Allied Bases Tower Defense

Allied Bases Tower Defense is a Sploder classic ship shooter tower defense game made shortly after The Great War and Machine Massacre.

Subject
In ABTD, the player must defend the outposts, capture the flag, and destroy the enemy source. The game does not contain any mega-weapons or mega-entities because of the level 2 and 3 rules. The player must also hunt the keys to unlock more powerups.

Trivia

 * Defense is spelled wrong at defence."