Move the bot: left, right, up, down arrows.
v0.0: robot: animations ability gem farm portal: gem number gem to collect v0.0.1 fixed bugs: gems in menu v0.1.1: XP Bar v0.1.2: new gem: Ruby v0.1.2.1: level number v0.1.2.2: portal enter animation music v0.1.2.3: easier XP v1.0.2.4: fixed XP bar bug
