Custom Robo Arena (Nintendo DS)

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AIRS Robo

Defeat Stark twice in the grudge matches. The first time he will use his regular Robo, then he will use AIRS. You can find AIRS' parts in the Underground Shop.

Carat

Beat all Robo type Mission battles, then beat Catoreya.

Easy money

Defeat Pete with a "Perfect" to get about $51.50.

First Exam Answers

Use the following answers to pass the first exam:

Question 01: C
Question 02: B
Question 03: C
Question 04: A
Question 05: C
Question 06: B
Question 07: A
Question 08: B
Question 09: A
Question 10: C
Question 11: C
Question 12: B
Question 13: A
Question 14: A
Question 15: B
Question 16: B
Question 17: A
Question 18: C
Question 19: B
Question 20: B

Grudge Match fighters

Complete the indicated task to unlock the following fighters for the Grudge Match.

FighterHow to unlock
CleaverGet 20 illegal parts.
EddyWin all other grudge matches except for Liv.
HardoronDefeat the four Greybaum boss data.
KindajGet10 illegal parts.
LivDefeat Eddy.
MarvComplete level 10 in the arcade (just the Robo).
Marv's parrotGet 7 gold trophies in the arcade.
SlingGet 15 illegal parts.
StarkGet "Marquises" rank.
SytheUse 20 illegal parts.
Yourself (first time)Win 10 to 13 grudge matches.
Yourself (second time)Defeat Hadron.

Hadoron

Beat all 4 Greyham Boss data and Hadoron data, and you will recieve Hadoron and his parts.

Hiykko Robo

Win the Great Robo Cup. Then, go to the Team No.1 Clubhouse. Talk to the boxes above the stairs to begin a battle. Defeat your opponent without using a combo that gets over 380 damage.

Illegal Robos

Go to the underground. Go to the middle door then talk to the clerk selling parts.

King's Throne diorama

Reach "King" rank, then talk to Lambda Halburn at Neobrain.

Meijel, Nanase set and key to the underground

Beat your shadow self above ground.

Minstrel

Beat Hajime in your classroom after he brings Saki to school.

Other Illegal sets

Purchaseable in the Underground for Robos: 50000 credits, Guns: 50000 credits, and the rest of the parts 20000 credits.

Ray

Defeat Eddy and Liv will appear at your clubhouse. Defeat her.

Ray 01

Go to the underground. Go to the middle door then talk to the clerk selling parts.

Ray and Sagitarius Gun

Beat Saki in your classroom after she returns.

Ray II Dark

Beat your shadow self in the underground the second time.

Ray Mk Ii Robo

Win the Great Robo Cup. Then, go talk to your father at his lab.

Ray Sky

Go to the underground. Go to the middle door then talk to the clerk selling parts.

Shrinking parts

At the end of the game, after purchasing the Pipit Robo, the Jameson Robo, all Amun parts, equip the Amun parts to Jameson, then Pipit, then Jameson again. The Amun gun and Amun bomb parts will have shrunk to the size a normal gun would be, instead of giant. They will look superdeformed on the Jameson robo.

Sudden Death stage

After beating the Robo Cup, talk to the scientist facing the glass in one of the laboratories on the upper floor of NeoBrain. Beat him, purchase stage.

The underground

Beat a dozen grudge matches, then beat your shadow self. Once you beat him, talk to the man in SW bayside to open the secret entrance.

Victory diorama

Reach "King" rank, then talk to Lambda Halburn at Neobrain.

X-ray Robo

Win the Great Robo Cup. Then, go to the police station. Talk to one of the people at a rear desk to buy the X-Ray Robo for 50,000 credits.