Freeze timer - SXUPZGVG

Slow down timer - NNXOYGEK

Speed up timer - AVXOYGEG

Start with and keep laser missiles - AEUOVIGA

Autofire - OXUONISX

Start with 1 life - PEUPPTLA + PLVOLTLL

Start with 6 lives - TEUPPTLA + TLVOLTLL

Start with 9 lives - PEUPPTLE + PLVOLTLU

Start on world 2 - XZEAUOOZ + PAEAKPAA + VAEASPSA

Start on world 3 - XZEAUOOZ + ZAEAKPAA + VAEASPSA

Start on world 4 - XZEAUOOZ + LAEAKPAA + VAEASPSA

Start on world 5 - XZEAUOOZ + GAEAKPAA + VAEASPSA

Start on world 6 - XZEAUOOZ + IAEAKPAA + VAEASPSA