New upgrade system, better balancing, fixes and more levels!

We worked all week following the game jam to get the game as close as possible to our initial vision!

So we could fix all the issues we found: bugs, performance, balancing.
The game now is more interesting than before, each level ends with a dilemma that will force you to re-discover the levels. They become more challenging and less boring than before, with musical changes too.

Various options are also available now in the pause menu to make the game run more smoothly on modest machines.