Complete Kogoeria (the third planet) to get the card input machine. Then, enter one of the following codes into the "Card Input" keypad to reveal a constellation. You must then trace a pattern on that screen as revealed by the following videos.
1. When evolved these Child Spectrobes will lose their special appearance.
Created by WishingTikal.
Press Up, Down, Left, Right, A at the title screen before creating a new saved game for two exclusive Spectrobes, Metallic Ryza and Metallic Leo.
At the title screen, before you create a game save (there is no way to use this code on a play-through that has already been started).
After obtaining the 3rd Shard, talk to the large member of the "three shady characters" that harassed you throughout the mission. Make sure Jeena is with you. He'll let you link up to your copy of Spectrobes: Beyond the Portals for the Nintendo DS to unlock these two Spectrobes and put them in your Incubator.
Once you beat the Krux, save! Then continue on the file you beat him on, and it will say that a silver Komainu was added to the first avalibe open space in your incubeator. His shininess simular to Leopuba and Rygazelle's but silver.