Single-player games like Diamond Hunt
Below are 11 single-player Steam games similar to Diamond Hunt, 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 Diamond Hunt page.
Ranked picks
- 1
BLINDSIGHT
Single-player alternative to Diamond Hunt — playable solo, no multiplayer required. Shares Action and Adventure with Diamond Hunt.
Your voice lets you see. It also lets them find you. BLINDSIGHT is a co-op horror game for 1 to 4 players about hauling loot through the dark and knowing when to shut up. Bring friends. Preferably ones who can handle five seconds of silence.
- 2
Backrooms Manager - Together
Single-player alternative to Diamond Hunt — playable solo, no multiplayer required. Shares Adventure and Casual with Diamond Hunt.
A 1–6 player co-op survival logistics game where a routine delivery traps your crew inside the Backrooms. Scavenge, recycle, deliver cargo, manage a shared budget, and survive 49 days to earn your freedom.
- 3
Project Corruption
Single-player alternative to Diamond Hunt — playable solo, no multiplayer required. Shares Action and Early Access with Diamond Hunt.
Project Corruption throws you into the haunting walls of the I.B.I.S. space station as you respond to an S.O.S. signal in search of your wife. Uncover the stations dark secrets, confront monstrous horrors, and survive the aftermath of the failed experiments in immersive sci-fi horror experience.
- 4
Lethal Company
Single-player alternative to Diamond Hunt — playable solo, no multiplayer required. Shares Action and Adventure with Diamond Hunt.
A co-op horror about scavenging at abandoned moons to sell scrap to the Company.
- 5
Nuclear Nightmare
Single-player alternative to Diamond Hunt — playable solo, no multiplayer required. Shares Action and Adventure with Diamond Hunt.
Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.
- 6
Bunker Invaders
Single-player alternative to Diamond Hunt — playable solo, no multiplayer required. Shares Action with Diamond Hunt.
A co-op horror game where you must scavenge for loot and maintain the bunker to keep it standing
- 7
Sketchy's Contract
Single-player alternative to Diamond Hunt — playable solo, no multiplayer required. Shares Action and Adventure with Diamond Hunt.
A 1-8 player co-op sci-fi looter horror game that takes place on a mysterious asteroid belt where players must complete contracts by traveling to exotic planets to kill creatures, find loot, and/or farm planetary materials that they must return to an ominous figure named Sketchy.
- 8
Handy Harry's Haunted House Services
Single-player alternative to Diamond Hunt — playable solo, no multiplayer required. Shares Early Access with Diamond Hunt.
Team up with up to 8 friends online to explore the haunted, randomly generated depths of these dusty attics. Find and repair the objectives, flip the master switch and escape before the ghastly ghoul that lurks in the darkness catches up to you. Play through the career mode or explore free play!
- 9
Sleep
Single-player alternative to Diamond Hunt — playable solo, no multiplayer required. Shares Action with Diamond Hunt.
This has never been scarier. A story in which you will encounter unusual, strange places. Solve the mystery of this whole place and people who have lost their minds.
- 10
Sucker head: Bodycam
Single-player alternative to Diamond Hunt — playable solo, no multiplayer required. Shares Action and Adventure with Diamond Hunt.
A co-op horror game. In it, players take on the role of a group of people who are trapped, full of dangers and horrors. The goal of the game is to get out by solving puzzles, avoiding traps and fighting monsters.
- 11
Terraspace
Single-player alternative to Diamond Hunt — playable solo, no multiplayer required. Shares Adventure and Casual with Diamond Hunt.
The game "Terraspace" offers you a unique experience of planet settlement and terraforming — creating conditions for life on unsuitable planets. This will require you to build the necessary structures to populate the planet.