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Bittersweet Birthday

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Bittersweet Birthday

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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.

HK$ 113.00

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Most popular community and official content for the past week. (?)

Update! v1.0.5 Patch Notes

29 Nov, 2025

Howdy 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 managed to detect.
- Fixed issues where bosses that used summons could randomly get them stuck, softlocking some fights (sorry~).
- Fixed an issue where boss #6 could clip you out of bounds.

Here's some high quality vega poses to make up for them!

Bittersweet Birthday

game crash/possible bug? [elevator ride with ada]

after i got to the end of the elevator ride with ada, i interacted with the elevator buttons next to the door since i saw a "!" and wanted to see if there was some extra dialogue instead of immediately following ada out of the elevator. after interacting with it the elevator immediately started going back down to B1. i tried to re-enter the elevator but i couldn't. i ended up having to go back to ada's room and go through that whole sequence again. however upon entering the elevator again, her sprite is m...

indie.x

22 Nov, 2025 @ 6:01pm

General Discussions

Image of skeleton enemy gets stuck on screen during Prisoner boss fight

This sometimes happens when a skeleton enemy is at extremely low health. I think it explodes and damages me at exactly the same time I kill it with my attack. There's no gameplay impact, but the image of the critically wounded skeleton remains on the battlefield for the rest of the fight....

minstrelofmoria

4 Jan @ 5:42pm

General Discussions

Screenshot

Award

Garen

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Video

BITTERSWEET BIRTHDAY Gameplay Walkthrough FULL GAME No Commentary + ENDING

Zhain

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Video

BITTERSWEET BIRTHDAY | ALL BOSSES & ENDING (with CUTSCENES) 🎮💪

FinalBossProject

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No more sidequests?

Are the sidequests finished when Bonnie asks for you to collect wood? I can't seem to find any, but there's a glowing item behind Bonnie. Also, I could only find 9 coins- no idea if there's more than that in the demo.

Johnker Johnson

17 Nov, 2025 @ 3:44pm

General Discussions

Question before buying

How many boss fights does this game have in it? I am going to be completely honest, and please don't take this the wrong way, but I really don't care about the story (in almost every game) and I want to make sure there is enough stuff for me to do if I decide to buy the game. From what I see in the reviews, it looks like this game is very story heavy and that is fine, just not for me. Thanks in advance!...

BryanBrownTown

22 Nov, 2025 @ 5:47pm

General Discussions

Is Japanese still coming?

https://www.youtube.com/watch?v=451pWtxMIsw Description on this trailer mentions Japanese, do we know what happened to it?

Beat of blues

22 Nov, 2025 @ 9:09am

General Discussions

Steam Deck Verified!

26 Nov, 2025

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 page Valve made for us.

https://steamproxy.com/steamstore/verified/1581100/Bittersweet_Birthday

Bittersweet Birthday

Update! v1.0.4 Patch Notes

22 Nov, 2025

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

- Modified some collisions that were getting players stuck in some tight spots on a few maps.
- Fixed bug in parry/perfect dodge minigames that made the player immortal.

BONUS: Metal Fang Fans Concept Art