So, anyone play?
Halo: Combat Evolved is not free, but very fun.
Halo Trial Is free and Multiplayer.
Both games have modified maps that can feature things like portals to cliffs(Witch are out of bounds), Pistols that shoot rockets, Snipers that shoot Plasma Grenades, Sky bases,flying warthogs ect.

Also if anyone has Xfire, My name is Kr4zyGho5t.