Single-player games like Outsanity
Below are 8 single-player Steam games similar to Outsanity, 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 Outsanity page.
Ranked picks
- 1
Solitary
Single-player alternative to Outsanity — playable solo, no multiplayer required. Shares Action and Indie with Outsanity.
You wake up in a silent white room with no exit—just a voice that follows you through five strange spaces, growing more unsettling as the world twists around you.
- 2
Jurnal Malam : Bestfriend
Single-player alternative to Outsanity — playable solo, no multiplayer required. Shares Action and Indie with Outsanity.
In this game, players will play the role of Afdal, a person whose fate is the opposite of Rahmad's, so one night Rahmad asks Afdal to help look after the house, but unfortunately, everything is not fine, because of the terror that Afdal is experiencing.
- 3
15th Floor
Single-player alternative to Outsanity — playable solo, no multiplayer required. Shares Action and Indie with Outsanity.
You are stuck in an apartment building with endless floors full of fear. Observe your surroundings carefully to climb to the 15th floor and reach the roof of the building. Do not ignore any abnormalities. Your carelessness may result in death.
- 4
The Sushi Bar | 寿司バー
Single-player alternative to Outsanity — playable solo, no multiplayer required. Shares Action and Indie with Outsanity.
The Sushi Bar | 寿司バー is a Japanese-style horror game where you play as a sushi chef working the night shift.
- 5
The Adventures of LinShanHai - Chapter2:Bus Bombing
Single-player alternative to Outsanity — playable solo, no multiplayer required. Shares Indie and Adventure with Outsanity.
The bus to the suburbs suddenly exploded, the scene was a mess, the sales staff, including all 10 people on board died. Lin Shanhai led the scene investigation team to conduct a detailed investigation and visited all the families and friends of the deceased, but the case is still no clue.
- 6
15th Prison
Single-player alternative to Outsanity — playable solo, no multiplayer required. Shares Action and Indie with Outsanity.
15th Prison is a horror escape game. There is no exit from this prison. But examine your surroundings carefully and do not ignore any abnormalities. Take the envelope in each block and move on. Your carelessness may result in death.
- 7
СИМУЛЯТОР ЛАЗАНЬЯ ПО ЗАБРОШКАМ
Single-player alternative to Outsanity — playable solo, no multiplayer required. Shares Action and Indie with Outsanity.
At its core, it's not really a game. Rather, a short tour of the authentic post-Soviet courtyard, which has long been abandoned by local residents.
- 8
Green Hell VR
Single-player alternative to Outsanity — playable solo, no multiplayer required. Shares Action and Indie with Outsanity.
Green Hell VR is an Open World Survival game set in the Amazon rainforest, based on the successful PC title Green Hell. You are left alone in the jungle with no food or equipment. To survive, you must learn real-life survival techniques, and crafting weapons can be a matter of life and death