Yostar launches Stella Sora global gacha action RPG

Yostar’s new gacha action RPG Stella Sora launched globally on October 19, 2025, and is available on Windows PCs, Android and iOS devices. The topdown, anime-styled title casts players as Tyrants exploring the fantasy realm of Nova, assembling three-character teams of collectible heroes called Trekkers to clear dungeons known as Monoliths and advance a branching story shaped by player choices.

Gameplay blends action RPG combat with roguelike elements and a reverse bullet-hell combat style. As players clear encounters their Squad Level rises, unlocking a selection of three level-up bonuses for unit abilities. The game offers an autobattle option and a bonding system that lets players build relationships with Trekkers through in-game decisions. Trekkers are predominantly presented as female characters. Progression also depends on equippable Runic Discs, which modify combat performance.

Stella Sora uses a gacha monetization model. At launch the first five-star Trekker featured on the banner is Chitose and the first five-star Runic Disc is Sword Against Stream. Yostar delivered several launch incentives: a seven-day login event that includes a Rainbow Disc Pack, a Stellar Resume...