Hack://TheSystem
Puzzle · HorrorA short, unsettling text-based hacking game that the developer says Claude made from one prompt.
Claudeitch.ioEnglish
No ratings yetWietske
Plays instantly in the browser
Play free — itch.ioAI-Made Horror Games on itch.io
VibeGameDB lists 6 games in this group, 35% of the 17 games on the Horror page. Each one has a source for how it was made. 6 are free or free to play and 0 are paid. The most recently added is The Last Light (November 2026).
- Games
- 6
- Free / paid
- 6 / 0
- Most used engine
- Unity
- Last updated
- Nov 4, 2026
Engines (top 5, where disclosed)
- Unity1
- Godot1
- Three.js1
Platforms (top 5)
- itch.io6
- GitHub1
All 6 games
Ordered by editorial score, then player rating, then release date. Open a game for its sources.
Le Manoir Blackwood
Horror · AdventureA horror gamebook for the Commodore 64: stranded at a cursed Maine manor in 1984, you have to survive until dawn.
Claudeitch.ioEnglish
5.0/5itch.ioCommodore 64 Mania
Download required
View on itch.io
Waiting Room
Horror · AdventureA short first-person horror game about the place between life and death, in a hospital that is not quite a hospital. Its launch post says the whole game, including its own engine, was made only with Claude Code.
Claude Codeitch.ioEnglish
5.0/5itch.ioTiborHoltman
Download required
View on itch.io
SIS - Special Incidents Service
Horror · SimulationRomania, 1998: process ghost reports on a Windows 98-style workstation. The anomalies don't follow the rules.
Claudeitch.ioEnglish
No ratings yetSebastian Pavel
Plays instantly in the browser
Play free — itch.ioFree
The Last Light
Horror · AdventureA 3D survival-horror expedition through torchlit catacombs with no combat: when your flame dies, the Hunter starts searching for you.
Codexitch.ioGitHubEnglish
No ratings yetHallucinated Games
Plays instantly in the browser
Play free — itch.io
Demon Flex
Action · HorrorA free 3D third-person shooter prototype in the browser: a steampunk demon hunter trapped in Hell saves souls, finds keys and lands headshots for points. The developer says the whole game was vibe-coded in JavaScript with Grok and Claude.
Claudeitch.ioEnglish
No ratings yetgetalife_games
Plays instantly in the browser
Play free — itch.ioFAQ
- How many horror games on itch.io were built with AI coding tools?
- VibeGameDB lists 6 horror games on itch.io whose developers say they were built with AI coding tools, each with a source for that claim.
- What engine do most horror games on itch.io built with AI coding tools use?
- Unity: 1 game (17%). Games whose engine is not disclosed are not counted.
- How many are free?
- 6 of the 6 are free or free to play; 0 are paid. Prices are recorded per store.
- Which game was added most recently?
- The Last Light, added in November 2026.