Quantum Suicide
| App ID | 1020030 |
| App Type | Game |
| Developer | Cotton Candy Cyanide |
| Publisher | Cotton Candy Cyanide |
| Supported Systems | Windows macOS Linux |
| Technologies | PyGame Engine, RenPy Engine |
| Last Changenumber | 28850405 |
| Last Record Update | 6 May 2025 – 22:42:30 UTC ( |
| Release Date | 10 September 2020 – 11:47:49 UTC ( |
Quantum Suicide is a game of betrayal, deception and romance in the cold depths of space.
Steam price history
Special Promotion, offer ends 10 July 2025 – 17:00:00 UTC
Current Price
$9.99 at -50%
Lowest Recorded Price
$9.99 at -50%
7 August 2023
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
$9.99 at -50% | $9.99 | $9.99 | $9.99 at -50% | |
 Kazakhstani Tenge |
1325₸ at -50% | $2.54 | -74.50% | $2.54 | 1325₸ at -50% |
 Russian Ruble |
217 ₽ at -50% | $2.77 | -72.22% | $2.77 | 217 ₽ at -50% |
 Indian Rupee |
₹ 264 at -50% | $3.07 | -69.18% | $3.07 | ₹ 264 at -50% |
 Ukrainian Hryvnia |
139₴ at -50% | $3.32 | -66.70% | $3.32 | 139₴ at -50% |
 Indonesian Rupiah |
Rp 54499 at -50% | $3.37 | -66.23% | $3.37 | Rp 54499 at -50% |
 Brazilian Real |
R$ 18,99 at -50% | $3.49 | -65.02% | $3.49 | R$ 18,99 at -50% |
 Vietnamese Dong |
94000₫ at -50% | $3.59 | -63.98% | $3.59 | 94000₫ at -50% |
 South African Rand |
R 65.00 at -50% | $3.67 | -63.25% | $3.67 | R 65.00 at -50% |
 Colombian Peso |
COL$ 15500 at -50% | $3.79 | -61.99% | $3.79 | COL$ 15500 at -50% |
 Philippine Peso |
₱224.97 at -50% | $3.99 | -60.01% | $3.99 | ₱224.97 at -50% |
 South Asia - USD |
$4.09 at -50% | $4.09 | -59.06% | $4.09 | $4.09 at -50% |
 Chilean Peso |
CLP$ 3850 at -50% | $4.13 | -58.63% | $4.13 | CLP$ 3850 at -50% |
 Thai Baht |
฿144.50 at -50% | $4.45 | -55.43% | $4.45 | ฿144.50 at -50% |
 Malaysian Ringgit |
RM19.50 at -50% | $4.62 | -53.66% | $4.62 | RM19.50 at -50% |
 Saudi Riyal |
17.47 SR at -50% | $4.65 | -53.37% | $4.65 | 17.47 SR at -50% |
 Chinese Yuan |
¥ 35 at -50% | $4.88 | -51.10% | $4.88 | ¥ 35 at -50% |
 Mexican Peso |
Mex$ 92.99 at -50% | $4.95 | -50.40% | $4.95 | Mex$ 92.99 at -50% |
 Peruvian Sol |
S/.18.50 at -50% | $5.21 | -47.81% | $5.21 | S/.18.50 at -50% |
 CIS - U.S. Dollar |
$5.24 at -50% | $5.24 | -47.55% | $5.24 | $5.24 at -50% |
 Uruguayan Peso |
$U214 at -50% | $5.32 | -46.71% | $5.32 | $U214 at -50% |
 Taiwan Dollar |
NT$ 159 at -50% | $5.44 | -45.54% | $5.44 | NT$ 159 at -50% |
 Kuwaiti Dinar |
1.67 KD at -50% | $5.46 | -45.30% | $5.46 | 1.67 KD at -50% |
 Hong Kong Dollar |
HK$ 44.50 at -50% | $5.66 | -43.25% | $5.66 | HK$ 44.50 at -50% |
 Qatari Riyal |
20.99 QR at -50% | $5.76 | -42.29% | $5.76 | 20.99 QR at -50% |
 Japanese Yen |
¥ 999 at -50% | $6.93 | -30.57% | $6.93 | ¥ 999 at -50% |
 Norwegian Krone |
72,50 kr at -50% | $7.19 | -27.99% | $7.19 | 72,50 kr at -50% |
 U.A.E. Dirham |
26.50 AED at -50% | $7.21 | -27.77% | $7.21 | 26.50 AED at -50% |
 Singapore Dollar |
S$9.25 at -50% | $7.27 | -27.19% | $7.27 | S$9.25 at -50% |
 South Korean Won |
₩ 10250 at -50% | $7.57 | -24.18% | $7.57 | ₩ 10250 at -50% |
 New Zealand Dollar |
NZ$ 12.49 at -50% | $7.61 | -23.79% | $7.61 | NZ$ 12.49 at -50% |
 Australian Dollar |
A$ 12.49 at -50% | $8.21 | -17.72% | $8.21 | A$ 12.49 at -50% |
 Canadian Dollar |
CDN$ 11.39 at -50% | $8.36 | -16.30% | $8.36 | CDN$ 11.39 at -50% |
