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Happy Nuclear

Game overview

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.

Casual Indie RPG Simulation
Last tracked players
0
Recorded peak
1
24-hour change
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Delayed observation · last tracked . Values marked unavailable are not estimated. Recorded peak is the highest player count observed by SteamIQHQ; earlier records may be outside our coverage.

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About this game Read the full description

Happy Nuclear

Happy Nuclear is a challenging puzzle investigation game that tests your thinking skills. Players take on the role of a detective who becomes involved with a terrorist organization planning to destroy the world with nuclear bombs. You must use logic and problem-solving skills to investigate and stop this organization before it's too late.

Gameplay Mechanics

Players need to identify the culprits by piecing together incomplete information to reconstruct a complete picture of events at the crime scene. The game system feels similar to Sudoku, but instead of filling in numbers, you're creating movement patterns of suspects at the crime scene.

In-Game Information Sources

  • "CCTV Smart Detection System" - This system provides partial information about who used rooms at specified times.

  • "Room Usage Log" - This system provides partial information about how many times a specified suspect entered this room.

Game Rules (Golden Rules)

Happy Nuclear has 2 fundamental rules that apply throughout the game:

  • Everyone must move only to adjacent rooms - skipping rooms is not allowed.

  • No one can stay in the same room for more than 1 hour.

Hotkeys make gameplay more fun

  • Press number keys 1-0 to pull out tokens and tools.

  • Press Delete to remove tokens and tools.

  • Copy and paste tools with Ctrl+C / Ctrl+V.

  • Quick access the applications: Press 'Q' to open logs, 'W' to open CCTV

Player activity

Concurrent players over the last 48 hours.

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V 0.2.9 Temporary Fix Hot fix V 0.2.8 Update Notes For June 12 (Version 0.2.7)
System requirements Windows

Windows

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 and later
  • Processor: 2.5Ghz or better
  • Memory: 2 GB RAM
  • Graphics: Support for OpenGL 3.3
  • Storage: 1 GB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • Memory: 4 GB RAM
Game details Languages, features & support
Publisher
Hi-Develop
Brazilian rating
10
Steam Germany rating
6
Achievements
7
Features
Single-player, Steam Achievements, Steam Cloud, Steam Leaderboards, Family Sharing
Languages
English, Thai
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Genre Benchmarks

Player Count Top 0%
Value Ratio Top 0%

Activity Heatmap

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Developer Analytics

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Frequently Asked Questions

What is the recorded Steam price for Happy Nuclear?
The last observed Steam price for Happy Nuclear is $4.99. Check Steam for current pricing and availability.
What genre is Happy Nuclear?
Happy Nuclear is a Casual, Indie, RPG, Simulation game.
Who developed Happy Nuclear?
Happy Nuclear was developed by Hi-Develop and published by Hi-Develop.
What platforms does Happy Nuclear support?
Available on Steam for Windows.