Happy Nuclear
| App ID | 3678870 |
| App Type | Game |
| Developer | Hi-Develop |
| Publisher | Hi-Develop |
| Supported Systems | Windows |
| Technologies | Godot Engine |
| Last Changenumber | 30102626 |
| Last Record Update | 17 July 2025 – 03:37:58 UTC ( |
| Release Date | 10 June 2025 – 02:09:40 UTC ( |
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.
Steam price history
Current Price
$4.99
Lowest Recorded Price
$4.49 at -10%
10 June 2025
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
$4.99 | $4.99 | $4.49 | $4.49 at -10% | |
 Russian Ruble |
200 ₽ | $2.55 | -48.75% | $2.30 | 180 ₽ at -10% |
 Vietnamese Dong |
73500₫ | $2.80 | -43.69% | $2.52 | 66000₫ at -10% |
 Kazakhstani Tenge |
1500₸ | $2.83 | -43.23% | $2.54 | 1350₸ at -10% |
 Indian Rupee |
₹ 250 | $2.89 | -41.93% | $2.60 | ₹ 225 at -10% |
 Indonesian Rupiah |
Rp 47499 | $2.90 | -41.73% | $2.61 | Rp 42749 at -10% |
 South African Rand |
R 52.00 | $2.95 | -40.84% | $2.65 | R 46.80 at -10% |
 Ukrainian Hryvnia |
124₴ | $2.96 | -40.56% | $2.65 | 111₴ at -10% |
 LATAM - U.S. Dollar |
$2.99 | $2.99 | -40.08% | $2.69 | $2.69 at -10% |
 MENA - U.S. Dollar |
$2.99 | $2.99 | -40.08% | $2.69 | $2.69 at -10% |
 South Asia - USD |
$2.99 | $2.99 | -40.08% | $2.69 | $2.69 at -10% |
 Brazilian Real |
R$ 16,99 | $3.05 | -38.84% | $2.74 | R$ 15,29 at -10% |
 Chinese Yuan |
¥ 22 | $3.06 | -38.56% | $2.75 | ¥ 19.80 at -10% |
 Philippine Peso |
₱174.95 | $3.06 | -38.51% | $2.76 | ₱157.45 at -10% |
 Chilean Peso |
CLP$ 3000 | $3.14 | -36.99% | $2.82 | CLP$ 2700 at -10% |
 Saudi Riyal |
11.95 SR | $3.18 | -36.16% | $2.86 | 10.75 SR at -10% |
 CIS - U.S. Dollar |
$3.29 | $3.29 | -34.07% | $2.96 | $2.96 at -10% |
 Malaysian Ringgit |
RM13.99 | $3.30 | -33.81% | $2.97 | RM12.59 at -10% |
 Peruvian Sol |
S/.12.00 | $3.37 | -32.46% | $3.03 | S/.10.80 at -10% |
 Colombian Peso |
COL$ 13500 | $3.37 | -32.35% | $3.03 | COL$ 12150 at -10% |
 Mexican Peso |
Mex$ 64.49 | $3.45 | -30.78% | $3.10 | Mex$ 58.04 at -10% |
 Taiwan Dollar |
NT$ 102 | $3.47 | -30.36% | $3.10 | NT$ 91 at -11% |
 Qatari Riyal |
12.99 QR | $3.56 | -28.54% | $3.20 | 11.69 QR at -10% |
 Thai Baht |
฿115.00 | $3.57 | -28.45% | $3.21 | ฿103.50 at -10% |
 Kuwaiti Dinar |
1.10 KD | $3.60 | -27.80% | $3.24 | 0.99 KD at -10% |
 Japanese Yen |
¥ 580 | $3.93 | -21.14% | $3.54 | ¥ 522 at -10% |
 Uruguayan Peso |
$U159 | $3.93 | -21.09% | $3.54 | $U143 at -10% |
 South Korean Won |
₩ 5600 | $4.04 | -18.84% | $3.64 | ₩ 5040 at -10% |
 U.A.E. Dirham |
15.00 AED | $4.08 | -18.16% | $3.67 | 13.50 AED at -10% |
 Singapore Dollar |
S$5.25 | $4.09 | -17.84% | $3.68 | S$4.72 at -10% |
 Hong Kong Dollar |
HK$ 33.00 | $4.20 | -15.75% | $3.78 | HK$ 29.70 at -10% |
 New Zealand Dollar |
NZ$ 7.39 | $4.41 | -11.60% | $3.96 | NZ$ 6.65 at -10% |
 Canadian Dollar |
CDN$ 6.49 | $4.74 | -4.90% | $4.27 | CDN$ 5.84 at -10% |
 Costa Rican Colon |
₡2400 | $4.76 | -4.56% | $4.28 | ₡2160 at -10% |
 Australian Dollar |
A$ 7.50 | $4.89 | -1.89% | $4.40 | A$ 6.75 at -10% |
 Norwegian Krone |
55,49 kr | $5.45 | +9.42% | $4.91 | 49,94 kr at -10% |
 Israeli New Shekel |
₪18.50 | $5.52 | +10.67% | $4.97 | ₪16.65 at -10% |
 British Pound |
£4.29 | $5.78 | +15.97% | $5.20 | £3.86 at -10% |
 Euro |
4,99€ | $5.83 | +16.95% | $5.25 | 4,49€ at -10% |
 Polish Zloty |
22,99zł | $6.33 | +26.94% | $5.70 | 20,69zł at -10% |
 Swiss Franc |
CHF 5.49 | $6.87 | +37.85% | $6.18 | CHF 4.94 at -10% |
Valve suggested prices are shown on package pages.
Price history
Initializing price history graph…
Price history is limited. View full data for free by signing in.
Click on a currency name to load price history for that particular currency.
Additional Information
| Developer | Hi-Develop | |||||||||||||||||||
| community_visible_stats | Yes | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | Hi-Develop | |||||||||||||||||||
| Store Release Date | 10 June 2025 – 02:09:43 UTC ( |
|||||||||||||||||||
| osarch | 64 | |||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||
| Primary Genre | RPG (3) | |||||||||||||||||||
| Store Genres | Casual (4), Indie (23), RPG (3), Simulation (28) | |||||||||||||||||||
| Steam Release Date | 10 June 2025 – 02:09:40 UTC ( |
|||||||||||||||||||
| Store Asset Modification Time | 12 June 2025 – 05:05:09 UTC ( |
|||||||||||||||||||
| library_assets |
|
|||||||||||||||||||
| osextended | empty string | |||||||||||||||||||
| review_score | 7 | |||||||||||||||||||
| review_percentage | 85 | |||||||||||||||||||
| Detected Technologies (?) | Godot Engine | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| First seen on SteamDB | 17 April 2025 – 08:16:00 UTC ( |
|||||||||||||||||||
Supported Languages
| 2 Languages | Interface | Full Audio | Subtitles | Achievements |
|---|---|---|---|---|
| English | Yes | Yes | Yes | |
| Thai | Yes | Yes |
