Who Am I エラーコード：九十九
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.
Last Updated: 10/13/2025
Who Am I エラーコード：九十九
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.
Last Updated: 10/13/2025
- Windows
- Mac
- Linux
About Who Am I エラーコード：九十九
Who Am I エラーコード：九十九 is a Casual, Adventure, and Indie game developed by 奥羽電影. On 9/29/2025, it was released on the Steam Store by 奥羽電影.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Who Am I エラーコード：九十九 supports the following features:
- Steam Achievements
- Single-player
- Family Sharing
From the Steam community, Who Am I エラーコード：九十九 has been tagged with the following user tags:
- Futuristic
- Text-Based
- Word Game
- Atmospheric
- Multiple Endings
- Story Rich
- Visual Novel
- Pixel Graphics
- Choices Matter
- Faith
- 2D Platformer
- Sci-fi
- Cyberpunk
- Casual
- Adventure
- Robots
- Singleplayer
- 2D
- Space
- Exploration
Media & Sceenshots
Watch the featured video for Who Am I エラーコード：九十九 and see the latest screenshots from the Steam Store.
Related Packages
Who Am I エラーコード：九十九 is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| Who Am I エラーコード：九十九 | $4.49 | View |
Discover Similar Games
Find a new game to play just like Who Am I エラーコード：九十九 through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to Who Am I エラーコード：九十九.
Features & Categories
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Who Am I エラーコード：九十九 data has been sourced from:
- Valve Corporation. (2025, October 13). Who Am I エラーコード：九十九 on Steam. Steam Store.
- Valve Corporation. (2025, October 13). Who Am I エラーコード：九十九. Steam Community Hub.