Action and Indie with ROOT.
Physically dodge attacks while grooving to the thumping soundtrack in this neon arcade shooter. Can you free your system from the attacks of a crazed hacker and his digital army, or will it all end in DEADLOCK...