 Costa Rican Colon |
₡4250 at -50% | $8.42 | -15.70% | $8.42 | ₡4250 at -50% |
 Euro |
7,49€ at -50% | $8.82 | -11.68% | $8.82 | 7,49€ at -50% |
 Polish Zloty |
35,99zł at -50% | $9.98 | -0.05% | $9.98 | 35,99zł at -50% |
 LATAM - U.S. Dollar |
$9.99 at -50% | $9.99 | $9.99 | $9.99 at -50% | |
 MENA - U.S. Dollar |
$9.99 at -50% | $9.99 | $9.99 | $9.99 at -50% | |
 British Pound |
£7.49 at -50% | $10.28 | +2.91% | $10.28 | £7.49 at -50% |
 Israeli New Shekel |
₪36.97 at -50% | $10.97 | +9.89% | $10.97 | ₪36.97 at -50% |
 Swiss Franc |
CHF 9.75 at -50% | $12.28 | +23.01% | $12.28 | CHF 9.75 at -50% |
Valve suggested prices are shown on package pages.
Price history
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Additional Information
| Developer | Cotton Candy Cyanide | |||||||||||||||
| metacritic_name | Quantum Suicide | |||||||||||||||
| controller_support | full | |||||||||||||||
| community_visible_stats | Yes | |||||||||||||||
| ReleaseState | released | |||||||||||||||
| Publisher | Cotton Candy Cyanide | |||||||||||||||
| eulas |
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| Store Release Date | 10 September 2020 – 07:00:00 UTC ( |
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| osarch | 64 | |||||||||||||||
| community_hub_visible | Yes | |||||||||||||||
| Social Media | https://x.com/CottonCandyCN https://www.youtube.com/cottoncandycyanidecn/ |
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| Primary Genre | Adventure (25) | |||||||||||||||
| Store Genres | Adventure (25), Casual (4), Indie (23) | |||||||||||||||
| Steam Release Date | 10 September 2020 – 11:47:49 UTC ( |
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| Original Release Date | 10 September 2020 – 07:00:00 UTC ( |
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| Store Asset Modification Time | 31 October 2022 – 12:36:15 UTC ( |
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| osextended | macos64 | |||||||||||||||
| review_score | 6 | |||||||||||||||
| review_percentage | 78 | |||||||||||||||
| Detected Technologies (?) | PyGame Engine, RenPy Engine, Python SDK, SDL SDK | |||||||||||||||
| Content Descriptors | Some Nudity or Sexual Content (1), Frequent Violence or Gore (2), General Mature Content (5) | |||||||||||||||
| First seen on SteamDB | 22 January 2019 – 06:34:43 UTC ( |
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| Content Descriptors (Including DLC) | Some Nudity or Sexual Content (1), Frequent Violence or Gore (2), General Mature Content (5) | |||||||||||||||
Supported Languages
| 2 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| Japanese | Yes | Yes | Yes |
Assets
Load all asset images| clienticon | c16abe878637aca685f13858d70a80ce23e7599a | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| icon | 508f20aac0d48571b4192a50e036b3cd45b5973c | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| logo | b217a2eca4b299f4d985d7020b9f5de25454200d | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| logo_small | b217a2eca4b299f4d985d7020b9f5de25454200d_thumb | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| LinuxClientIcon | bcff1b75ee2c67240438e1a0edcd285a88717748 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Assets |
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