Game overview
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 tracked players
- 0
- All-time peak
- 1
- 24-hour change
- Unavailable
Delayed observation · last tracked . Values marked unavailable are not estimated.
About this game Read the full description

You wake up in a strange facility with no recollection of who you are or how you got there. That is, until a voice calling themselves ‘Ada’ on the other end of an intercom warns you that you’re being hunted, and promises to help you escape.
Bittersweet Birthday is a story-driven action-adventure game where every fight is personal, every victory hard-earned, and every clue a step towards uncovering the truth lying somewhere inside the miasma of mysteries.
Each encounter is a one-on-one showdown with one of your nemeses. Read your enemy, master their rhythm, and adapt to their patterns that blend Souls-like precision with bullet-hell chaos. Punch, kick, block, dodge and parry your way through multiple phases that feel like a final boss each time.
Tweak the challenge to your liking through the Memory system. Memories are gameplay modifiers directly tied to the character’s pasts. They can make fights easier or harder, but never trivial.
Between fights, catch your breath in a vibrant village full of strange and endearing characters. Complete side quests, dig into local mysteries, and enjoy a surprising amount of heartfelt (and often ridiculous) downtime.
Try your hand at darts! Or well… I guess darts are partially used, at least.
Rock, paper, scissors – fighting game edition!!
Hunt down all 48 Gachapon collectibles, each one of the cool, cute, or creepy kind!
Hand-drawn pixel art and detailed backgrounds bring every memory and location to life.
Fully remappable controls with support for PlayStation, Xbox, and PC controllers.
A STORY THAT LIVES UP TO ITS NAME
Bittersweet Birthday mixes psychological horror, sci-fi mystery, and dry humor into a story about identity, trauma, and what it means to move forward.
Some truths are hard to remember… others, hard to forget.
Media gallery 29 screenshots · 0 videos
Screenshots
Player activity
Concurrent players over the last 48 hours.
System requirements Windows · macOS · Linux
Windows
Minimum
Minimum:- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: 2.0 GHz
- Memory: 4 GB RAM
- Graphics: Graphics card with full Vulkan 1.0 support
- Storage: 2 GB available space
Recommended
Recommended:- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: 2.0 GHz
- Memory: 4 GB RAM
- Graphics: Graphics card with full Vulkan 1.0 support
- Storage: 2 GB available space
macOS
Minimum
Minimum:- Requires an Apple processor
- OS: macOS 10.15 Catalina
- Processor: Apple M1
- Memory: 4 GB RAM
- Graphics: Graphics card with full Vulkan 1.0 support
- Storage: 2 GB available space
Recommended
Recommended:- Requires an Apple processor
- OS: macOS Sequoia 15.6.1
- Processor: Apple M1
- Memory: 4 GB RAM
- Graphics: Graphics card with full Vulkan 1.0 support
- Storage: 2 GB available space
Linux
Minimum
Minimum:- OS: Ubuntu 22.04-5 LTS
- Processor: 2.0 GHz
- Memory: 4 GB RAM
- Graphics: Graphics card with full Vulkan 1.0 support
- Storage: 2 GB available space
Recommended
Recommended:- OS: Ubuntu 24.04.3 LTS
- Processor: 2.0 GHz
- Memory: 4 GB RAM
- Graphics: Graphics card with full Vulkan 1.0 support
- Storage: 2 GB available space
Game details Languages, features & support
- Publisher
- DANGEN Entertainment
- Brazilian rating
- 10
- Steam Germany rating
- 16
- Achievements
- 32
- Controller support
- full
- Features
- Single-player, Steam Achievements, Full controller support, Custom Volume Controls, DualSense Controller Support, DualSense Controller Support, Stereo Sound, Steam Cloud, Family Sharing
- Languages
- English, Spanish - Latin America, Spanish - Spain, Japanese
- Website
- Official website ↗
- Support
- [email protected] Support site ↗
More analysis Activity patterns, updates & developer tools
Game Insights
Buy Verdict
Decent deal at 0% off, but might drop further. Watch for better opportunities.
Value Score
Price-to-player ratio ranks in the 78th percentile. Priced as Premium at $17.99.
Genre Benchmarks
Activity Heatmap
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