The much needed extra features would stop this being a minimalist game, but I still had fun.
The only error I found is that every time a new enemy comes within range, the tower will switch to that enemy rather then killing the one it was originally shooting.
I think that if I only upgraded Attack Speed and nothing else I could maybe keep playing forever.
OK, not forever.
Without extra features or cheats, I think this is pretty much the highest score possible.
Attack speed above lvl 8 (when next cost is 16$) is useless: 122hp enemies have enough time to shoot. So maximum score is somewhere around 1600. My calculations give 1634, but by that time there will be swarm...
Indeed. Not quite 1634, but considerably higher than my original attempt.
I think the total is lower than you calculated because the 2nd attack from the enemy is not at 122x2 HP, but somewhat earlier.
2nd attack starts to hit at 213HP and that counted. But I thought it can reach triple-hits at (theoretical) 304HP...
Sometimes a second enemy will come into range before the first enemy is defeated. This causes the tower to target the new enemy, which is really the only glitch in the game.
