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Circuit Defense is now out of testing and live for everyone. - 6 towers to unlock and combine: Cannon, Frost, Laser, Mortar, Tesla, Warp - Procedurally generated paths, so no two boards play the same - Weekly and all-time leaderboards - Challenge a friend with a code, no account needed - Online Versus and Co-op This build itself is housekeeping only - no gameplay changes since launch. A rating makes a real difference to a small team. Thank you for playing.
Every run builds a new circuit. Place towers, hold the line, climb the board.
Creeps walk the circuit. You don't let them reach the end. Circuit Defense is a tower defence game with no hand-built levels. Every run generates its own board from a seed, so the map, the wave order and the rules are new every time you press play. SIX TOWERS, AND THEY DO DIFFERENT JOBS Cannon is cheap and reliable. Frost barely scratches anything but slows everything. Laser ignores armour and melts shields. Mortar hits whole crowds. Tesla chains lightning between them. Warp shoves creeps back down the path and buys every other tower a second shot. Each one runs Level 1 to 3, then FORKS at Level 4 into one of two permanent branches, then Level 5. Two players with the same six towers end up with different armies. RULES THAT CHANGE EVERY RUN Each run rolls one to three modifiers from its own seed — Glass Base, War Chest, Rush Hour, Specialist and nine more. Two waves in five carry an event of their own, announced during the break before they land so you can build for it. THE WEEKLY CIRCUIT One circuit, the same for every player on Earth, all week. No permanent upgrades and no revives — everyone brings the same tools, so the board measures how you played, not how long you have been playing. Your run is verified on the server by replaying your moves, not by trusting a number your phone sent. There is a Daily Circuit too, and an all-time board per difficulty. CHALLENGE A FRIEND, WITH NO ACCOUNT Finish a run and send the result. Your friend pastes the message, gets the exact same map and waves, and tries to beat your wave. No login, no lobby, no server involved — the code is the whole game. PLAY TOGETHER, LIVE Versus: two boards, one seed, and you spend credits to drop creeps on your opponent. Co-op: one board, one shared purse, two people arguing about what to build next. ALSO IN THERE • Endless waves, three difficulties, bosses every ten waves • Account levels that unlock real gameplay — towers, extra upgrade tiers, a second revive • Seven creep types, each introduced on its own so you can learn the counter • Your circuit style, worked out from the runs you have played • Portrait, one thumb, no timers and nothing to wait for FAIR BY DESIGN Ads are opt-in only. Watch one for a supply drop, a repair or a revive if you want to — never in the middle of a wave, and never forced on you mid-run. One optional purchase removes the interstitials for good and unlocks every theme. Rewarded ads keep working afterwards, because they were always your choice. No energy meter. No timers counting down while you are away. No second currency you have to buy.