GameEnjoyer @LadGamers

In TAoA alpha 4 version with the shop you can upgrade by pressing on the power button( the power's you use), so here is an example how to do it simply:

Level 1 : use one way to play that is collect gears until you want to use some power ups like reveal shard or stun.

Second way is that like collect gears and use only power run until you are at some point confused then use those power ups.Good luck!

https://www.youtube.com/watch?v=eSyh3SwTzzs

https://www.youtube.com/watch?v=mgTfhzoedBs