From Halopedia, the Halo wiki
race at end of the last level
first time playing 343guiltyspark boss battle(co-op). i fell or the bridge do too my constant use of play through clip glitch.glad it got patched
once traded halo3 for mythic edition then realized it has no multiplayer. awaiting new halo reach( sold it to get limited edition. waiting for it and begging no legendary edition). want halo wars limited edition now.