yo can you please add saves to this game? i love this game and i keep trying over and over, but every time i accidently die because im too cotious or some other stupid reason, i have to start over from the veyr start.. its been very annoying dying on waves 15-20 after hard grind haha maybe checkpoints or just simple saves... man it makes me rage so much sometimes... please ;-; love the game man, great concept love it