tower #1: low attack range, 2 dmg, attacks ~.75 times/sec, lasts 400 frames tower #2: large attack range, 1 dmg, attacks ~1.25 times/sec, lasts 150 frames tower #3: no attack range, 0 dmg, attacks never, lasts 500 frames, on death gives 50 money next wave will spawn if all the prior wave is killed, or 150 frames after the prior wave is done spawning game will start in 5 seconds after flag is clicked if an enemy reaches the end you loose there is only three waves that you must beat to win.
just a short game i made i got this idea when seeing this btd battles mod which did some thing similar