Opus Castle - Chapter 6
| App ID | 3654310 |
| App Type | DLC |
| Developer | Messier Games |
| Publisher | QUByte Interactive |
| Franchise | Opus Castle, QUByte Interactive |
| Supported Systems | Windows |
| Last Changenumber | 28942706 |
| Last Record Update | 12 May 2025 – 16:02:17 UTC ( |
| Release Date | 12 May 2025 – 13:25:17 UTC ( |
| Parent App | Opus Castle (1725660) |
The final reckoning. Chapter 6 delivers the ending your choices shaped. Will you find peace—or be trapped forever?
Steam price history
Special Promotion, ends 3 November 2025
Current Price
-10% $1.79
Lowest Recorded Price
$1.79 at -10%
12 June 2025
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
-10% $1.79 | $1.79 | $1.79 | $1.79 at -10% | |
 Russian Ruble |
-11% 73 ₽ | $0.92 | -48.54% | $0.92 | 73 ₽ at -11% |
 Kazakhstani Tenge |
-10% 540₸ | $1.00 | -43.91% | $1.00 | 540₸ at -10% |
 Brazilian Real |
-10% R$ 5,39 | $1.00 | -43.86% | $1.00 | R$ 5,39 at -10% |
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-10% 27000₫ | $1.02 | -42.70% | $1.02 | 27000₫ at -10% |
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-10% Rp 17549 | $1.05 | -40.92% | $1.05 | Rp 17549 at -10% |
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-10% ₹ 94 | $1.06 | -40.48% | $1.06 | ₹ 94 at -10% |
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-10% $1.16 | $1.16 | -35.20% | $1.16 | $1.16 at -10% |
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-10% RM5.12 | $1.21 | -31.86% | $1.21 | RM5.12 at -10% |
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-10% CLP$ 1170 | $1.24 | -30.55% | $1.24 | CLP$ 1170 at -10% |
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-10% $1.25 | $1.25 | -30.17% | $1.25 | $1.25 at -10% |
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-10% 4.72 SR | $1.25 | -29.69% | $1.25 | 4.72 SR at -10% |
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-10% COL$ 4950 | $1.27 | -28.76% | $1.27 | COL$ 4950 at -10% |
 Kuwaiti Dinar |
-11% 0.40 KD | $1.30 | -27.13% | $1.30 | 0.40 KD at -11% |
 Taiwan Dollar |
-11% NT$ 40 | $1.30 | -26.93% | $1.30 | NT$ 40 at -11% |
 Thai Baht |
-10% ฿42.30 | $1.30 | -26.83% | $1.30 | ฿42.30 at -10% |
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-10% Mex$ 24.29 | $1.31 | -26.31% | $1.31 | Mex$ 24.29 at -10% |
 Peruvian Sol |
-10% S/.4.50 | $1.32 | -25.79% | $1.32 | S/.4.50 at -10% |
 LATAM - U.S. Dollar |
-10% $1.34 | $1.34 | -25.14% | $1.34 | $1.34 at -10% |
 MENA - U.S. Dollar |
-10% $1.34 | $1.34 | -25.14% | $1.34 | $1.34 at -10% |
 Qatari Riyal |
-10% 4.94 QR | $1.35 | -24.34% | $1.35 | 4.94 QR at -10% |
 Japanese Yen |
-10% ¥ 211 | $1.38 | -22.52% | $1.38 | ¥ 211 at -10% |
 Chinese Yuan |
-10% ¥ 9.90 | $1.39 | -22.09% | $1.39 | ¥ 9.90 at -10% |
 Uruguayan Peso |
-11% $U57 | $1.43 | -20.10% | $1.43 | $U57 at -11% |
 South Korean Won |
-10% ₩ 2070 | $1.44 | -19.29% | $1.44 | ₩ 2070 at -10% |
 U.A.E. Dirham |
-10% 5.40 AED | $1.47 | -17.87% | $1.47 | 5.40 AED at -10% |
 Singapore Dollar |
-10% S$1.93 | $1.49 | -16.65% | $1.49 | S$1.93 at -10% |
 Hong Kong Dollar |
-10% HK$ 11.70 | $1.50 | -15.87% | $1.50 | HK$ 11.70 at -10% |
 New Zealand Dollar |
-10% NZ$ 2.69 | $1.55 | -13.15% | $1.55 | NZ$ 2.69 at -10% |
 Canadian Dollar |
-10% CDN$ 2.33 | $1.67 | -6.60% | $1.67 | CDN$ 2.33 at -10% |
 Costa Rican Colon |
-10% ₡855 | $1.70 | -4.79% | $1.70 | ₡855 at -10% |
 Australian Dollar |
-10% A$ 2.65 | $1.74 | -2.53% | $1.74 | A$ 2.65 at -10% |
 Israeli New Shekel |
-10% ₪6.52 | $2.00 | +11.82% | $2.00 | ₪6.52 at -10% |
 Norwegian Krone |
-10% 20,02 kr | $2.00 | +12.22% | $2.00 | 20,02 kr at -10% |
 British Pound |
-10% £1.52 | $2.01 | +12.75% | $2.01 | £1.52 at -10% |
 Euro |
-10% 1,79€ | $2.08 | +16.59% | $2.08 | 1,79€ at -10% |
 Polish Zloty |
-10% 8,09zł | $2.22 | +24.56% | $2.22 | 8,09zł at -10% |
 Swiss Franc |
-10% CHF 2.02 | $2.54 | +42.36% | $2.54 | CHF 2.02 at -10% |
Valve suggested prices are shown on package pages.
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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 | |
| Publisher | QUByte Interactive | |
| Exclude from family sharing (exfgls) | 9 (Parent app is excluded) | |
| Store Release Date | 12 May 2025 – 13:25:21 UTC ( |
|
| osarch | empty string | |
| Primary Genre | Action (1) | |
| Store Genres | Action (1), Adventure (25) | |
| Steam Release Date | 12 May 2025 – 13:25:17 UTC ( |
|
| Store Asset Modification Time | 22 April 2025 – 19:20:56 UTC ( |
|
| osextended | empty string | |
| Content Descriptors | Frequent Violence or Gore (2), General Mature Content (5) | |
| First seen on SteamDB | 8 April 2025 – 14:13:54 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 |
