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Happy Nuclear

Main game

Released Jun 10, 2025

Technical details

Genres: Indie
Point-and-click
Puzzle
Role-playing (RPG)
Simulator

ST

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Main story—

Complete—

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.

Platforms

PC (Microsoft Windows)

Game modes

Single player

Engines

Godot Engine

Complete release history (1)

PC (Microsoft Windows) · Jun 10, 2025
Worldwide · Exact date · Full release · IGDB

Catalog sources

Catalog sources

IGDB (opens in a new tab)

Trailers

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7 achievements available.

Search achievements

Finish The Tutorial
Finish The Tutorial
LockedSteam
Chapter 1 Done
Chapter 1 Done
LockedSteam
Chapter 2 Done
Chapter 2 Done
LockedSteam
Chapter 3 Done
Chapter 3 Done
LockedSteam
Chapter 4 Done
Chapter 4 Done
LockedSteam
Chapter 5 Done
Chapter 5 Done
LockedSteam
Chapter 6 Done
Chapter 6 Done
LockedSteam

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