DeMon Researcher
| App ID | 3858400 |
| App Type | Game |
| Developer | STUDIO C-illy_B |
| Publisher | C-illy_B |
| Supported Systems | Windows |
| Last Changenumber | 31397990 |
| Last Record Update | 30 September 2025 – 15:01:48 UTC ( |
| Release Date | 30 September 2025 – 15:01:41 UTC ( |
DeMon Researcher is a sci-fi survival horror where rogue AIs rule and humanity hides. When a leader’s daughter is taken by the terrifying DeMon, one man must uncover the truth—if he survives. Face off against deadly AI across 4 intense stages using guns, grenades, and grit.
Steam price history
Current Price
$4.99
Lowest Recorded Price
$4.99
30 September 2025
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
$4.99 | $4.99 | $4.99 | $4.99 | |
 LATAM - U.S. Dollar |
$2.99 | $2.99 | -40.08% | $2.99 | $2.99 |
 MENA - U.S. Dollar |
$2.99 | $2.99 | -40.08% | $2.99 | $2.99 |
 South Asia - USD |
$2.99 | $2.99 | -40.08% | $2.99 | $2.99 |
 CIS - U.S. Dollar |
$3.29 | $3.29 | -34.07% | $3.29 | $3.29 |
 Russian Ruble |
398 ₽ | $4.83 | -3.03% | $4.83 | 398 ₽ |
 Taiwan Dollar |
NT$ 149 | $4.90 | -1.75% | $4.90 | NT$ 149 |
 Kazakhstani Tenge |
2694₸ | $4.91 | -1.46% | $4.91 | 2694₸ |
 Indian Rupee |
₹ 437 | $4.92 | -1.33% | $4.92 | ₹ 437 |
 New Zealand Dollar |
NZ$ 8.45 | $4.92 | -1.28% | $4.92 | NZ$ 8.45 |
 South Korean Won |
₩ 6960 | $4.94 | -0.95% | $4.94 | ₩ 6960 |
 Vietnamese Dong |
130500₫ | $4.94 | -0.87% | $4.94 | 130500₫ |
 Canadian Dollar |
CDN$ 6.91 | $4.95 | -0.79% | $4.95 | CDN$ 6.91 |
 Indonesian Rupiah |
Rp 82420 | $4.97 | -0.38% | $4.97 | Rp 82420 |
 U.A.E. Dirham |
18.33 AED | $4.99 | +0.01% | $4.99 | 18.33 AED |
 Qatari Riyal |
18.17 QR | $4.99 | +0.01% | $4.99 | 18.17 QR |
 Saudi Riyal |
18.72 SR | $4.99 | +0.03% | $4.99 | 18.72 SR |
 Kuwaiti Dinar |
1.53 KD | $5.00 | +0.25% | $5.00 | 1.53 KD |
 Uruguayan Peso |
$U200 | $5.00 | +0.39% | $5.00 | $U200 |
 Singapore Dollar |
S$6.47 | $5.01 | +0.55% | $5.01 | S$6.47 |
 Philippine Peso |
₱291.10 | $5.02 | +0.70% | $5.02 | ₱291.10 |
 Chinese Yuan |
¥ 35.81 | $5.02 | +0.80% | $5.02 | ¥ 35.81 |
 Hong Kong Dollar |
HK$ 39.17 | $5.03 | +0.88% | $5.03 | HK$ 39.17 |
 Ukrainian Hryvnia |
208₴ | $5.03 | +0.98% | $5.03 | 208₴ |
 Thai Baht |
฿163.08 | $5.04 | +1.03% | $5.04 | ฿163.08 |
 Malaysian Ringgit |
RM21.28 | $5.05 | +1.24% | $5.05 | RM21.28 |
 Chilean Peso |
CLP$ 4892 | $5.06 | +1.53% | $5.06 | CLP$ 4892 |
 Japanese Yen |
¥ 748 | $5.07 | +1.62% | $5.07 | ¥ 748 |
 British Pound |
£3.77 | $5.07 | +1.77% | $5.07 | £3.77 |
 Swiss Franc |
CHF 4.05 | $5.08 | +1.98% | $5.08 | CHF 4.05 |
 Mexican Peso |
Mex$ 93.93 | $5.10 | +2.33% | $5.10 | Mex$ 93.93 |
 Australian Dollar |
A$ 7.74 | $5.10 | +2.38% | $5.10 | A$ 7.74 |
 Costa Rican Colon |
₡2570 | $5.11 | +2.45% | $5.11 | ₡2570 |
 Israeli New Shekel |
₪16.90 | $5.11 | +2.46% | $5.11 | ₪16.90 |
 Euro |
4,36€ | $5.11 | +2.52% | $5.11 | 4,36€ |
 Peruvian Sol |
S/.17.79 | $5.11 | +2.58% | $5.11 | S/.17.79 |
 Polish Zloty |
18,61zł | $5.13 | +2.90% | $5.13 | 18,61zł |
 Norwegian Krone |
51,37 kr | $5.16 | +3.53% | $5.16 | 51,37 kr |
 South African Rand |
R 90.22 | $5.23 | +4.94% | $5.23 | R 90.22 |
 Brazilian Real |
R$ 28,00 | $5.24 | +5.08% | $5.24 | R$ 28,00 |
 Colombian Peso |
COL$ 20859 | $5.38 | +7.99% | $5.38 | COL$ 20859 |
Valve suggested prices are shown on package pages.
Price history
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Additional Information
| Developer | STUDIO C-illy_B | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | C-illy_B | |||||||||||||||||||
| Store Release Date | 30 September 2025 – 15:01:44 UTC ( |
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| osarch | 64 | |||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||
| AbsoluteMouseCoordinates | No | |||||||||||||||||||
| Social Media | https://www.youtube.com/@DeMonResearcher |
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| Primary Genre | Action (1) | |||||||||||||||||||
| Store Genres | Action (1), Indie (23) | |||||||||||||||||||
| Steam Release Date | 30 September 2025 – 15:01:41 UTC ( |
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| Store Asset Modification Time | 20 August 2025 – 17:52:20 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||
| RemotePlayTogetherTestingBranches | default | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| First seen on SteamDB | 3 July 2025 – 12:14:15 UTC ( |
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Supported Languages
| 1 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes |
