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Core Breach 1.11.0 • Core Breach is now free! Ads only appear between matches, never during a wave. • Remove Ads: a one-time purchase in CONFIG. • Already bought the game? You stay ad-free automatically. Thank you!
Cyberpunk tower defense: stop malware waves and duel your friends online.
Your motherboard has been breached. Wave after wave, malware races down the circuit traces toward the core — and only the hardware towers you build stand in its way. CORE BREACH: ZERO-DAY is a cyberpunk tower defense where the map is literally a printed circuit board: enemies are corrupted data running along the traces, and every tower is a real motherboard component turned into a weapon. ★ 4 TOWERS, 4 UPGRADE LEVELS EACH • Pulse Relay — fast, cheap fire; at max level its shots ricochet to extra targets. • Capacitor Arc — pure control: deals no damage, but slows everything in range, adds a near-stop pulse and, at max level, reveals phased Glitches. • Firewall Beam — continuous beam that hits harder the longer it stays locked on a target. Melts armor. • Resistor Mortar — the heaviest hit in the game, with area impact and long range. ★ 8 KINDS OF MALWARE Bit Packet swarms, Worms that split when destroyed, armored Trojan Heavies, Glitches that phase out, lightning-fast Flash Worms, stealthy Rootkits that shrug off slows, Ransomware that steals your Clock Cycles — and Zero-Day, the final boss. ★ BUS LOAD: EVERY WATT COUNTS Every tower draws power from the board's bus, and each map has a fixed capacity. Go over it and ALL your towers fire slower. Upgrading a tower makes it more power-efficient, so the real question is always: build more, or build better? ★ ONLINE DUELS WITH FRIENDS Challenge a friend to a 1v1 Duel: one builds the defense with a fixed budget, the other builds the attack with points — neither sees the other's move. When both are ready, the match plays out at the same time on both phones. Share a 6-letter code or a link to invite a friend, then swap sides for the rematch. (Duels need internet and a Google Play Games account.) ★ A FULL CAMPAIGN 100 waves, 6 maps, 3 difficulty levels, automatic save and resume, and the Hardware & Malware Archive with stats, upgrades and lore for every tower and enemy. The campaign plays offline, by touch or with a Bluetooth/USB controller. ★ GOOGLE PLAY GAMES 3 leaderboards (highest wave, efficiency and duels won) and 10 achievements. ★ FREE, NO PAY-TO-WIN Core Breach: Zero-Day is free to play, with no pay-to-win: the only ads are full-screen ones between matches — never during a wave — and a one-time "Remove Ads" purchase turns them off for good. Available in English, Spanish and Portuguese. Reboot the system. Contain the breach. Don't let anything reach the core.