About Zi - classic arcade shooter with realistic physics. You need todestroy all enemies on map and save your base. Key features of the game: 3d game world; Realistic physics; Over 50 built-in maps; Map editor; Unlimited numbers of custom maps; Bonuses; Tank upgrades; Bosses. Units: Slow tank - initial tank. Single-shot (shooting speed varies depending on the speed of pressing the "Fire" button). Destroyed by one hit; Light tank - level 2 tank. Moves faster than Slow tank. Single-shot. Destroyed by one hit; Fast tank - level 3 tank. Shoots in bursts. Destroyed by one hit; Heavy tank - level 4 tank. Shoots single laser bullets and hits any barrier (except for obstacles). Rate of fire is lower than that of other units. Tank is destroyed by 3 hits; Super Tank (bonus) - valid for a limited amount of time. The shells have wide range of damage, hit any barriers (except for obstacles) and destroy all types of tanks by one hit. Bonuses: Adds 1 life; Temporary invulnerability; One-time explosion of all tanks on the map; Temporary stops all the enemies on the map;