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  1. All games
Quantum Suicide cover art

Quantum Suicide

Cotton Candy Cyanide

Released
10 Sep 2020
Platforms
AppleLinux
Last updated
18 Sep 2026, 17:23
Wishlist on SteamAdd it on the Steam store page. Opens in a new tab.
Visual NovelStory RichMysteryChoices Matter
Latest players
1
Player history
Steam reviews
0
0 reviews
Steam followers
—
Follower history
United States store
$19.99
Regional prices
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    Watch

    Prices

    United States pricing · checked via Japan · JPY

    Price history

    Loading price chart…

    Regional prices

    41 pricing buckets

    Converted to JPY · compared with Japan (− cheaper) · Select a store to chart or compare.

    Steam pricing buckets
    Store / currencySteam priceConverted · JPYRecorded low · JPY
    Japanese YenJPY · Selected store · Chart
    ¥1,999
    ¥1,999
    ¥1,999

    Converted with Frankfurter rates (2026-09-24–2026-09-26). Recorded lows use the same rates. Steam checkout prices may differ.

    Russian RubleRUBCompare
    RUB 435.00
    ≈ ¥813−59.35%
    ≈ ¥813
    Indian RupeeINRCompare
    ₹529.00
    ≈ ¥874−56.30%
    ≈ ¥874
    Kazakhstani TengeKZTCompare
    KZT 2,650.00
    ≈ ¥947−52.65%
    ≈ ¥947
    Indonesian RupiahIDRCompare
    IDR 108,999
    ≈ ¥964−51.80%
    ≈ ¥964
    Ukrainian HryvniaUAHCompare
    UAH 279.00
    ≈ ¥984−50.79%
    ≈ ¥984
    Philippine PesoPHPCompare
    ₱449.95
    ≈ ¥1,138−43.08%
    ≈ ¥1,138
    Vietnamese DongVNDCompare
    ₫188,000
    ≈ ¥1,147−42.61%
    ≈ ¥1,147
    Brazilian RealBRLCompare
    R$37.99
    ≈ ¥1,161−41.94%
    ≈ ¥1,161
    South African RandZARCompare
    ZAR 130.00
    ≈ ¥1,259−37.01%
    ≈ ¥1,259
    Chilean PesoCLPCompare
    CLP 7,700
    ≈ ¥1,264−36.76%
    ≈ ¥1,264
    South Asia region · U.S. dollarUSD_SASIA · 5 storesCompare
    $8.19
    ≈ ¥1,296−35.17%
    ≈ ¥1,296
    Thai BahtTHBCompare
    THB 289.00
    ≈ ¥1,370−31.48%
    ≈ ¥1,370
    Saudi RiyalSARCompare
    SAR 34.95
    ≈ ¥1,475−26.20%
    ≈ ¥1,475
    Colombian PesoCOPCompare
    COP 31,000
    ≈ ¥1,480−25.97%
    ≈ ¥1,480
    Malaysian RinggitMYRCompare
    MYR 39.00
    ≈ ¥1,514−24.26%
    ≈ ¥1,514
    New Taiwan DollarTWDCompare
    NT$318.00
    ≈ ¥1,583−20.81%
    ≈ ¥1,583
    Chinese YuanCNYCompare
    CN¥70.00
    ≈ ¥1,652−17.37%
    ≈ ¥1,652
    CIS region · U.S. dollarUSD_CIS · 9 storesCompare
    $10.49
    ≈ ¥1,660−16.97%
    ≈ ¥1,660
    Mexican PesoMXNCompare
    MX$185.99
    ≈ ¥1,667−16.61%
    ≈ ¥1,667
    Uruguayan PesoUYUCompare
    UYU 429.00
    ≈ ¥1,690−15.45%
    ≈ ¥1,690
    Kuwaiti DinarKWDCompare
    KWD 3.350
    ≈ ¥1,718−14.06%
    ≈ ¥1,718
    Peruvian SolPENCompare
    PEN 37.00
    ≈ ¥1,719−14.03%
    ≈ ¥1,719
    Hong Kong DollarHKDCompare
    HK$89.00
    ≈ ¥1,795−10.20%
    ≈ ¥1,795
    Qatari RiyalQARCompare
    QAR 41.99
    ≈ ¥1,826−8.63%
    ≈ ¥1,826
    New Zealand DollarNZDCompare
    NZ$24.99
    ≈ ¥2,243+12.22%
    ≈ ¥2,243
    United Arab Emirates DirhamAEDCompare
    AED 53.00
    ≈ ¥2,284+14.28%
    ≈ ¥2,284
    Singapore DollarSGDCompare
    SGD 18.50
    ≈ ¥2,290+14.54%
    ≈ ¥2,290
    South Korean WonKRWCompare
    ₩20,500
    ≈ ¥2,382+19.14%
    ≈ ¥2,382
    Norwegian KroneNOKCompare
    NOK 145.00
    ≈ ¥2,417+20.91%
    ≈ ¥2,417
    Canadian DollarCADCompare
    CA$22.79
    ≈ ¥2,555+27.81%
    ≈ ¥2,555
    EuroEUR · 45 storesCompare
    €14.99
    ≈ ¥2,706+35.36%
    ≈ ¥2,706
    Australian DollarAUDCompare
    A$24.99
    ≈ ¥2,780+39.06%
    ≈ ¥2,780
    Polish ZlotyPLNCompare
    PLN 71.99
    ≈ ¥2,965+48.32%
    ≈ ¥2,965
    Costa Rican ColónCRCCompare
    CRC 8,500.00
    ≈ ¥2,966+48.38%
    ≈ ¥2,966
    British PoundGBP · 5 storesCompare
    £14.99
    ≈ ¥3,149+57.54%
    ≈ ¥3,149
    Latin America region · U.S. dollarUSD_LATAM · 13 storesCompare
    $19.99
    ≈ ¥3,163+58.23%
    ≈ ¥3,163
    Middle East & North Africa · U.S. dollarUSD_MENA · 14 storesCompare
    $19.99
    ≈ ¥3,163+58.23%
    ≈ ¥3,163
    US DollarUSD · 123 storesCompare
    $19.99
    ≈ ¥3,163+58.23%
    ≈ ¥3,163
    Swiss FrancCHF · 2 storesCompare
    CHF 19.50
    ≈ ¥3,728+86.52%
    ≈ ¥3,728
    Israeli New ShekelILSCompare
    ₪73.95
    ≈ ¥3,854+92.77%
    ≈ ¥3,854