But challenges like “Kill an Enemy Spartan with the Rocket Launcher in PvP” or “Win a Total Control Match in PvP” can only be accomplished against actual players online.
This won’t make the armor and cosmetics better and I still hope 343 improves and changes the way XP and battle pass unlocks work in Halo Infinite, but for now, this is a nifty little trick that has already helped me and others speed up their battle pass progression.