Bittersweet Birthday Boss Battle Beatdown in just 7 days!
Developer World Eater Games and publisher DANGEN Entertainment are poised to unleash their boss-fight bonanza Bittersweet Birthday in just 7 days. Players awaken with no memory… only a voice guiding them through the unknown. But as unstable pursuers close in, one question haunts you: can you trust the voice that might be your only way out?
Bittersweet Birthday explodes with the spirit of classic PC boss-rush action adventures, and every breathtaking duel is crafted with razor-sharp precision and multiple evolving phases that test your reflexes and rhythm. Are you up for the challenge?

Between epic clashes, you’ll explore a vibrant world brimming with secrets, side stories, and zany characters, each one illustrated in hand-crafted pixel perfection.

Light the candles for a birthday that takes the cake!
Explore a lively village full of charming residents, tangled quests, and hidden stories waiting to unfold!
Face punishing battles where sizing up your enemy is the key to glorious victory!
A darts mini-game! Well… the darts are being thrown. ..
Collect all 48 adorable Gachapon goodies!
Get lost in hand-drawn pixel art with beautifully crafted backgrounds!
There’s a dog!
Bittersweet Birthday will launch on PC on November 11, 2025, with console versions to follow at a later date. There’s an action-packed demo available now on Steam, for a chance to sample a slice of the hard-as-nails action, meet the eccentric cast, and prepare for the birthday of your life.