(Replying to dev response) you need to try and stuff more in the WAT 2 DO and maybe use captions when you hover over de upgrades, WAT 2 DO should describe the all the graphs but try not to do upgrades in WAT 2 DO
Continuing my comment: what I mean is the tile with a shopping cart inside a button to open the shop just make sure the tile insid is a different color (or just do your own thing)
Wall weaker decreases the percentage, by what the speed/a/ad decreases whe the bullet it’s the wall wall.