Version 1.2.0 [JAM]

Wherein I forgot to bump the version number until after I did the build and uploaded all the files because it was 3 in the morning!

Changelog

• arena background fiddling
• ui color tweaks
• enemy stacking prevention
• enemy formations
• basic main menu
  • now you can quit the game with a controller!
  • and you can check your hi-scores without playing a run