Single-player games like NULL
Below are 8 single-player Steam games similar to NULL, 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 NULL page.
Ranked picks
- 1
CITADEL
Single-player alternative to NULL — playable solo, no multiplayer required. Shares Adventure with NULL.
Awake from your slumber and venture out to the mighty CITADEL.
- 2
ハルシネーション
Single-player alternative to NULL — playable solo, no multiplayer required. Shares Adventure with NULL.
「現実と区別のつかない幻覚を見せる能力」を手に入れた高校生・拓海。復讐のために使い始めた力は、やがて彼自身の運命を大きく変えていく。選択によって結末が変化する心理サスペンスビジュアルノベル。
- 3
How Many Calories Are In A Muffin?
Single-player alternative to NULL — playable solo, no multiplayer required. Shares Adventure with NULL.
A short story about a difficult day at work and a painful breakup that lingers; about depression, anxiety, and how they can lead to eating disorders. Do you know how many calories are in a muffin? Are you ready for what the answer implies?
- 4
Paper2Galgame
Single-player alternative to NULL — playable solo, no multiplayer required.
Turn any PDF, TXT or DOCX into an interactive visual novel. Pick an anime companion, upload a paper or any text you want to understand, and let AI turn it into a 5–10 minute story — with quizzes, voice narration, a blackboard for formulas, and full character customization via Steam Workshop.
- 5
![s[TOR-Y]telling: Closed Loop — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4295120/f3317897e806a4222e603a98f117215e410bfaed/header.jpg?t=1786746683)
s[TOR-Y]telling: Closed Loop
Single-player alternative to NULL — playable solo, no multiplayer required. Shares Adventure with NULL.
Release your creativity in a local AI sandbox where every interaction matters. Evaluate sentient s[TOR-Y]s to shape a cinematic Visual Novel. Featuring 50 built-in stories and custom creation support, s[TOR-Y]telling: Closed Loop is an infinite narrative experiment. How far are you going to test it?
- 6
宿直日誌 Night Duty Log：A Showa School Record
Single-player alternative to NULL — playable solo, no multiplayer required. Shares Adventure with NULL.
A short psychological horror set in a Japanese school during the Shōwa era. At night in the school, you begin to realize that you are not alone. As you investigate classrooms and hallways, you notice strange occurrences. Your choices shape the story, leading to multiple endings.
- 7
STARCULT. Night: Twisted Age
Single-player alternative to NULL — playable solo, no multiplayer required.
A dark fantasy VN with romance and horror. Kill all your enemies! Manipulate! Survive the investigation! Create or join a Cult. Enjoy power and peaceful moments... as a Villainess Artist with your palette, until bigger problems arise.
- 8
soulstation
Single-player alternative to NULL — playable solo, no multiplayer required.
Kin and Clef lose themselves in The Station – an afterlife that rotates dreams into realities and a wish into a memory. What awaits them at the end of the spiral? Don't be afraid, don't be anything.