Defense Line: Tower Defense

Build an unbreakable defense, then go on the attack. A free 20-battle tower defense campaign and a full real-time strategy in one game. No ads. Plays offline.

HOLD THE LINE • 20 campaign battles across grassland, desert, snow and the city, all free and open from the start • Seven towers plus a rocket battery and a railgun • Upgrade and repair towers mid-battle, call waves early for bonus money • Airstrikes, field repairs and supply drops when the pressure is on

UPGRADE YOUR ARMORY • Earn coins for victories and stars • Give every tower up to five permanent ranks • Unlock premium towers and stock up on boosters

LEAD THE ATTACK • Build a base, mine ore and capture oil derricks with engineers • Train infantry, tanks, aircraft and a navy • Three sides, Coalition, Front and Syndicate, each with its own units and superweapons • Garrison buildings, capture tech buildings, pick up crates and promote veterans • Bots on three difficulty levels and operations with objectives

PLAY ONLINE • Matches with friends and other players through Game Center

Voiced commanders, English, Russian and Ukrainian, made for iPhone and iPad.

The campaign is free. The full version unlocks every skirmish map, the Syndicate, hard bots and all operations. Coins, camouflage and commander voices are optional in-app purchases.