
Sixfold Swarm: Bullet Heaven
Merge a Six-Weapon Formation
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Free
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About
Choose a core. Build your formation. Survive twenty waves.
Sixfold Swarm is a portrait action roguelike for iPhone. Move to dodge and collect materials while your weapons attack automatically. Pick a starting weapon, fill six formation slots and shape a different build each run.
SURVIVAL: BUILD THROUGH THE WAVES
• Choose from nine cores with clear strengths and tradeoffs. Six are available immediately; three unlock through play.
• Equip twelve distinct weapons across six families, from piercing shots and energy chains to crowd control and explosions.
• Discover fifty-four items that change your stats and unlock weapon effects.
• Face twenty waves, twelve tactical enemy roles, five bosses and five difficulty levels.
• Shop between waves: buy weapons and items, lock offers, pay for a refresh, recycle equipment or combine identical weapons of the same rank.
• Rearrange your six slots and keep duplicate weapons until you decide to combine them.
A FAIR DAILY CHALLENGE
Each date gives everyone the same starting core, weapon and difficulty. Complete the daily to build a streak, or return to a saved attempt on its original date.
KEEP YOUR BUILD
Pause and continue a saved run. Review your weapons, items, final stats and damage breakdown, then revisit the last twenty runs in your history. Core gameplay, content and local saves work offline without an account.
Made for one-hand portrait play, with English, Traditional Chinese, Japanese, Korean and Spanish. No forced ads, in-app purchases or subscriptions.
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What's New in Sixfold Swarm
1.1
October 21, 2026
Smoother performance, balance tweaks and bug fixes. Thanks for playing Sixfold Swarm!






