More:Retro Game Challenge: Cosmic Gate

From GameWinners

Contents 1 Cheat Codes 1.1 Power-up 1.2 Powered-up Infinity form 1.3 Hard mode 1.4 Continue game 2 Unlockables 2.1 Special stages 3 Hints 3.1 Skip to last level

Cheat Codes

Power-up

Pause game play, then press Up(2), A(2), B(2).
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Powered-up Infinity form

Pause game play, then press Up(2), A, B. Note: This can only be done once per game.

Hard mode

Press Down(2), B(2), A(2), Start at the title screen.

Continue game

Press Left + Start at the "Game Over" screen to resume the game, but with your score reset to zero.

Unlockables

Special stages

Play under the Hard difficulty setting and activate the warp gate in Stage 64 to transport to Stage EE. The game will continue to Stages EF, F0, F1, F2, F3, F4, F5, F6, F7, F8, F9, FA, FB, FC, FD, FE, FF, and 00 before starting again at Stage 1.

Hints

Skip to last level

Fire 64 shots without hitting any enemies in level one. Use the warp gate that appears to advance to the last level.