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Quantum Suicide

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App ID 1020030
App Type Game
Developer
Publisher Cotton Candy Cyanide
Supported Systems Windows macOS Linux
Technologies PyGame Engine, RenPy Engine
Last Changenumber 30022032
Last Record Update 12 July 2025 – 01:00:18 UTC ()
Release Date 10 September 2020 – 11:47:49 UTC ()
❓ 71.50%
115 reviews
0
In-Game
📚 Visual Novel 📚 Story Rich 🤫 Mystery 🧞 Choices Matter 🔚 Multiple Endings

Quantum Suicide is a game of betrayal, deception and romance in the cold depths of space.

Steam price history

Current Price $19.99
Lowest Recorded Price $9.99 at -50% 7 August 2023
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar $19.99 $19.99 $9.99 $9.99 at -50%
Kazakhstani Tenge 2650₸ $4.92 -75.38% $2.46 1325₸ at -50%
Russian Ruble 435 ₽ $5.46 -72.67% $2.72 217 ₽ at -50%
Indian Rupee ₹ 529 $6.02 -69.87% $3.00 ₹ 264 at -50%
Indonesian Rupiah Rp 108999 $6.56 -67.17% $3.28 Rp 54499 at -50%
Ukrainian Hryvnia 279₴ $6.67 -66.61% $3.32 139₴ at -50%
Brazilian Real R$ 37,99 $7.04 -64.74% $3.52 R$ 18,99 at -50%
Vietnamese Dong 188000₫ $7.14 -64.24% $3.57 94000₫ at -50%
South African Rand R 130.00 $7.53 -62.32% $3.76 R 65.00 at -50%
Philippine Peso ₱449.95 $7.65 -61.69% $3.82 ₱224.97 at -50%
Colombian Peso COL$ 31000 $7.98 -60.06% $3.99 COL$ 15500 at -50%
Chilean Peso CLP$ 7700 $8.17 -59.10% $4.08 CLP$ 3850 at -50%
South Asia - USD $8.19 $8.19 -59.03% $4.09 $4.09 at -50%
Thai Baht ฿289.00 $8.85 -55.72% $4.42 ฿144.50 at -50%
Malaysian Ringgit RM39.00 $9.23 -53.81% $4.61 RM19.50 at -50%
Saudi Riyal 34.95 SR $9.31 -53.38% $4.65 17.47 SR at -50%
Chinese Yuan ¥ 70 $9.82 -50.83% $4.91 ¥ 35 at -50%
Mexican Peso Mex$ 185.99 $10.07 -49.58% $5.03 Mex$ 92.99 at -50%
Taiwan Dollar NT$ 318 $10.30 -48.43% $5.15 NT$ 159 at -50%
CIS - U.S. Dollar $10.49 $10.49 -47.52% $5.24 $5.24 at -50%
Uruguayan Peso $U429 $10.75 -46.17% $5.36 $U214 at -50%
Kuwaiti Dinar 3.35 KD $10.92 -45.35% $5.44 1.67 KD at -50%
Peruvian Sol S/.37.00 $10.93 -45.31% $5.46 S/.18.50 at -50%
Hong Kong Dollar HK$ 89.00 $11.45 -42.70% $5.72 HK$ 44.50 at -50%
Qatari Riyal 41.99 QR $11.53 -42.31% $5.76 20.99 QR at -50%
Japanese Yen ¥ 1999 $13.08 -34.56% $6.53 ¥ 999 at -50%
Singapore Dollar S$18.50 $14.24 -28.76% $7.12 S$9.25 at -50%
South Korean Won ₩ 20500 $14.24 -28.73% $7.12 ₩ 10250 at -50%
New Zealand Dollar NZ$ 24.99 $14.36 -28.13% $7.18 NZ$ 12.49 at -50%
U.A.E. Dirham 53.00 AED $14.42 -27.82% $7.21 26.50 AED at -50%
Norwegian Krone 145,00 kr $14.47 -27.59% $7.23 72,50 kr at -50%
Australian Dollar A$ 24.99 $16.27 -18.60% $8.13 A$ 12.49 at -50%
Canadian Dollar CDN$ 22.79 $16.27 -18.59% $8.13 CDN$ 11.39 at -50%
Costa Rican Colon ₡8500 $16.92 -15.33% $8.46 ₡4250 at -50%
Euro 14,99€ $17.42 -12.83% $8.70 7,49€ at -50%
Polish Zloty 71,99zł $19.71 -1.35% $9.85 35,99zł at -50%
British Pound £14.99 $19.94 -0.22% $9.96 £7.49 at -50%
LATAM - U.S. Dollar $19.99 $19.99 $9.99 $9.99 at -50%
MENA - U.S. Dollar $19.99 $19.99 $9.99 $9.99 at -50%
Israeli New Shekel ₪73.95 $22.51 +12.61% $11.25 ₪36.97 at -50%
Swiss Franc CHF 19.50 $24.51 +22.63% $12.25 CHF 9.75 at -50%
Valve suggested prices are shown on package pages.

