- battles involve young men equipped with metallic life forms
- these are known as Gaist and Gaist Gear
- when you beat a Gaist, you will acquire an item called Gaimetal or Gaiphon
- this can be set to create a Gaist Gear used in combat
- Gaist Gear will come in two different forms
- the balanced fighting type of Mail Form
- the offensive type in Weapon Form
- over 100 different Gaist Gears available
- the game's 3 key points are armament, transforming and collecting
- multiplayer modes will also have co-op and versus modes

Recca

- main character of Gaist Crusher
- uses a wolf-type fire attributed Gaist Gear called Flame Fenrir
- a hot-headed character who happens to be quite the glutton
- his family runs a bento shop

Hayato

- Gaist Gear is the bird-type and wind attributed Wind Garuda
- an intellectual character who excels at using effective strategies in combat
- one of the smarter characters out there
- he does seem to have his occasional slips

Kurama

- uses an eight-headed snake Gaist Gear of earth attribute
- a ninja and is also part of a Gaist ninja organization
- he has the mannerisms of a normal boy

Siren

- Gaist Gear is the Blizzard Unicorn
- based off a unicorn and has an ice attribute
- a lone-wolf type character from a severely cold place, known as Icegard

Izuna

- villain that appears in front of Recca and friends
- mysterious Gaist Crusher that uses a dragon based lightning Gaist Gear, Lightning Dragoon

- several support characters such as the GCG (Gaist Crusher Garrison)
- this consists of the director Vulcan, professor Luminera, captain Bana and the three operator sisters
- real life Gai Metal can be set on the Nintendo 3DS
- this device will get you rare items such as exclusive Gaist Gear and more after installing it to the 3DS