Galaga: Demons of Death 01. XVOKVUXK Infinite lives 02. PAKKKILA Start with 1 life 03. TAKKKILA Start with 6 lives 04. KPNIPZEA + GANIZZIA + AAVSIZPA Press START for next wave 05. GGVSGXOX + EZVSIZPE + UGVSTZSE Press START for extra life 06. OXSTZPSX + YESTLOPY Can't be caught by tractor beam! 07. GXEVPAEI Start with twin shots 08. ATNVSAVZ Become invincible 09. GXOKOTEI Play challenge stages only