Price history

Initializing price history graph…

Click on a currency name to load price history for that particular currency.
View lowest recorded prices on Steam store pages by using our browser extension.

Additional Information

Developer Cotton Candy Cyanide
metacritic_name Quantum Suicide
controller_support full
community_visible_stats Yes
ReleaseState released
Publisher Cotton Candy Cyanide
eulas
0 ↴
id1020030_eula_0
nameQuantum Suicide EULA
urlhttps://store.steampowered.com//eula/1020030_eula_0
Store Release Date 10 September 2020 – 07:00:00 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://x.com/CottonCandyCN
https://www.youtube.com/cottoncandycyanidecn/
Primary Genre Adventure (25)
Store Genres Adventure (25), Casual (4), Indie (23)
Steam Release Date 10 September 2020 – 11:47:49 UTC ()
Original Release Date 10 September 2020 – 07:00:00 UTC () (1599721200)
Store Asset Modification Time 31 October 2022 – 12:36:15 UTC () (1667219775)
library_assets
library_capsuleen
library_heroen
library_logoen
logo_position ↴
pinned_positionCenterCenter
width_pct100
height_pct100
osextended macos64
review_score 6
review_percentage 78
Detected Technologies (?) PyGame Engine, RenPy Engine, Python SDK, SDL SDK
Steam Deck Compatibility
  • Steam Deck:
  • Some in-game text is small and may be difficult to read
  • All functionality is accessible when using the default controller configuration
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 5 July 2025 – 00:00:00 UTC
  • tested_build_id: 7625384
  • configuration:
    supported_inputother
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs0
    small_text1
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimenative
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
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 (), in changelist #5703728
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
clienttga 05c4976665412f153bf791146fc7378bee475d0b
icon 508f20aac0d48571b4192a50e036b3cd45b5973c
logo b217a2eca4b299f4d985d7020b9f5de25454200d
logo_small b217a2eca4b299f4d985d7020b9f5de25454200d_thumb
LinuxClientIcon bcff1b75ee2c67240438e1a0edcd285a88717748
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image2x/englishlibrary_600x900_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
library_logo ↴
image/englishlogo.png
image2x/englishlogo_2x.png
logo_position/pinned_positionCenterCenter
logo_position/width_pct100
logo_position/height_pct100
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulehero_capsule.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
community_icon508f20aac0d48571b4192a50e036b3cd45b5973c.jpg
page_background_pathapp/1020030
raw_page_backgroundpage_bg_raw.jpg
timestamp4 March 2025 – 13:22:21 UTC

Trailer 308372 ↴

trailer_name Release Date Trailer
trailer_category 0
trailer_480p ↴
video/webm 256798768/movie480_vp9.webm
video/mp4 256798768/movie480.mp4
trailer_max ↴
video/webm 256798768/movie_max_vp9.webm
video/mp4 256798768/movie_max.mp4
microtrailer ↴
video/webm 1020030/308372/e2bf20ac06b5ad73e991b0af4825ab7a4392f5fa/1751177433/microtrailer.webm
video/mp4 1020030/308372/e2bf20ac06b5ad73e991b0af4825ab7a4392f5fa/1751177433/microtrailer.mp4
adaptive_trailers ↴
dash_av1 1020030/308372/e2bf20ac06b5ad73e991b0af4825ab7a4392f5fa/1751177433/dash_av1.mpd
dash_h264 1020030/308372/e2bf20ac06b5ad73e991b0af4825ab7a4392f5fa/1751177433/dash_h264.mpd
hls_h264 1020030/308372/e2bf20ac06b5ad73e991b0af4825ab7a4392f5fa/1751177433/hls_264_master.m3u8
screenshot_medium 256798768/movie.293x165.jpg
screenshot_full 256798768/movie_full.jpg
all_ages true
is_highlight true
timestamp 27 August 2020 – 15:40:37 UTC

