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- Enhanced Firepower
- For greater firepower in two-player mode, have one player fly his jet directly on top of
the other one. Your firepower will merge, and become faster and more powerful. This works
for both the main weapon and the secondary.
- Level Select
- Select Settings, then choose the Difficulty option. Press and hold L1, L2, R1, R2
and press Start.
- Play the Demo
- To control the demo hold R2 and you can play the demo just like the regular game.
- Unlimited Continues
- For unlimited credits, go to the options screen for either game and press Triangle +
Circle + Square + X. A new option called "FREEPLAY" will appear.