Single-player games like Subterror
Below are 14 single-player Steam games similar to Subterror, 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 Subterror page.
Ranked picks
- 1
Murky Divers
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Action and Indie with Subterror.
Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.
- 2
Magnavis
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Action and Indie with Subterror.
Set in the depths of the Red Seas, Magnavis is a 1-4 player co-op submarine horror survival game. Manually operate grotesque ship systems powered by living organs, weld catastrophic leaks, and survive with your crew in an abyss where unknown terrors lurk in the absolute dark.
- 3
Darkwater
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Action and Indie with Subterror.
Darkwater is a cooperative extraction horror game for 1-4 players. Command a submarine trapped under the ice of an alien planet. Battle enemy vessels and deep sea abominations as you hunt for resources. Do what it takes to survive.
- 4
Hadal
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Indie and Adventure with Subterror.
Guide a Nereid Freight submarine crew through Europa’s hostile under-ice oceans. Deliver essential cargo, salvage wrecks, repair failing stations, hunt dangerous lifeforms, and survive in the crushing darkness where every dive carries risk — and nothing stays quiet for long.
- 5
Keycards
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Action and Indie with Subterror.
Trapped in darkness, hunted down—your only way out is the right keycard. In this intense co-op multiplayer horror game, you and up to 4 friends must search terrifying maps, evade deadly villains, and escape before time runs out. No weapons, just wits. Can you survive?
- 6
Radio Decay
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Action and Indie with Subterror.
A 1-6 player co-op survival horror set in a supernatural nuclear apocalypse. Drop-pod into an abandoned city to extract radioactive artifacts while being hunted by giant bug-like monsters. Rebuild your decaying body with prosthetic limbs, arm yourself, and radio your friends for help.
- 7
Remnants of R'lyeh
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Action and Indie with Subterror.
Inspired by H.P. Lovecraft's Great Work. An ancient dark power is calling you and you need to find an exit. Face your greatest fear, fight, hide... you must escape before the underwater city rises...
- 8
Scary Ferry
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Action and Adventure with Subterror.
Scary Ferry is a co-op horror game where you and your friends face monsters, traps, and treacherous waters. Complete challenging missions, explore dangerous dungeons, and uncover ISM's secrets.
- 9
Alien: Isolation
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Action with Subterror.
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.
- 10
Minecraft: Story Mode - A Telltale Games Series
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Adventure with Subterror.
Episode 1 is now FREE - for a limited time! In Minecraft: Story Mode, playing as either a male or female hero named 'Jesse,' you’ll embark on a perilous adventure across the Overworld, through the Nether, to the End, and beyond.
- 11
Lethal Company
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Action and Indie with Subterror.
A co-op horror about scavenging at abandoned moons to sell scrap to the Company.
- 12
R.E.P.O.
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Action with Subterror.
An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.
- 13
Keep It Live
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Indie with Subterror.
Keep-it-Live is a small, singleplayer high-score game in which you assume the role of a live stream chat moderator. Your job is to ban any messages that violate the stream’s rules. Will you let the stream get taken down, or are you prepared to Keep it Live?
- 14
Spellshot
Single-player alternative to Subterror — playable solo, no multiplayer required. Shares Action and Indie with Subterror.
Survive against hordes of zombies using bullets enchanted with spells purchased from a rerolling shop. Spellshot is a fast-paced, rogue-lite fps in which you create unique builds by combining and upgrading spells, activating set bonuses, and collecting rare items.