Stellar Affinity

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Stellar Affinity is an 18+ idle shooter built for iPhone. Download the Stellar Affinity IPA for iOS and command a spaceship travelling between worlds, where every docking stop opens its own self-contained planetary story.
Progress keeps ticking while you're away, and bullet-hell stages resolve in short sessions when you return. Recruit a crew, raise affinity with individual characters to unlock their story arcs, and upgrade gear and skills to clear higher-difficulty stages. Released by HIMEFUN in July 2026 with full Japanese voice acting, available in English, Traditional and Simplified Chinese, Japanese, Korean and Thai.

Stellar Affinity key features

Idle progression paired with bullet-hell combatCrew recruitment and character affinity systemFull Japanese voice actingAdult content, uncensored
Get Stellar Affinity on builds.io — download the IPA and install it on your iPhone in one tap, no PC required.