After you Beat Grand Battle Mode, go back to the 'Outside world' Amusment park. Enter the Silver Battle Royal and do not skip the senario. Before the match starts walk straight down until you find a broken carriage. You can enter the carriage on the right side. Inside tap A like crazy till you pick up a data chip. And now you have big, bad Rahu3.

• Arcade Mode: Beat a new journey in story mode.
• Dark Star VS. Stage: Play 50 VS matches.
• Useable CPUs in VS battle: Beat a new journey in story mode.
• First Person Mode: Beat a new journey in story Mode
• Grand Battle: Beat a new journey in story mode.
• Parts Index: Beat a new journey in story mode.
• Ray Legend: Get a gold trophy in all cups in the Z headquarters then talk to Oboro.
• Ray Warrior: Get a gold trophy in all the cups in the Amusement Park, then talk to the policeman at the front gate.

Go to VS mode highlight the basic arena or No Man’s Land and press Z.

Start from the "Z Syndicate Hideout" in the Outside World. Go to "Isabella's Masion" . Do not skip the senario and head to the southside of the large container. You'll be able to move inside the container, then push A rapidly. You now have the first stage of Rahu.

Start from the "Z Syndicate Hideout" in the Outside World. Go to "Z Bosses Room". Do not skip the senario, face the the column on the leftside of the room and push A. Chickenheart may have low ATK, DEF, DWN & SPD but make up for it in it's high aerial abilties and stealth fuction.

Start from "Hero's House" in the Inside World. Head inside Lucy's Office and go through the second door. Talk to the rodot and you'll be given Oil Can. Oil Can is the weakest robo of all the robos.

Start from the "Lab" in the Inside World, then to the "Lab Single Battle". Do not skip the senario, stand in front of south-end of the book case and push A.

Rahu parts set 1 ... Go to Isabella's mansion in Z's hideout and locate a glass case. Go behind it and press A to pick-up the parts.

Rahu parts set 2 ... Clear the Bronze Handicap match in the Amusement Park. Before fighting Lucy and her partner, speak to Lucy several times until the parts are received.

Rahu parts set 3 ... Clear the Silver Battle Royal in the Amusement Park and then go inspect the merry-go-round to pick-up the parts.

To obtain the X-laser enter grand battle and go to bogey's cafe. Go behind the bar and press the "A" button rapidly. You should be able to pick up the X-laser.

Go to the testhall in the grandbattle and beat machine #4 then talk to him about 4 times then he will give the crystal strike gun info.

If you look carefully at Bogey of Custom Robo Battle Revolution and Samurai Goroh of F-Zero GX, you will see that they have the same facial contortions and sunglasses.