Who Am I エラーコード：九十九
| App ID | 3423270 |
| App Type | Game |
| Developer | 奥羽電影 |
| Publisher | 奥羽電影 |
| Supported Systems | Windows |
| Last Changenumber | 31373858 |
| Last Record Update | 29 September 2025 – 14:59:46 UTC ( |
| Release Date | 29 September 2025 – 14:59:48 UTC ( |
Who Am I: Error Code 99 is an action novel game where you save memories and uncover the truth.When you wake up, you find yourself in an unfamiliar place.Where is this?Who am I?In search of answers, the protagonist wanders through Toan, a city of desire and despair.
Steam price history
Introductory Offer, ends 13 October 2025
Current Price
-10% $4.49
Lowest Recorded Price
$4.49 at -10%
29 September 2025
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
-10% $4.49 | $4.49 | $4.49 | $4.49 at -10% | |
 Russian Ruble |
-10% 180 ₽ | $2.21 | -50.67% | $2.21 | 180 ₽ at -10% |
 Vietnamese Dong |
-10% 66000₫ | $2.50 | -44.19% | $2.50 | 66000₫ at -10% |
 Kazakhstani Tenge |
-10% 1350₸ | $2.51 | -43.96% | $2.51 | 1350₸ at -10% |
 Indian Rupee |
-10% ₹ 225 | $2.53 | -43.54% | $2.53 | ₹ 225 at -10% |
 Indonesian Rupiah |
-10% Rp 42749 | $2.57 | -42.66% | $2.57 | Rp 42749 at -10% |
 South African Rand |
-10% R 46.80 | $2.67 | -40.44% | $2.67 | R 46.80 at -10% |
 Ukrainian Hryvnia |
-10% 111₴ | $2.67 | -40.44% | $2.67 | 111₴ at -10% |
 LATAM - U.S. Dollar |
-10% $2.69 | $2.69 | -40.09% | $2.69 | $2.69 at -10% |
 MENA - U.S. Dollar |
-10% $2.69 | $2.69 | -40.09% | $2.69 | $2.69 at -10% |
 South Asia - USD |
-10% $2.69 | $2.69 | -40.09% | $2.69 | $2.69 at -10% |
 Philippine Peso |
-10% ₱157.45 | $2.69 | -39.88% | $2.69 | ₱157.45 at -10% |
 Brazilian Real |
-10% R$ 15,29 | $2.77 | -38.29% | $2.77 | R$ 15,29 at -10% |
 Chinese Yuan |
-10% ¥ 19.80 | $2.77 | -38.11% | $2.77 | ¥ 19.80 at -10% |
 Chilean Peso |
-10% CLP$ 2700 | $2.82 | -37.02% | $2.82 | CLP$ 2700 at -10% |
 Saudi Riyal |
-10% 10.75 SR | $2.86 | -36.15% | $2.86 | 10.75 SR at -10% |
 CIS - U.S. Dollar |
-10% $2.96 | $2.96 | -34.08% | $2.96 | $2.96 at -10% |
 Taiwan Dollar |
-11% NT$ 91 | $2.96 | -34.03% | $2.96 | NT$ 91 at -11% |
 Malaysian Ringgit |
-10% RM12.59 | $2.97 | -33.63% | $2.97 | RM12.59 at -10% |
 Mexican Peso |
-10% Mex$ 58.04 | $3.12 | -30.48% | $3.12 | Mex$ 58.04 at -10% |
 Colombian Peso |
-10% COL$ 12150 | $3.14 | -30.06% | $3.14 | COL$ 12150 at -10% |
 Peruvian Sol |
-10% S/.10.80 | $3.15 | -29.63% | $3.15 | S/.10.80 at -10% |
 Thai Baht |
-10% ฿103.50 | $3.17 | -29.18% | $3.17 | ฿103.50 at -10% |
 Qatari Riyal |
-10% 11.69 QR | $3.20 | -28.53% | $3.20 | 11.69 QR at -10% |
 Kuwaiti Dinar |
-10% 0.99 KD | $3.23 | -28.05% | $3.23 | 0.99 KD at -10% |
 Japanese Yen |
-10% ¥ 522 | $3.45 | -23.11% | $3.45 | ¥ 522 at -10% |
 South Korean Won |
-10% ₩ 5040 | $3.52 | -21.48% | $3.52 | ₩ 5040 at -10% |
 Uruguayan Peso |
-10% $U143 | $3.56 | -20.52% | $3.56 | $U143 at -10% |
 Singapore Dollar |
-10% S$4.72 | $3.63 | -19.00% | $3.63 | S$4.72 at -10% |
 U.A.E. Dirham |
-10% 13.50 AED | $3.67 | -18.13% | $3.67 | 13.50 AED at -10% |
 New Zealand Dollar |
-10% NZ$ 6.65 | $3.80 | -15.27% | $3.80 | NZ$ 6.65 at -10% |
 Hong Kong Dollar |
-10% HK$ 29.70 | $3.81 | -15.01% | $3.81 | HK$ 29.70 at -10% |
 Canadian Dollar |
-10% CDN$ 5.84 | $4.16 | -7.19% | $4.16 | CDN$ 5.84 at -10% |
 Costa Rican Colon |
-10% ₡2160 | $4.31 | -4.00% | $4.31 | ₡2160 at -10% |
 Australian Dollar |
-10% A$ 6.75 | $4.37 | -2.66% | $4.37 | A$ 6.75 at -10% |
 Norwegian Krone |
-10% 49,94 kr | $4.93 | +9.87% | $4.93 | 49,94 kr at -10% |
 Israeli New Shekel |
-10% ₪16.65 | $5.08 | +13.30% | $5.08 | ₪16.65 at -10% |
 British Pound |
-10% £3.86 | $5.15 | +14.79% | $5.15 | £3.86 at -10% |
 Euro |
-10% 4,49€ | $5.21 | +16.20% | $5.21 | 4,49€ at -10% |
 Polish Zloty |
-10% 20,69zł | $5.63 | +25.60% | $5.63 | 20,69zł at -10% |
 Swiss Franc |
-10% CHF 4.94 | $6.17 | +37.62% | $6.17 | CHF 4.94 at -10% |
Valve suggested prices are shown on package pages.
Price history
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Additional Information
| Developer | 奥羽電影 | |||||||||||||||||||
| community_visible_stats | Yes | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | 奥羽電影 | |||||||||||||||||||
| Store Release Date | 29 September 2025 – 14:59:48 UTC ( |
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| osarch | empty string | |||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||
| Social Media | https://www.twitch.tv/misato310 https://x.com/OUDENEI https://www.youtube.com/@%E5%A5%A5%E7%BE%BD%E9%9B%BB%E5%BD%B1-r6z |
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| Primary Genre | Indie (23) | |||||||||||||||||||
| Store Genres | Adventure (25), Casual (4), Indie (23) | |||||||||||||||||||
| Store Asset Modification Time | 2 August 2025 – 10:30:34 UTC ( |
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| osextended | empty string | |||||||||||||||||||
| Content Descriptors | Frequent Violence or Gore (2), General Mature Content (5) | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| AI Content Type | 1 | |||||||||||||||||||
| First seen on SteamDB | 23 December 2024 – 12:14:29 UTC ( |
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| Content Descriptors (Including DLC) | Frequent Violence or Gore (2), General Mature Content (5) | |||||||||||||||||||
Supported Languages
| 1 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| Japanese | Yes | Yes |
Assets
Load all asset images| clienticon | c64228ce7610a6c786c7aefe9727dc3eb5330089 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| icon | 366f297bbb5174f9195ae9365e454cb9e448471c | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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