Opus Castle - Chapter 4
| App ID | 3654290 |
| App Type | DLC |
| Developer | Messier Games |
| Supported Systems | Windows |
| Last Changenumber | 28942706 |
| Last Record Update | 12 May 2025 – 16:02:17 UTC ( |
| Release Date | 31 December 2025 – 08:00:00 UTC ( |
| Parent App | Opus Castle (1725660) |
The castle remembers. In Chapter 4, time and reality twist as spirits reveal personal truths about the tragedy.
Steam price history
Current Price
$1.99
Lowest Recorded Price
$1.79 at -10%
12 June 2025
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
$1.99 | $1.99 | $1.79 | $1.79 at -10% | |
 Russian Ruble |
82 ₽ | $1.03 | -48.07% | $0.91 | 73 ₽ at -11% |
 Brazilian Real |
R$ 5,99 | $1.08 | -45.48% | $0.97 | R$ 5,39 at -10% |
 Kazakhstani Tenge |
600₸ | $1.10 | -44.46% | $0.99 | 540₸ at -10% |
 Vietnamese Dong |
30000₫ | $1.14 | -42.32% | $1.03 | 27000₫ at -10% |
 Ukrainian Hryvnia |
50₴ | $1.19 | -39.87% | $1.07 | 45₴ at -10% |
 Indonesian Rupiah |
Rp 19499 | $1.19 | -39.86% | $1.07 | Rp 17549 at -10% |
 Indian Rupee |
₹ 105 | $1.21 | -38.92% | $1.08 | ₹ 94 at -10% |
 South African Rand |
R 21.50 | $1.21 | -38.75% | $1.09 | R 19.35 at -10% |
 Philippine Peso |
₱71.49 | $1.25 | -36.72% | $1.13 | ₱64.34 at -10% |
 South Asia - USD |
$1.29 | $1.29 | -35.18% | $1.16 | $1.16 at -10% |
 Malaysian Ringgit |
RM5.69 | $1.34 | -32.17% | $1.21 | RM5.12 at -10% |
 Colombian Peso |
COL$ 5500 | $1.35 | -31.70% | $1.22 | COL$ 4950 at -10% |
 Chilean Peso |
CLP$ 1300 | $1.36 | -31.26% | $1.23 | CLP$ 1170 at -10% |
 CIS - U.S. Dollar |
$1.39 | $1.39 | -30.15% | $1.25 | $1.25 at -10% |
 Saudi Riyal |
5.25 SR | $1.39 | -29.68% | $1.25 | 4.72 SR at -10% |
 Peruvian Sol |
S/.5.00 | $1.40 | -29.35% | $1.26 | S/.4.50 at -10% |
 Mexican Peso |
Mex$ 26.99 | $1.45 | -26.93% | $1.30 | Mex$ 24.29 at -10% |
 Thai Baht |
฿47.00 | $1.45 | -26.77% | $1.31 | ฿42.30 at -10% |
 Kuwaiti Dinar |
0.45 KD | $1.47 | -25.89% | $1.31 | 0.40 KD at -11% |
 LATAM - U.S. Dollar |
$1.49 | $1.49 | -25.13% | $1.34 | $1.34 at -10% |
 MENA - U.S. Dollar |
$1.49 | $1.49 | -25.13% | $1.34 | $1.34 at -10% |
 Qatari Riyal |
5.49 QR | $1.50 | -24.55% | $1.35 | 4.94 QR at -10% |
 Taiwan Dollar |
NT$ 45 | $1.53 | -23.05% | $1.36 | NT$ 40 at -11% |
 Chinese Yuan |
¥ 11 | $1.53 | -22.74% | $1.38 | ¥ 9.90 at -10% |
 Uruguayan Peso |
$U64 | $1.59 | -19.71% | $1.42 | $U57 at -11% |
 Japanese Yen |
¥ 235 | $1.59 | -19.63% | $1.43 | ¥ 211 at -10% |
 U.A.E. Dirham |
6.00 AED | $1.63 | -17.91% | $1.47 | 5.40 AED at -10% |
 Hong Kong Dollar |
HK$ 13.00 | $1.65 | -16.78% | $1.49 | HK$ 11.70 at -10% |
 South Korean Won |
₩ 2300 | $1.67 | -15.74% | $1.50 | ₩ 2070 at -10% |
 Singapore Dollar |
S$2.15 | $1.68 | -15.42% | $1.51 | S$1.93 at -10% |
 New Zealand Dollar |
NZ$ 2.99 | $1.80 | -9.25% | $1.62 | NZ$ 2.69 at -10% |
 Costa Rican Colon |
₡950 | $1.88 | -5.44% | $1.69 | ₡855 at -10% |
 Canadian Dollar |
CDN$ 2.59 | $1.89 | -4.62% | $1.70 | CDN$ 2.33 at -10% |
 Australian Dollar |
A$ 2.95 | $1.94 | -2.17% | $1.74 | A$ 2.65 at -10% |
 Israeli New Shekel |
₪7.25 | $2.17 | +9.12% | $1.95 | ₪6.52 at -10% |
 Norwegian Krone |
22,25 kr | $2.20 | +10.59% | $1.98 | 20,02 kr at -10% |
 British Pound |
£1.69 | $2.28 | +14.85% | $2.05 | £1.52 at -10% |
 Euro |
1,99€ | $2.34 | +17.64% | $2.10 | 1,79€ at -10% |
 Polish Zloty |
8,99zł | $2.48 | +24.84% | $2.23 | 8,09zł at -10% |
 Swiss Franc |
CHF 2.25 | $2.82 | +42.09% | $2.53 | CHF 2.02 at -10% |
Valve suggested prices are shown on package pages.
Price history
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Additional Information
This dlc is excluded from Steam Family Sharing because: Parent app is excluded
| Developer | Messier Games | |
| controller_support | partial | |
| DLCForAppID | Opus Castle (1725660) | |
| MustOwnAppToPurchase | Opus Castle (1725660) | |
| DLCAvailableOnStore | Yes | |
| ReleaseState | released | |
| Exclude from family sharing (exfgls) | 9 (Parent app is excluded) | |
| Store Release Date | 12 May 2025 – 13:24:31 UTC ( |
|
| osarch | empty string | |
| Primary Genre | Action (1) | |
| Store Genres | Action (1), Adventure (25) | |
| Steam Release Date | 31 December 2025 – 08:00:00 UTC ( |
|
| Store Asset Modification Time | 22 April 2025 – 19:09:04 UTC ( |
|
| osextended | empty string | |
| Content Descriptors | Frequent Violence or Gore (2), General Mature Content (5) | |
| store_screenshot | 04d439f6f4b6d5be8dc5f8d7e2232bc1afbb8d4c/ss_04d439f6f4b6d5be8dc5f8d7e2232bc1afbb8d4c.jpg | |
| First seen on SteamDB | 8 April 2025 – 14:13:37 UTC ( |
|
| Content Descriptors (Including DLC) | Frequent Violence or Gore (2), General Mature Content (5) |
Supported Languages
| 2 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | |
| Portuguese - Brazil | Yes | Yes | Yes |
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