A defense without guns. Enemies dive at your core from every direction — and you never fire a shot. Drag gravity wells to bend their paths: slingshot attackers into the sun, crush them in a well's pull, or whip them clean off the field.
Live trajectory lines show exactly where every enemy will end up — red means it will hit your core, gold means the sun claims it. Reposition your wells, then brace for the wave.
• Pure physics combat — every takedown is environmental: sun, crush, or deflection
• Draft a perk between waves: new wells, deeper gravity, drag fields, core plating, solar flares
• Heavies, mid-flight correctors, and Warden bosses keep every run escalating
• Doctrines reshape your whole run — earn Cores and unlock new ways to play
• Free ranked Daily Challenge — one shared board a day, same for every player, with a global leaderboard
• Runs persist: close the app mid-wave and continue exactly where you left off
GO PRO
The first 10 waves are free — the complete loop, every perk, and a Warden boss. Going Pro opens the endless climb past wave 10 plus Warden skins and board themes. Choose a one-time Ward unlock, or the StackForge Play Pass to unlock every StackForge game. The Daily Challenge is always free, in full, for everyone.
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Place wards, bend gravity, and defend the city in a fair daily challenge.