STRAIN

Content rating
Everyone
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Content rating
Everyone
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About this game

STRAIN is a tense strategy-puzzle about a fight for the planet between two forces: the VIRUS and the CURE.

Pick a side. Spread a new strain across the world — or stop the epidemic before it's too late.

Crises erupt all over the globe: panic, riots, mutations, city collapse, lab breaches. Every crisis is an arena. Link nodes into chains, stack combos x2, x3, x5, catch PERFECT CHAINS and cascades — and decide a region's fate with a single swipe.

As the VIRUS you spread the infection (SPREAD). As the CURE you contain the outbreak and synthesize a vaccine (CONTAIN). One world, two perspectives, two playstyles.

Capture 7 regions on a living 3D globe and hold your grip. Upgrade your lab: infectivity, lethality, resistance, mutation — or efficacy, coverage, production, immunity. Dozens of upgrade cards reshape your style and the power of your chains.

Come back daily for rewards, complete quest chains, climb the leaderboard. Energy regenerates over time and passive income ticks even offline — but the world won't wait.

There are no lucky wins here. Only the precision of your chains and cold calculation.

Who wins this war is up to you.
Updated on
Jun 18, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, Personal info and 4 others
This app may collect these data types
Location, Personal info and 4 others
Data is encrypted in transit
Data can’t be deleted