All icons and what they do and mean sword - click to increase your attack power (number above the sword is how much damage you do per click) enemy (middle) click to deal damage the enemy changes based on how many you kill (number above is the enemies health bananas - increase your damage per second (number above bananas) When you hover above the bananas or the sword it tells how expensive the upgrade is
I'm currently trying to fix the game but if i can't i will take it down and try to remake it in the future