Single-player games like Submarine Terror
Below are 11 single-player Steam games similar to Submarine Terror, 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 Submarine Terror page.
Ranked picks
- 1
Full Fathom
Single-player alternative to Submarine Terror — playable solo, no multiplayer required. Shares Adventure with Submarine Terror.
Full Fathom is an oceanic survival horror game. Pilot a deteriorating submarine as it drifts through grim waters, keeping it maintained as it is your only lifeline in the hostile, merciless ocean.
- 2
Open Waters
Single-player alternative to Submarine Terror — playable solo, no multiplayer required. Shares Adventure with Submarine Terror.
Open Waters is a first-person ocean survival horror game. Stranded in a small boat, you must navigate treacherous waters, evade creatures of the deep, and find your way back to safety before the ocean drags you into its depths.
- 3
Project SEVER
Single-player alternative to Submarine Terror — playable solo, no multiplayer required. Shares Adventure with Submarine Terror.
Project Sever is a fusion of submarine simulator and horror. Master the controls of the Soviet Project "Sever" submarine and learn to keep it in working order to escape the deadly underwater trap and solve the mystery of the Anomalous Zone.
- 4
Submeris
Single-player alternative to Submarine Terror — playable solo, no multiplayer required. Shares Adventure with Submarine Terror.
Submeris is an underwater mining adventure set beneath a mysterious island. Dig, upgrade your gear, survive dangerous depths, and uncover the legendary treasure hidden far below the ocean floor!
- 5
Europa One
Single-player alternative to Submarine Terror — playable solo, no multiplayer required. Shares Adventure with Submarine Terror.
Explore the ice-encrusted ocean of Jupiter's moon Europa.
- 6
Sonorous | Deep Down Below
Single-player alternative to Submarine Terror — playable solo, no multiplayer required. Shares Adventure with Submarine Terror.
SONOROUS – Deep Down Below is an unforgiving underwater first-person survival game set in a dystopian world. Find your sunken research to save humanity from an eternal life on the open sea in a continuous fight for survival.
- 7
Chronicles of Deeps
Single-player alternative to Submarine Terror — playable solo, no multiplayer required. Shares Adventure with Submarine Terror.
Chronicles of Deeps is Sci-fi FPS where you need to control submarines to get through story. In 2070, an event happened which left the whole world under the ocean. People separated on fractions and started to fight for resources. In 2112, some things happened which you should discover in this game.
- 8
Skinwalker Hunt
Single-player alternative to Submarine Terror — playable solo, no multiplayer required. Shares Adventure with Submarine Terror.
Skinwalker Hunt is a horror themed hunting game from the creator of Witch Hunt. Main focus of the game is on exploration, non-linear gameplay, and atmosphere.
- 9
Refund Me If You Can
Single-player alternative to Submarine Terror — playable solo, no multiplayer required. Shares Adventure with Submarine Terror.
One maze, one monster tracking you down, will you have the courage and dexterity to escape this nightmare in less than two hours ?
- 10
Refund Me If You Can : Lexy's Story
Single-player alternative to Submarine Terror — playable solo, no multiplayer required. Shares Adventure with Submarine Terror.
Lexy grandmother is sick. Will you be fast enough to bring her medication in time ?
- 11
Mechanical Keyboard Building Simulator
Single-player alternative to Submarine Terror — playable solo, no multiplayer required.
Create and expand your own mechanical keyboard venture as you master the art of maintenance, repairs, and custom builds. With real-life components and realistic hardware, refine your skills, ignite your creativity, and craft a keyboard that truly resonates with you.