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:

Teasers for my new project!

(And of course another status update).

An update! (Not an actual release though).

Successful landing

#screenshotsaturday

Just a Pico sprite

Heya! I wanted to show some gameplay progress i made so far. I hope you like it ^^

Family band complete!

The whole squad is here!

Interested? Follow me!

Microsoft Windows XP Unprofessional (windows logo prototype)

Terraria