All these codes are entered on the main title screen where it shows the logo for the game and tells you to press START. All Portals Unlocked U, U, D, D, L, R, U, D, A Warp Ability L, R, R, L, U, L, L, R, A 99 Lives in New Game L, R, R, R, D, U, R, U, A Infinite Health in the Sparx Levels D, U, U, D, L, R, R, L, A Infinite Ammo for weapons in the Sparx Levels D, R, U, L, L, U, R, D, A Weapon Select in the Sparx Levels R, U, R, L, D, U, L, D, A After entering that code on the title screen, go to any Sparx level and while your in there press the following combinations to select what thing you want: U + Select - Shield Weapon D + Select - Homing Missiles L + Select - Widespread Bullets R + Select - Purple Wipeout L Button + Select - All Keys Collected Key: D = Down R = Right L = Left U = Up A = A Button L Button = L Button