Sinisomnia - Digital Artbook
| App ID | 4043780 |
| App Type | DLC |
| Developer | Dave Kang, Aditya Nair, Melch Valimento |
| Supported Systems | Windows macOS |
| Last Changenumber | 31872194 |
| Last Record Update | 24 October 2025 – 01:25:03 UTC ( |
| Release Date | 24 October 2025 – 01:19:35 UTC ( |
| Parent App | Sinisomnia (3582390) |
In Sinisomnia - Digital Artbook, explore how the beloved and terrifying characters and scenes that appear in the game came to exist. Get a behind-the-scenes look at the terrifying ideas that went into the game's development!
Steam price history
Introductory Offer, ends 6 November 2025
Current Price
-15% $3.39
Lowest Recorded Price
$3.39 at -15%
24 October 2025
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
-15% $3.39 | $3.39 | $3.39 | $3.39 at -15% | |
 Russian Ruble |
-15% 140 ₽ | $1.73 | -48.78% | $1.73 | 140 ₽ at -15% |
 Kazakhstani Tenge |
-15% 1020₸ | $1.89 | -44.04% | $1.89 | 1020₸ at -15% |
 Vietnamese Dong |
-15% 50000₫ | $1.90 | -43.93% | $1.90 | 50000₫ at -15% |
 Indian Rupee |
-15% ₹ 170 | $1.93 | -42.91% | $1.93 | ₹ 170 at -15% |
 Indonesian Rupiah |
-15% Rp 32299 | $1.94 | -42.59% | $1.94 | Rp 32299 at -15% |
 Ukrainian Hryvnia |
-15% 84₴ | $2.00 | -40.99% | $2.00 | 84₴ at -15% |
 Philippine Peso |
-15% ₱120.70 | $2.06 | -39.22% | $2.06 | ₱120.70 at -15% |
 South African Rand |
-15% R 35.70 | $2.07 | -38.78% | $2.07 | R 35.70 at -15% |
 LATAM - U.S. Dollar |
-15% $2.11 | $2.11 | -37.76% | $2.11 | $2.11 at -15% |
 MENA - U.S. Dollar |
-15% $2.11 | $2.11 | -37.76% | $2.11 | $2.11 at -15% |
 South Asia - USD |
-15% $2.11 | $2.11 | -37.76% | $2.11 | $2.11 at -15% |
 Chinese Yuan |
-15% ¥ 15.30 | $2.15 | -36.52% | $2.15 | ¥ 15.30 at -15% |
 Chilean Peso |
-15% CLP$ 2040 | $2.16 | -36.15% | $2.16 | CLP$ 2040 at -15% |
 Brazilian Real |
-15% R$ 11,72 | $2.17 | -35.87% | $2.17 | R$ 11,72 at -15% |
 Taiwan Dollar |
-16% NT$ 69 | $2.24 | -33.82% | $2.24 | NT$ 69 at -16% |
 Saudi Riyal |
-15% 8.45 SR | $2.25 | -33.53% | $2.25 | 8.45 SR at -15% |
 CIS - U.S. Dollar |
-15% $2.28 | $2.28 | -32.74% | $2.28 | $2.28 at -15% |
 Malaysian Ringgit |
-15% RM9.77 | $2.31 | -31.70% | $2.31 | RM9.77 at -15% |
 Kuwaiti Dinar |
-15% 0.72 KD | $2.34 | -30.72% | $2.34 | 0.72 KD at -15% |
 Mexican Peso |
-15% Mex$ 44.19 | $2.39 | -29.22% | $2.39 | Mex$ 44.19 at -15% |
 Colombian Peso |
-15% COL$ 9350 | $2.41 | -28.88% | $2.41 | COL$ 9350 at -15% |
 Qatari Riyal |
-15% 8.91 QR | $2.44 | -27.99% | $2.44 | 8.91 QR at -15% |
 Thai Baht |
-15% ฿80.75 | $2.47 | -27.00% | $2.47 | ฿80.75 at -15% |
 Peruvian Sol |
-15% S/.8.50 | $2.50 | -26.05% | $2.50 | S/.8.50 at -15% |
 Japanese Yen |
-15% ¥ 399 | $2.61 | -22.99% | $2.61 | ¥ 399 at -15% |
 South Korean Won |
-15% ₩ 3820 | $2.66 | -21.27% | $2.66 | ₩ 3820 at -15% |
 Uruguayan Peso |
-15% $U107 | $2.68 | -20.84% | $2.68 | $U107 at -15% |
 U.A.E. Dirham |
-15% 10.20 AED | $2.77 | -18.07% | $2.77 | 10.20 AED at -15% |
 Singapore Dollar |
-15% S$3.61 | $2.78 | -17.91% | $2.78 | S$3.61 at -15% |
 Hong Kong Dollar |
-15% HK$ 22.10 | $2.84 | -16.08% | $2.84 | HK$ 22.10 at -15% |
 New Zealand Dollar |
-15% NZ$ 5.09 | $2.93 | -13.50% | $2.93 | NZ$ 5.09 at -15% |
 Canadian Dollar |
-15% CDN$ 4.24 | $3.03 | -10.56% | $3.03 | CDN$ 4.24 at -15% |
 Costa Rican Colon |
-15% ₡1615 | $3.22 | -5.00% | $3.22 | ₡1615 at -15% |
 Australian Dollar |
-15% A$ 5.05 | $3.29 | -2.66% | $3.29 | A$ 5.05 at -15% |
 Norwegian Krone |
-15% 37,40 kr | $3.74 | +10.34% | $3.74 | 37,40 kr at -15% |
 Israeli New Shekel |
-15% ₪12.32 | $3.75 | +10.63% | $3.75 | ₪12.32 at -15% |
 British Pound |
-15% £2.88 | $3.83 | +13.23% | $3.83 | £2.88 at -15% |
 Euro |
-15% 3,39€ | $3.94 | +16.39% | $3.94 | 3,39€ at -15% |
 Polish Zloty |
-15% 15,29zł | $4.19 | +23.65% | $4.19 | 15,29zł at -15% |
 Swiss Franc |
-15% CHF 3.81 | $4.79 | +41.34% | $4.79 | CHF 3.81 at -15% |
Valve suggested prices are shown on package pages.
Price history
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Additional Information
| Developer | Dave Kang | |||
| DLCForAppID | Sinisomnia (3582390) | |||
| MustOwnAppToPurchase | Sinisomnia (3582390) | |||
| DLCAvailableOnStore | Yes | |||
| ReleaseState | released | |||
| Store Release Date | 24 October 2025 – 01:19:39 UTC ( |
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| osarch | empty string | |||
| Primary Genre | Adventure (25) | |||
| Store Genres | Adventure (25), Indie (23), Simulation (28) | |||
| Steam Release Date | 24 October 2025 – 01:19:35 UTC ( |
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| Store Asset Modification Time | 18 September 2025 – 14:26:13 UTC ( |
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| library_assets |
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| osextended | macos64,macosapplesilicon,macosnotarized | |||
| Content Descriptors | General Mature Content (5) | |||
| First seen on SteamDB | 17 September 2025 – 17:06:42 UTC ( |
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| Content Descriptors (Including DLC) | General Mature Content (5) |
Supported Languages
| 3 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| Japanese | Yes | Yes | Yes |
| Korean | Yes | Yes | Yes |
