Perimeter Zero vs World War X

Perimeter Zero is a tower-defense game about running a private security operation, not casting spells. You're the commander: place cameras, lights, gates, guards, drones, and a growing arsenal of detection and response tools, then hold the perimeter as intruders test every gap in your coverage. See your coverage, not just your budget Every camera, sensor, and guard shows its real detection and response radius before the night starts. Placement isn't guesswork — you can see exactly where your perimeter is strong and where it's exposed, then build accordingly. A loop that tests you, not just your equipment When multiple threats hit at once, you choose which guard responds to which — a deliberate call under pressure, not an autopilot response. Detection, response, and slowdown layer together into real tactical decisions across cameras, lights, gates, K9 units, thermal towers, cyber nodes, and more. 22 contracts, from a starter warehouse to a national command network Start small with a two-door warehouse. Escalate through delivery depots, tech campuses, research labs, data vaults, airports, harbors, stadiums, hospitals, banks, and eventually a combined national command-network finale — each with its own threat mix, layout, and pressure. Nine intruder types, each demanding a different answer Prowlers, runners, saboteurs, hackers, insiders, credential thieves, vehicle crews, crew bosses, and stealth infiltrators all pressure your perimeter differently. Layer detection and response so nothing slips through unseen. Permanent progression that matters Spend contract earnings in the Upgrade Lab on sixteen permanent upgrades across four specializations — Perimeter Core, Command & Intel, Response Teams, and High-Security Ops. Every contract makes your operation stronger for the next one. Daily operations and mastery A rotating daily contract with its own modifier keeps every return trip different. Chase mastery stars, best grades, and win streaks across every site you've cleared. Fair monetization Banner ads appear only on menu screens — Home, Contracts, Upgrades, and Results. Active night gameplay is always ad-free. A single one-time Premium purchase removes ads entirely and adds no gameplay advantage; Restore Purchases is available anytime. Game Center support Leaderboards and achievements track contracts cleared, best cash hauls, daily streaks, and threats stopped — fully optional, and the game works completely fine if you're signed out. Build the perimeter. Watch the coverage. Hold the line.

Merge your troops and command your armies. Crush real players in fast auto-battles. World War X is a real-time PvP auto-battler that's easy to learn but hard to master — draft your deck, merge units to power them up, and outsmart live opponents in minutes-long matches. THREE FACTIONS, ONE WAR Build armies from the Human military machine, the psionic Alien swarm, or the relentless Zombie horde. 25+ unique troops, each with its own role — from Marines and Siege Tanks to Zombie Behemoths and Alien Motherships. MERGE TO DOMINATE Combine matching troops mid-match to level them up and turn the tide. Unlock new units mid-match to counter your opponent. Every round you draft, merge, and reposition — smart play beats big spending. REAL-TIME PvP ARENAS Climb the ranked ladder across six arenas. Match against live players, win trophies, and prove your strategy is the best. CAMPAIGN MISSIONS & PvE Progress through the campaign and strategize against epic raid bosses and varied game modes. ABILITIES & AUGMENTS Customize your units with game-changing powers mid-battle — Tactical Jump, Mass Cloak, and more. Equip augments to build a deck that fits your style. ENDLESS WAYS TO PLAY • Boss Strike — unload on a massive boss with a fully-upgraded army • Survival — how many rounds can you last? • Holdout — Defend your siege tank from incoming forces • Campaign — 65+ missions of escalating PvE chaos Your army. Your strategy. Your arena. Download World War X and start the war!