Ratchet and Clank Codes -

Unlock Big head mode for Clank:)
Push Flip Back, Hyper-Strike, Comet-Strike, Double Jump, Hyper-Strike, Flip Left, Flip Right, Full Second Crouch.

Unlock Big head mode for enemies:)
Push Stretch Jump, Flip Back, Flip Back, Flip Back, Stretch Jump, Flip Back, Flip Back, Flip Back, Stretch Jump, Flip Back, Flip Back, Flip Back, Full Second Crouch.

Unlock Big head mode for NPCs:)
Push Flip Left, Flip Right, Flip Back, Flip Back, Flip Back, Comet-Strike, Double Jump, Comet-Strike, Hyper-Strike.

Unlock Big head mode for Ratchet:)
Push Flip Back, Flip Back, Flip Back, Full Second Crouch, Stretch Jump, Full Second Glide.

Unlock Temporary invincibility whenever health is full:)
Push Comet-Strike, Comet-Strike, Comet-Strike, Comet-Strike, Flip Back, Full Second Crouch, Flip Back, Full Second Crouch, Comet-Strike, Comet-Strike, Comet-Strike, Comet-Strike.

Unlock Mirrored levels:)
Push Flip Left, Flip Left, Flip Left, Flip Left, 3-Hit Wrench Combo, Hyper Strike, Double Flip Right, Flip Flip Right, Flip Flip Right, Double Jump, Full Second Crouch.

Unlock Trippy trails:)
Push Wall Jump, Wall Jump, Wall Jump, Wall Jump, Wall Jump, Wall Jump, Wall Jump, Wall Jump, Wall Jump, Wall Jump, Double Jump, Hyper-Strike.