Bittersweet Birthday
Bittersweet Birthday is a boss fight-only action adventure where every encounter is a unique and emotional showdown. Explore a colorful world full of endearing characters, uncover your memories, and battle your way through challenges that push skill, timing, and determination to their limits.
Last Updated: 12/16/2025
| Steam Price | $17.99 |
| Release Date | 11/11/2025 |
| Franchise | DANGEN Entertainment |
| Developer | World Eater Games |
| Publishers | |
| Steam App Id | 1581100 |
Bittersweet Birthday
Bittersweet Birthday is a boss fight-only action adventure where every encounter is a unique and emotional showdown. Explore a colorful world full of endearing characters, uncover your memories, and battle your way through challenges that push skill, timing, and determination to their limits.
Last Updated: 12/16/2025
- Windows
- Mac
- Linux
- Steam Deck (Verified)
About Bittersweet Birthday
Bittersweet Birthday is an Action, RPG, Adventure, and Indie game developed by World Eater Games. On 11/11/2025, it was released on the Steam Store by World Eater Games, and DANGEN Entertainment.
It can be played and ran on Windows, Mac, and Linux systems. It is verified by Valve as playable on the Steam Deck and will run well.
According to Steam’s category system, Bittersweet Birthday supports the following features:
- Steam Cloud
- Full controller support
- Family Sharing
- Stereo Sound
- Steam Achievements
- Single-player
- Custom Volume Controls
From the Steam community, Bittersweet Birthday has been tagged with the following user tags:
- Difficult
- Narrative
- Atmospheric
- Story Rich
- Pixel Graphics
- Psychological Horror
- Bullet Hell
- Action-Adventure
- Mystery
- Combat
- Cute
- Minigames
- Sci-fi
- Top-Down
- Indie
- Action
- Singleplayer
- Boss Rush
- Exploration
- Emotional
Media & Sceenshots
Watch the featured video for Bittersweet Birthday and see the latest screenshots from the Steam Store.
Related Packages
Bittersweet Birthday 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 |
|---|---|---|
| Bittersweet Birthday | $14.39 | View |
Supported Languages and Localizations
Bittersweet Birthday is available in 3 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Spanish (Latin America) | Yes | No | Yes |
| Spanish (Spain) | Yes | No | Yes |
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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.
Bittersweet Birthday data has been sourced from:
- Valve Corporation. (2025, December 16). Bittersweet Birthday on Steam. Steam Store.
- Valve Corporation. (2025, December 16). Bittersweet Birthday. Steam Community Hub.
- World Eater Games. (2023, July 7). Bittersweet Birthday. Bittersweet Birthday.