Rumble Pit

Rumble Pit is a Halo 2 playlist based around "free-for-all" action. It allows up to 8 players, and rotates through a selection of maps and gametypes, most notably the "slayer," (Including varients like swords, and shotguns) "fiesta" rules.

Rules and Maps
Bungie changes the exact list of maps and rules periodically; the list as of 5/26/06 is:

Slayer-- Elongation

Slayer-- Gemini

Slayer-- Ivory Tower

Slayer-- Lockout

Slayer-- Sanctuary

Slayer-- Turf

Slayer-- Warlock

Slayer-- Beaver Creek

Slayer-- Midship

Rifles-- Burial Mounds

Rifles-- Colossus

Rifles-- Terminal

Slayer-- Ascension

Slayer BR-- Relic

Slayer BR-- Terminal

Slayer-- Foundation

Slayer Covenant-- Ivory Tower

Snipers-- Ascension

Snipers-- Burial Mounds

Snipers-- Colossus

Snipers-- Relic

Snipers-- Terminal