This is amazing!

The concept is pretty simple but executed very well, there are many different cards and this allows you to strategize a lot (my favorite strategy is loading up with energy refills and triple bombs and just spamming — made it to level 32 with this!)

I appreciate that the game begins only once you start taking aim, that's a little detail but it's a smart one, letting you take your time.

Interrupting the action from time to time to let you swap cards is another positive thing: the gameplay loop is very intense and these breaks let you rest a little bit. The only complaint I have about this is that sometimes I don't want to swap cards, but that's a pretty minor thing.

Another little bit of feedback is that I would like to have a chance to see the cards in my hand before the action begins again after a card swap. I don't understand very well yet the logic behind the new hand, it seems like you get a random one each time. But then again, this is another little thing.

All in all, this is great. Great concept executed well, incredibly fun gameplay loop (I've been hooked for like two hours) and simple but satisfying graphical and sound effects.

5/5 I will play this again :D