Quick Answer: Play Urban Siege Line free in your browser right now — no download, no sign-up. It works on desktop and mobile, and it's part of our Action & Adventure collection.
Desktop Use Up and Down Arrow keys to change lanes Press S to shoot Press 1 2 and 3 to switch weapons Press A for air support Press D to deploy the support squad Press F to throw a grenade Press P or ESC to pause Mobile Use the on-screen button
Urban Siege Line is a 2D action shooter where you defend a ruined city line against waves of zombies. Move between three lanes, shoot incoming enemies, switch weapons, call air support, deploy your support squad, throw grenades, upgrade your armory, and survive each mission.
| Category | Action & Adventure |
| Platform | HTML5 (Browser, Mobile & Desktop) |
| Added | August 16, 2026 |
| Tags | Defense, survival, Zombie |