Idle Siege: Zombie Attack

The dead are coming — and your arsenal is your only hope. Idle Siege: Zombie Attack throws you into a relentless zombie apocalypse where strategy meets satisfying, low-effort progression. Merge basic guns together to create more powerful weapons, unlock devastating firearms, and build an unstoppable defense line, all while your hero automatically blasts through waves of zombies. Merge Your Way to Firepower Combine duplicate weapons to forge stronger ones. Pistols become shotguns, shotguns become assault rifles, and assault rifles become rocket launchers and beyond. Every merge brings you closer to a legendary arsenal capable of wiping out entire hordes in seconds. Idle Progress, Real Rewards Zombies don't wait, and neither does your progress. Your weapons keep firing and your gold keeps piling up even when you're offline. Come back to a stockpile of resources ready to be poured into new gear, upgrades, and merges. Buy, Upgrade, Dominate Spend earned currency on new weapon crates, special abilities, and rare gun upgrades. Unlock explosive weapons, elemental ammo, and unique zombie-slaying gear to push through tougher waves and brutal boss zombies. Endless Waves, Endless Challenge Face increasingly dangerous zombie types — from shambling walkers to armored brutes and terrifying bosses. Each wave tests your merged arsenal and pushes you to optimize your weapon loadout for maximum destruction. Features: Addictive merge-to-upgrade weapon system Satisfying idle combat that progresses even offline Dozens of weapons to discover, merge, and master Increasingly challenging zombie waves and epic bosses Simple, relaxing gameplay perfect for short sessions or long grinds Constant sense of progression and power growth Gear up, merge smart, and hold the line. The horde never stops — but neither will you.