Diamondhead 1: The First Hero

 is a video game in Omni-Legends. It's the first Video Game in the series.

Summary
Play as the hero Diamondhead. Fight alongside Four Arms to take down the new evil opposing Omnitrix City. Interesting story line and amazing combat and action. Are you ready to be the first Hero of the Omni-Legends

Playable Characters
To Unlock Four Arms, you must complete the game once.
 * Diamondhead
 * Four Arms (Unlockable)

Non-Playable Characters

 * Azmuth
 * Feedback
 * The Assembler
 * Feedback's Minions

Level 1
You wake up in your room at the Base. Four Arms wakes you up and introduces you to the game. With his help, you must pass trough the Tutorial in the training chamber. You have to walk around the halls of the Base as well as dodge shots from turrets, use your crystal growth and shooting abilities. Afterwards, you head to Azmuth for the assignment.

Cutscene with Azmuth explaining the assignment.

Cheat Codes

 * OttoMoto - Unlocks Four Arms.
 * Ultimate_RoosterCow - Skips Level

Trivia

 * The game shares its name with the first episode of Omni-Legends, even tho it was never released.
 * The Cheat code for Unlocking Four Arms is a hint at the Ben 10: Omniverse episode OTTO Motives, in which Khoros, The home planet of Four Arms's Species is shown.