Press the "?" in the top right. It tells you each accessory upgrade (plant upgrade) gives +5% critical. critical gives x2 money upon a rep, as shown by a little "x2" graphic
at first i played this i was confused then i went to a diff game then the 2nd time i say to my self this is a really good game good job dev but keep adding more upgrades
Glad you like it, i will be adding more upgrades and other tweaks on the upcoming updates! (I may not be able to get it out till after the holidays early January but I will get it done)
Press the "?" in the top right. It tells you each accessory upgrade (plant upgrade) gives +5% critical. critical gives x2 money upon a rep, as shown by a little "x2" graphic