Upgrades:

-Zero System Stage 1 Prcie: 50,000G Basic Zero System. Note: Must have on 2 weeks before you can fight with it. -Zero System Stage 2 Price: 100,000G Upgraded Zero System. Note: Must be on 4 weeks before you can fight with it.  Must have Stage 1. -Zero System Stage 3 Price: 150,000G Further Upgrade. Note: Must be on 6 weeks before you can fight with it.  Must have Stage 2. -Zero System Stage 4 Price: 200,000G Final Upgrade Note: Must be on 8 weeks before you can fight with it.  Must have Stage 3.

-Epyon System Stage 1 Price: 200,000G Basic Epyon System. Note: must be on 4 weeks before you can fight with it. -Epyon System Stage 2 Price: 400,000G Final Epyon System. Note: Must be on 8 weeks before you can fight with it.  Must have Stage 1. -Space Upgrade Price: 150,000G Allows you to fight in space. -Gundam Upgrade Price: 100,000G Makes Mobile Suit into a Gundam.

Note:  Zero systems aren't better then Epyon systems, Epyon just costs more and takes less time, and Zero costs less and takes more time.