Halo 3 is hard because you actually have to have Skill to get a kill in Halo 3 which is one of the reasons why I loved Halo 3 & is still the best, also you have to know where the opponents are likely to spawn in at, know power weapon time spawn, power up time spawn & you have to keep a steady aim, keep the reticle on

Is Halo Reach multiplayer hard?

Anyway, definitely, if youre a hard-core gamer, play “Reach” on a harder setting. The online multiplayer is, too, despite that it doesnt let gamers come into games midgame (which leads to games where one team has more players than the other).