Recycleing is a bit too much IMO, cause now the best strategy revolves around mining all around between waves and retreating to your main mining area. If recycling only gave halve the minerals back you would have to defend your whole perimiter all the time (which would create more strategys).
I thought it was advised not to link to newgrounds through uploads.underground . This might only apply to deleted content and such, not 100% accurate here.
First time this ever happened to me. I took a spec ops and he just started throwing granades at MY TRENCH. He killed everyone. (I have played about 50 something games now)
It was rather interesting, but sometimes the robots didn't follow the path I ran them through. That along with the easy puzzles took away from the game.