airplane game need help

fly around and shoot at enemy planes but i am stuck on making the enemy shoot back when pointing at you and in a certain range! my gmc account doesnt work right so this is how im asking for help thanks

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Released 2008-08-27
Category Shooter
Rating 0.0 (by 0 users)
Downloads 7
Version 1
ID 50451
Slug airplane-game-need-help