
Happy Nuclear
PC (Microsoft Windows)
- Release Date
- June 10, 2025
- Genres
- Role-playing (RPG), Simulator, Point-and-click, Indie, Puzzle
- Game Type
- Main game
- Game Modes
- Single-player
Overview
Happy Nuclear is an evidence-based investigation game where players act as detectives to prevent a disaster. They analyze interconnected case information on an investigation board, primarily using old CCTV and access logs. Cases link together at the end, and each replay introduces changes.
Releases and Editions
- PC (Microsoft Windows) | 2025-06-10










