Armor permutations (Halo 2: Anniversary)
From Halopedia, the Halo wiki
Armor permutations in Halo 2: Anniversary allow players to customize their Spartan and Elite player model. Every armor set is already unlocked in game.
Overview
The armor customization of Halo 2: Anniversary regresses from that of customization featured in Halo 4, only allowing for the swapping of entire armor sets, over individual pieces of armor. The armor of Halo 2: Anniversary is based upon the MJOLNIR Powered Assault Armor [GEN2] model, much like Halo 4 as well. To reiterate, armor in Anniversary is unlocked upon starting up the game, enabling the player to just swap between all available armor without any prerequisites required.
Six armor sets are present, equally split between Spartans and Elites, with the latter species making a return to the multiplayer section of the game for the first time since Halo: Reach in 2010.