Single-player games like ニコニコさん | Niconico-san
Below are 8 single-player Steam games similar to ニコニコさん | Niconico-san, 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 ニコニコさん | Niconico-san page.
Ranked picks
- 1

Insomnia
Single-player alternative to ニコニコさん | Niconico-san — playable solo, no multiplayer required. Shares Indie and Adventure with ニコニコさん | Niconico-san.
Experience one night as a man diagnosed with a strange and incurable form of insomnia. Your only goal is to sleep until dawn, but after the lines between your nightmares and your waking life are blurred… you might not want to sleep afterall.
- 2

6年1組
Single-player alternative to ニコニコさん | Niconico-san — playable solo, no multiplayer required. Shares Action and Indie with ニコニコさん | Niconico-san.
I went to school that night to pick up something I forgot... Aim for class 1 of 6th grade, and if there are no abnormalities, go up the stairs, and if there are any abnormalities, go down the stairs.
- 3

System Malfunction
Single-player alternative to ニコニコさん | Niconico-san — playable solo, no multiplayer required. Shares Indie and Adventure with ニコニコさん | Niconico-san.
"System Malfunction" is a first-person horror game set in a mysterious building. The player takes on the role of a security guard who witnesses strange occurrences during the night shift. In a fear-inducing environment, the player explores the building to uncover hidden truths.
- 4

In Banjiha
Single-player alternative to ニコニコさん | Niconico-san — playable solo, no multiplayer required. Shares Indie and Adventure with ニコニコさん | Niconico-san.
It is a first-person horror game. Escape the damp, dark semi-basement. Overcome your fear and find a way out.
- 5

The Observation Exit
Single-player alternative to ニコニコさん | Niconico-san — playable solo, no multiplayer required. Shares Indie and Adventure with ニコニコさん | Niconico-san.
A first-person psychological horror where you must identify anomalies, choose the correct elevator to progress, and escape an endless loop in a hospital corridor while avoiding deadly entities.
- 6

209
Single-player alternative to ニコニコさん | Niconico-san — playable solo, no multiplayer required. Shares Indie with ニコニコさん | Niconico-san.
You are locked in a quiet apartment room. The only way out of the tightly closed door is to get to the truth of the case. Overcome your fear and try to escape.
- 7

Unable to Exit 8
Single-player alternative to ニコニコさん | Niconico-san — playable solo, no multiplayer required. Shares Indie and Adventure with ニコニコさん | Niconico-san.
You receive an invitation on a "special" dating app, get excited and then get involved in an endless cycle of couples' hotels. You have to watch carefully for any unusual information. Can you solve these puzzles?
- 8

Moonlight Motel
Single-player alternative to ニコニコさん | Niconico-san — playable solo, no multiplayer required. Shares Action and Indie with ニコニコさん | Niconico-san.
A distant motel. A string of murders. Use your wits to investigate a series of unexplained deaths in this murder mystery job simulator. Welcome to the Moonlight Motel.