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Happy Nuclear

Happy Nuclear

Hi-Develop · Hi-Develop · Jun 9, 2025
Casual Indie RPG Simulation
Delayed observation Observed
0
Last tracked
1
All-time peak
n/a
Δ 24h
Player count last observed
Live player data is temporarily unavailable; historical values remain visible for context.

Happy Nuclear - Steam Charts & Historical Stats

Happy Nuclear is an evidence-based investigation game where players act as detectives to prevent a disaster. Explore historical player activity and pricing for Happy Nuclear. Player-count data was last observed Sep 28, 2026.

Price
$4.99
Genre
Casual
Developer
Hi-Develop

Happy Nuclear player count and price summary

Current players
Unavailable
All-time peak
1
24-hour player change
Unavailable
Current US price
$4.99

Player count last observed . Values marked unavailable are not estimated.

All-Time Peak

1
Sep 2026

Estimated Owners

0 .. 20,000
Estimate via SteamSpy

Game Insights

Buy Verdict

Watch — $4.99.

Decent deal at 0% off, but might drop further. Watch for better opportunities.

▲ ~2 days until next sale

Value Score

Great Value — 100th percentile.

Price-to-player ratio ranks in the 100th percentile.

▲ Market pricing tier

Genre Benchmarks

Player Count Top 0%
Value Ratio Top 0%
Player count

Activity Heatmap

UTC+0 (Your Timezone)
0
Peak Activity
0
Avg Activity
0
Active Hours
78%
Sample coverage
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Sun
Sunday 0:00
0 players · 2 samples
Sunday 1:00
No samples
Sunday 2:00
0 players · 3 samples
Sunday 3:00
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Sunday 4:00
0 players · 1 samples
Sunday 5:00
0 players · 1 samples
Sunday 6:00
0 players · 2 samples
Sunday 7:00
0 players · 2 samples
Sunday 8:00
0 players · 1 samples
Sunday 9:00
0 players · 2 samples
Sunday 10:00
0 players · 1 samples
Sunday 11:00
0 players · 1 samples
Sunday 12:00
0 players · 2 samples
Sunday 13:00
No samples
Sunday 14:00
0 players · 2 samples
Sunday 15:00
0 players · 1 samples
Sunday 16:00
0 players · 1 samples
Sunday 17:00
0 players · 1 samples
Sunday 18:00
0 players · 2 samples
Sunday 19:00
No samples
Sunday 20:00
0 players · 2 samples
Sunday 21:00
0 players · 1 samples
Sunday 22:00
0 players · 2 samples
Sunday 23:00
No samples
Mon 📍
Monday 0:00
0 players · 2 samples
Monday 1:00
0 players · 1 samples
Monday 2:00
0 players · 1 samples
Monday 3:00
0 players · 2 samples
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0 players · 1 samples
Monday 5:00
0 players · 1 samples
Monday 6:00
0 players · 2 samples
Monday 7:00
0 players · 1 samples
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0 players · 1 samples
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0 players · 2 samples
Monday 10:00
0 players · 2 samples
Monday 11:00
No samples
Monday 12:00
0 players · 2 samples
Monday 13:00
0 players · 1 samples
Monday 14:00
0 players · 1 samples
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0 players · 1 samples
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0 players · 2 samples
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0 players · 1 samples
Monday 19:00
0 players · 2 samples
Monday 20:00
0 players · 1 samples
Monday 21:00
0 players · 1 samples
Monday 22:00
0 players · 2 samples
Monday 23:00
No samples
Tue
Tuesday 0:00
0 players · 2 samples
Tuesday 1:00
0 players · 1 samples
Tuesday 2:00
0 players · 2 samples
Tuesday 3:00
No samples
Tuesday 4:00
0 players · 2 samples
Tuesday 5:00
0 players · 1 samples
Tuesday 6:00
0 players · 1 samples
Tuesday 7:00
0 players · 3 samples
Tuesday 8:00
No samples
Tuesday 9:00
0 players · 2 samples
Tuesday 10:00
0 players · 1 samples
Tuesday 11:00
0 players · 1 samples
Tuesday 12:00
0 players · 2 samples
Tuesday 13:00
0 players · 1 samples
Tuesday 14:00
No samples
Tuesday 15:00
0 players · 2 samples
Tuesday 16:00
0 players · 1 samples
Tuesday 17:00
0 players · 1 samples
Tuesday 18:00
0 players · 1 samples
Tuesday 19:00
0 players · 1 samples
Tuesday 20:00
0 players · 1 samples
Tuesday 21:00
0 players · 2 samples
Tuesday 22:00
No samples
Tuesday 23:00
0 players · 3 samples
Wed
Wednesday 0:00
No samples
Wednesday 1:00
0 players · 1 samples
Wednesday 2:00
0 players · 1 samples
Wednesday 3:00
0 players · 2 samples
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No samples
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0 players · 2 samples
Wednesday 6:00
0 players · 1 samples
Wednesday 7:00
0 players · 2 samples
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0 players · 3 samples
Wednesday 10:00
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0 players · 1 samples
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0 players · 3 samples
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0 players · 3 samples
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0 players · 1 samples
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0 players · 2 samples
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0 players · 1 samples
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0 players · 2 samples
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0 players · 1 samples
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0 players · 1 samples
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Thursday 0:00
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0 players · 2 samples
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0 players · 1 samples
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0 players · 3 samples
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0 players · 1 samples
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0 players · 2 samples
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0 players · 1 samples
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0 players · 1 samples
Thursday 10:00
0 players · 2 samples
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No samples
Thursday 12:00
0 players · 2 samples
Thursday 13:00
0 players · 1 samples
Thursday 14:00
0 players · 1 samples
Thursday 15:00
0 players · 1 samples
Thursday 16:00
0 players · 1 samples
Thursday 17:00
0 players · 1 samples
Thursday 18:00
0 players · 1 samples
Thursday 19:00
0 players · 1 samples
Thursday 20:00
0 players · 2 samples
Thursday 21:00
No samples
Thursday 22:00
0 players · 1 samples
Thursday 23:00
0 players · 2 samples
Fri
Friday 0:00
No samples
Friday 1:00
0 players · 1 samples
Friday 2:00
0 players · 1 samples
Friday 3:00
0 players · 2 samples
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No samples
Friday 5:00
0 players · 1 samples
Friday 6:00
0 players · 2 samples
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0 players · 2 samples
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0 players · 1 samples
Friday 10:00
0 players · 1 samples
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0 players · 1 samples
Friday 12:00
0 players · 2 samples
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0 players · 1 samples
Friday 15:00
0 players · 3 samples
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Friday 17:00
0 players · 2 samples
Friday 18:00
0 players · 2 samples
Friday 19:00
0 players · 1 samples
Friday 20:00
0 players · 1 samples
Friday 21:00
0 players · 1 samples
Friday 22:00
0 players · 2 samples
Friday 23:00
0 players · 2 samples
Sat
Saturday 0:00
No samples
Saturday 1:00
0 players · 4 samples
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0 players · 2 samples
Saturday 4:00
0 players · 2 samples
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0 players · 2 samples
Saturday 7:00
0 players · 1 samples
Saturday 8:00
0 players · 2 samples
Saturday 9:00
0 players · 1 samples
Saturday 10:00
0 players · 1 samples
Saturday 11:00
0 players · 2 samples
Saturday 12:00
No samples
Saturday 13:00
0 players · 3 samples
Saturday 14:00
0 players · 1 samples
Saturday 15:00
No samples
Saturday 16:00
No samples
Saturday 17:00
0 players · 3 samples
Saturday 18:00
No samples
Saturday 19:00
0 players · 2 samples
Saturday 20:00
0 players · 1 samples
Saturday 21:00
0 players · 1 samples
Saturday 22:00
0 players · 2 samples
Saturday 23:00
0 players · 1 samples

