Galactic Wrestling: Featuring Ultimate Muscle

Alternate costumes:
Press Square when choosing a wrestler at the character selection screen. Note: Not all characters have alternate costumes.

Play as Barracuda:
Win tournament mode as Robin Mask

Play as Barracuda:
Win tournament mode as Robin Mask.

Play as Big Budo:
Win tournament mode as Kevin Mask.

Play as Blackhole:
Win the tag tournament mode as King Muscle and Prince Lou Ow.

Play as Buffalo Rampage:
Win tag tournament mode as King Muscle and Lomeinman.

Play as Chojin Kid Muscle:
Collect 200 Kinkeshi toys, then win tournament mode as Kevin Mask.

Play as Comrade Turbinski:
Defeat ten opponents in survival mode.

Play as Devil Buffaloman:
Win the tag tournament as King Muscle and Mongolman.

Play as Evil Ricardo:
Win tournament mode as Kid Muscle.

Play as Evil Ricardo:
Win tournament mode as Kid Muscle.

Play as Gold Rouge:
Complete toy collection mode, then complete the mask hunt mode.

Play as Grandpa:
Collect 300 Kinkeshi toys then defeat ten opponents in survival mode.

Play as Kid Muscle:
Collect 200 Kinkeshi toys and win tournament mode as Kevin Mask.

Play as King Muscle:
Win team mode with the following teams (in order) Ramenman, Beetlebomb, Robin Mask, Neptuneman, King Muscle; using this pattern: win one round with the character, lose the next round with that character, then use the next character to win one round, etc. Repeat this cycle until team mode has been completed.

Play as Lomeinman:
Collect 50 Kinkeshi toys.

Play as Lord Flash:
Collect 200 Kinkeshi toys.

Play as Lord Muscle (black costume and Terryman moves):
Win tag tournament mode as King Muscle and Lord Muscle (tan costume and Prince Kame Hame moves)

Play as Lord Wrangle:
Win the tag tournament mode as King Muscle and Prince Lou Ow.

Play as Mayumi Kinnikuman:
Collect 300 Kinkeshi toys and get ten wins in survival mode.

Play as Neptuneman:
Win tournament mode as Robin Mask.

Play as Poseidon:
Win tag tournament mode as Neptuneman and Big The Budo.

Play as Prince Lou Ow:
Win tag tournament mode as King Muscle and Lomeinman.

Play as Ramenman:
Collect 50 Kinkeshi toys.

Play as Ricardo:
Win Mask Hunt mode.

Play as Rogue Shogun:
Unlock King Muscle, then win tag tournament mode as Shivano and Sunshine Supreme.

Play as Shivano:
Win tournament mode as Kid Muscle.

Play as Starface:
Win tag tournament mode as Neptuneman and Big Budo.

Play as Street Scrapper:
Successfully complete mask hunt mode.

Play as Street Scrapper:
Unlock King Muscle then win Mask Hunt mode.

Play as Sunshine Supreme:
Collect 100 Kinkeshi toys.

Play as Vance McMadd:
Get ten wins in survival mode.

Alternate ending sequence:
Unlock a bonus character to change the ending sequence. Note: Each new character will change the ending sequence again.

Final Kinkeshi mode machine:
After the first five machines are completed, a sixth machine with the final three Kinkeshi will be unlocked.

Hint: North American names:
The North American: Japanese version of the characters are as follows.

Barracude: Mr. Barracuda
Beetlebomb: Geronimo
Big Budo: Big The Budo
Bone Cold: Incio
Brocken Jr: Blocken Jr
Buffalo Rampage: Buffaloman
Canadianman: Manitoban
Dik Dik Van Dik: Gazelleman
Eskara/Mars: Scarface/Malice
Gold Rogue: Goldman/Goldmask
Grandpa: Kinniku Diaou
Hanzo: Hanzou
Jeager: Jade
Kid Muscle: Kinniku Mantaro/Kinnikuman Nesei
King Muscle: Kinniku Suguru/Kinnikuman
Lomeinman: Mongolianman
Lord Muscle/Lord Wrangler: Kinnikuman Great
Ninja Ned: The Ninja
Poseidon: Neptune King
Prince Lou Ow: Prince Kamehameha
Rogue Shogun: Akuma Shogun
Shivano: Ashuraman
Skullduggery: Kinkotsuman
Sosumi: Rikishiman/Wolfman
Starface: Pentagon
Street Scrapper: Kenkaman
Sunshine Supreme: Sunshine
Terry Kenyon: Terry The Kid
Vance McMadd: Harabote
Wally Tusket: Sieuchin