Be nice to your dragon by always smiling to him, petting him, letting him sleep until morning, etc. Also give him a name at the beginning. Astral Phantoms allows your dragon to attack on its own.
After having the Eye Wing Dragon, visit Shellcoof and access all of the pyramids around the ship. Enter the ship and fly to the Genesis Chamber where you find the Dragon Crest and Amrosias. Also found here is a Baby Dragon who will tag along and collect items unreachable to you. Access the Baby Dragon to receive the items.
While viewing enemy info., plug a controller into the second port and Press Start. Now you can change the color and brightness of an enemy with different buttons.
During a cutscene press L or R to speed up or slow down the speech.
To make this secret work, make sure your Saturn has a save file for Panzer Dragoon Zwei in its backup memory. For every hour you have played Panzer Dragoon Zwei you will get 100 Dyne when you start Panzer Dragoon Saga. Example: If you have played Panzer Dragoon Zwei for 8 hours, then you will start off Panzer Dragoon Saga with 800 Dyne.
Collect all twelve of the D-Units that are scattered around. There are two in each of these places - the Valley, the Desert, Uru, Uru Caves, the Forest of Zoah, and The Tower.
If you have a Panzer Dragoon Zwei save on your Saturn, the little girl in the Holy District of Zoah will give you a Music box which plays the Panzer Zwei theme at Campsites.