Single-player games like 25 Days in the DARK
Below are 8 single-player Steam games similar to 25 Days in the DARK, 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 25 Days in the DARK page.
Ranked picks
- 1
Site Unknown
Single-player alternative to 25 Days in the DARK — playable solo, no multiplayer required. Shares Action and Indie with 25 Days in the DARK.
Site Unknown: A first-person horror exploration game set on a remote research island. Explore abandoned laboratories, uncover hidden documents, complete objectives, and piece together the truth behind the mysterious experiments that led to the facility’s downfall.
- 2
Out Fishing
Single-player alternative to 25 Days in the DARK — playable solo, no multiplayer required. Shares Indie and Adventure with 25 Days in the DARK.
Fish, sell, upgrade your gear, and build your camp in this first-person horror fishing game. Explore a haunted forest and uncover clues about a forgotten disappearance near the lake, but return before nightfall, as danger lurks beneath the water.
- 3
KYORA
Single-player alternative to 25 Days in the DARK — playable solo, no multiplayer required. Shares Action and Indie with 25 Days in the DARK.
Delve into KYORA, a mystical multiplayer sandbox adventure, where every pixel is yours to shape, mine, build or explode.
- 4
The Forest of Black Eden
Single-player alternative to 25 Days in the DARK — playable solo, no multiplayer required. Shares Indie and Adventure with 25 Days in the DARK.
Stranded on an island crawling with terrifying creatures, you must survive, build, and uncover its dark secrets. Escape or be one of them with lost dream.
- 5
We Harvest Shadows
Single-player alternative to 25 Days in the DARK — playable solo, no multiplayer required. Shares Adventure with 25 Days in the DARK.
A single-player, first-person farming horror allegory. Become a recluse, build up your farm, and survive the lonely nights.
- 6
The Legacy
Single-player alternative to 25 Days in the DARK — playable solo, no multiplayer required. Shares Action and Indie with 25 Days in the DARK.
Cooperative survival and horror genre. You and your family have returned to your native land, on which a terrible curse and darkness has fallen. Will you be able to survive in a harsh and dangerous environment and stop the evil? It depends only on you, on your skills and ability to help each other.
- 7
Outbreak Island
Single-player alternative to 25 Days in the DARK — playable solo, no multiplayer required. Shares Action and Indie with 25 Days in the DARK.
Survive on a remote Island, where a mysterious Outbreak awakens bloodthirsty monsters at night. Craft, build and defend your base in the brutal world of Outbreak Island, an open-world sandbox survival horror game.
- 8
Mayday: The Survival Island
Single-player alternative to 25 Days in the DARK — playable solo, no multiplayer required. Shares Indie and Adventure with 25 Days in the DARK.
After a mysterious crash, you awaken alone on a strange island. Survive by hunting, farming, and crafting, then explore a vast archipelago filled with secrets, ancient ruins, and magical totems. Build your base, uncover the truth, and escape—if you can.