Click the button, buy stuff, that's the simple part. Hover over an upgrade from the right side to see its information. And finally, suggest any ideas you want here in the comments!
Notes: There is literally no limit to this game, so feel free to play for as long as you like! Credits: This was 100% made by me, so feel free to appreciate my effort! Version history: v1.0 - Main release - 7 upgrades, wow. - Golden button with 3 possible effects, wow. v1.0.1 - Added indicator if you can afford a specific upgrade or whatever (Suggested by @Peekstar (Add a y between the k and s)) v1.1 - More upgrades v1.2 - 4 sovenirs, wow - Oh and 1 more "special" upgrade