Happy Nuclear
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.
Last Updated: 11/23/2025
| Steam Price | $4.99 |
| Release Date | 6/10/2025 |
| Developer | Hi-Develop |
| Publisher | Hi-Develop |
| Steam App Id | 3678870 |
Happy Nuclear
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.
Last Updated: 11/23/2025
- Windows
- Mac
- Linux
About Happy Nuclear
Happy Nuclear is a RPG, Indie, Casual, and Simulation game developed by Hi-Develop. On 6/10/2025, it was released on the Steam Store by Hi-Develop.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Happy Nuclear supports the following features:
- Steam Cloud
- Steam Achievements
- Steam Leaderboards
- Single-player
- Family Sharing
From the Steam community, Happy Nuclear has been tagged with the following user tags:
- Clicker
- Immersive Sim
- Atmospheric
- Investigation
- 1990's
- Puzzle
- RPG
- Retro
- Logic
- Mystery
- 1980s
- Simulation
- Detective
- Point & Click
- Indie
- Thriller
- Casual
- Singleplayer
- 2D
Media & Sceenshots
Watch the featured video for Happy Nuclear and see the latest screenshots from the Steam Store.
Related Packages
Happy Nuclear is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| Happy Nuclear | $4.49 | View |
Supported Languages and Localizations
Happy Nuclear is available in 2 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Thai | Yes | No | Yes |
Discover Similar Games
Find a new game to play just like Happy Nuclear through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to Happy Nuclear.
Genres
Features & Categories
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Happy Nuclear data has been sourced from:
- Valve Corporation. (2025, November 23). Happy Nuclear on Steam. Steam Store.
- Valve Corporation. (2025, November 23). Happy Nuclear. Steam Community Hub.