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Bittersweet Birthday is an action game where every combat encounter is a challenging and unique fight. You can also explore different areas and help many of the NPC populating them with their everyday struggles while learning more about the world and its history.
Linux · Nov 11, 2025
Worldwide · Exact date · Full release · IGDB
Mac · Nov 11, 2025
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · Nov 11, 2025
Worldwide · Exact date · Full release · IGDB
PlayStation 5 · TBD
Worldwide · To be determined · Full release · IGDB
Xbox Series X|S · TBD
Worldwide · To be determined · Full release · IGDB
Nintendo Switch · TBD
Worldwide · To be determined · Full release · IGDB
Catalog sources
32 achievements available.

Pull every gacha.
LockedSteam

Find all the memories.
LockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Beat the boss rush gauntlet.
LockedSteam

Kill Cerie
LockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Beat a score of 800 in Net’s parry challenge.
LockedSteam

Beat a score of 800 in Net's perfect dodge challenge.
LockedSteam

Kill Rocc.
LockedSteam

Hidden until unlockedSteam

Beat a score of 900 in Net's ultimate challenge.
LockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Kill Vega.
LockedSteam

Hidden until unlockedSteam

Perform a bull’s eye against Rocc
LockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Defeat Ralph at rock, paper, scissors in a best of 5.
LockedSteam

Perfore a max-score shot against Ulysses and Rocc.
LockedSteam

Complete everything there is to do in the morning.
LockedSteam

Complete everything there is to do at night.
LockedSteam
Community notes