! IMPORTANT ! use number keys to switch areas (there are currently 3). the first button of each area is always assessable. also, tech you need for 1 cash is less than 1 million, but for 2 cash you need like 100 million because it goes up exponentially. for fame, getting one takes almost 1K cash, but 2 needs over 10K.
500 views... I'm famous... note: game is discontinued. if you want new features in the game, make a remix. also we are like the 3rd result when someone searches "upgrade tree".... i genuinely never thought that would happen (: we must beat sand upgrade tree. attack!! well not attack just get more views than them lol.