Challenges

Challenges are in-game objectives featured in Halo: Reach, Halo 4, Halo: Spartan Assault, Halo: Spartan Strike. Completing a challenge's requirements awards the designated amount of credits or experience points. Challenges are one of the main methods of gaining experience points for the player to rise up in their in-game ranks. Challenges are only available while connected to Xbox LIVE.

Halo: Reach

Main article: Halo: Reach Challenges

Halo: Reach challenges are separated into campaign challenges and multiplayer challenges. There are four daily challenges and one weekly challenge after every update. By completing challenges, players gain more credits and in turn rise up in ranks.

Halo 4

Main article: Halo 4 Challenges

Halo 4 challenges are separated into campaign challenges, Spartan Ops challenges, and Matchmaking War Games challenges. Campaign and Spartan Ops are weekly challenges, while War Games challenges are separated into daily challenges, weekly challenges, and a monthly challenge.

Halo: Spartan Assault

Main article: Halo: Spartan Assault Assault Ops

Halo: Spartan Assault Assault Ops (known in the Windows versions as "challenges") are only present in the campaign. There are three weekly challenges, and 90 permanent mission-specific challenges (three per mission). Completing challenges earns players XP.

Halo: Spartan Strike

Main article: Halo: Spartan Strike Assault Ops

Halo: Spartan Strike Assault Ops are again present in the campaign. There are three weekly Assault Ops and 90 mission-specific Assault Ops (three per mission). Completing challenges earns players cR.