I have a small area in the menu/base where you can try out using some of the powerups, I know it's easy to miss because it's below the control room. I may add a section to the description explaining the powerups in detail like I did for the enemies and hazards. Thanks for playing!
I'll add a section to the game description explaining every powerup, hopefully it helps you as well as future players. If I work on this post jam I may even add a small tutorial stage where players can test out powerups with a few enemies to learn their behaviors.