Added speedup
Merge branch 'master' of github.com:tgashby/Invert
Merge branch 'master' of github.com:tgashby/Invert
Merge branch 'master' of github.com:tgashby/Invert
Merge branch 'master' of github.com:tgashby/Invert
Added particle for death, game over state
working on restart
Merge branch 'master' of github.com:tgashby/Invert