Announcement
v1.1.2Hotfix! v1.1.2
Some users were reporting a softlock in a specific fight, this update should address that issue!!
Read announcementSteam
Bittersweet Birthday
Also known as Bittersweet Birthday, bb, 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 update
20 May 2026
Players now
1
Latest update
Update history
Browse past updates and patch notes for this game.
18 updates
April 2026
- Hotfix! v1.1.1 Patch Notes (Achievements fix)Hey! we hope you're having a blast playing the game! The last update introduced an issue where achievements could not be unlocked in windows, this update should enable them back AND give you any achievements you missed…
March 2026
- Hotfix (March 21, 2026)Hey there! Just pushed a small fix that should fix a random crash that the previous build introduced, be sure to download this update if you are having any troubles running the game!
- Hey everyone! We're excited to announce that Bittersweet Birthday v1.1.0 is now live! Updates: Japanese language full support added! For players who want to jump into the action straight away, "Boss Rush Mode" can now b…Store
November 2025
- Update! v1.0.5 Patch NotesHowdy everyone! This is just a quick update to rectify some issues we've seen in some boss encounters. Some bosses were leaving artifacts on the maps on subsequent retries, should be fixed by now in most cases we manage…
- Bittersweet Birthday now runs flawlessly on the go! Bringing its boss fight-only combat, story-rich exploration, mystery-woven puzzles, and delightful mini-games -- straight to your hands! Check out this cool landing pa…Store
- Hey everyone! We hope you've been enjoying Bittersweet Birthday! How many bosses have you gotten through so far? How about collecting Memories? Today we have just a couple fixes in this update. v1.0.4 Patch Notes Modifi…Patch notes
- Update! v1.0.3 Patch NotesHey everyone! Thanks for all the feedback! Just a couple fixes today. Fixed a potential soft lock before the fourth boss. Fixed camera glitch that could happen when using a specific memory against the third boss. BONUS:…
- Hey everyone! Thanks for playing Bittersweet Birthday! We have a small update for you today. v1.0.2 Patch Notes Fixed incorrect asset in a later map. - Fixed typos. - Fixed potential cutscene reactivation issue. BONUS:…Patch notes
- Update! v1.0.1 Patch NotesBittersweet Birthday is out in the wild! Thanks to everyone for playing! Here is a tiny update for v1.0.1! The game would sometimes crash on a later portion of the game (oops), should be fixed by now. - Fixed some mispl…
- Bittersweet Birthday OUT NOW! Launch Trailer Revealed!Bittersweet Birthday has officially launched on Steam! You're invited to a new party. No filler fights. No micro-management. Just you, your trauma, and a bunch of unforgettable bosses trying to kill you. The Bittersweet…
- Watch the developers play!Want to get a feel for the game? watch us beat the first portion!
Gallery
In-game media
Achievements
Community progression
Top picks from 32 Steam achievements, sorted by player unlock rates.
- Growing a conscienceKill Rocc.70.0%
- The suddenness of deathKill Vega.31.4%
- The pain behind the smilesKill Cerie25.2%
- Ruin the planHidden24.0%
- Duty fulfilledHidden21.1%
- TantrumHidden20.4%