Latest News

Jun 12, 2025 at 18:58 UTC Read More
Jun 12, 2025 at 14:08 UTC Read More
Jun 12, 2025 at 05:02 UTC Read More
Jun 11, 2025 at 14:15 UTC Read More

Price History

Lowest Price
$4.99
May 2026 across all regions
Current Price
$4.99
US region

No Recent Price History

Price history data will appear here once more pricing information becomes available.

System Requirements

Platform Support
Windows
Windows Requirements
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
Pricing
Paid Game
$4.99 (USD)

Additional Information

Categories
Single-player Steam Achievements Steam Cloud Steam Leaderboards Family Sharing
Supported Languages
English, Thai

Current Pricing

💰
$4.99
Regular Price

Additional Information

🏆 Achievements
7
total achievements
Featured:
Chapter 1 Done
Chapter 2 Done
🇧🇷 DEJUS Rating
10
Brazilian rating
🇩🇪 Steam Germany
6
German classification
🆘 Support
🎁 Purchase Options
1
package options

Developer Analytics

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About This Game

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.

Detailed 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

Frequently Asked Questions

Is Happy Nuclear worth buying right now?
Watch — $4.99. Decent deal at 0% off, but might drop further. Watch for better opportunities.
When does Happy Nuclear go on sale?
Decent deal at 0% off, but might drop further. Watch for better opportunities.
Is Happy Nuclear free to play?
Happy Nuclear costs $4.99 on Steam.
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.