Trailer 240996 ↴

trailer_name Teaser
trailer_category 0
trailer_480p ↴
video/webm 256760792/movie480.webm
video/mp4 256760792/movie480.mp4
trailer_max ↴
video/webm 256760792/movie_max.webm
video/mp4 256760792/movie_max.mp4
microtrailer ↴
video/webm 1020030/240996/06673e95475ab9194bd7a4b822b213d6b36ff871/1751177427/microtrailer.webm
video/mp4 1020030/240996/06673e95475ab9194bd7a4b822b213d6b36ff871/1751177427/microtrailer.mp4
adaptive_trailers ↴
dash_av1 1020030/240996/06673e95475ab9194bd7a4b822b213d6b36ff871/1751177427/dash_av1.mpd
dash_h264 1020030/240996/06673e95475ab9194bd7a4b822b213d6b36ff871/1751177427/dash_h264.mpd
hls_h264 1020030/240996/06673e95475ab9194bd7a4b822b213d6b36ff871/1751177427/hls_264_master.m3u8
screenshot_medium 256760792/movie.293x165.jpg
screenshot_full 256760792/movie_full.jpg
all_ages true
is_highlight true
timestamp 1 September 2019 – 16:20:34 UTC

Trailer 239294 ↴

trailer_name Short Quantum Suicide Trailer
trailer_category 0
trailer_480p ↴
video/webm 256759674/movie480.webm
video/mp4 256759674/movie480.mp4
trailer_max ↴
video/webm 256759674/movie_max.webm
video/mp4 256759674/movie_max.mp4
microtrailer ↴
video/webm 1020030/239294/b5037d8f76f09f1625ede379c7c0d882cbfa1321/1751177427/microtrailer.webm
video/mp4 1020030/239294/b5037d8f76f09f1625ede379c7c0d882cbfa1321/1751177427/microtrailer.mp4
adaptive_trailers ↴
dash_av1 1020030/239294/b5037d8f76f09f1625ede379c7c0d882cbfa1321/1751177427/dash_av1.mpd
dash_h264 1020030/239294/b5037d8f76f09f1625ede379c7c0d882cbfa1321/1751177427/dash_h264.mpd
hls_h264 1020030/239294/b5037d8f76f09f1625ede379c7c0d882cbfa1321/1751177427/hls_264_master.m3u8
screenshot_medium 256759674/movie.293x165.jpg
screenshot_full 256759674/movie_full.jpg
all_ages true
is_highlight true
timestamp 31 August 2019 – 15:23:36 UTC

Trailer 239293 ↴

trailer_name Full Quantum Suicide Trailer
trailer_category 0
trailer_480p ↴
video/webm 256759673/movie480.webm
video/mp4 256759673/movie480.mp4
trailer_max ↴
video/webm 256759673/movie_max.webm
video/mp4 256759673/movie_max.mp4
microtrailer ↴
video/webm 1020030/239293/dbf846b2ec6725956236f11e273d0fef1b293878/1751177426/microtrailer.webm
video/mp4 1020030/239293/dbf846b2ec6725956236f11e273d0fef1b293878/1751177426/microtrailer.mp4
adaptive_trailers ↴
dash_av1 1020030/239293/dbf846b2ec6725956236f11e273d0fef1b293878/1751177426/dash_av1.mpd
dash_h264 1020030/239293/dbf846b2ec6725956236f11e273d0fef1b293878/1751177426/dash_h264.mpd
hls_h264 1020030/239293/dbf846b2ec6725956236f11e273d0fef1b293878/1751177426/hls_264_master.m3u8
screenshot_medium 256759673/movie.293x165.jpg
screenshot_full 256759673/movie_full.jpg
all_ages true
is_highlight true
timestamp 31 August 2019 – 15:23:45 UTC
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