Xbox One version included in Xbox Game Pass for Console, Windows Store version included in Xbox Game Pass for PC, both versions included in Xbox Game Pass Ultimate.
No pre-load, unlocks everywhere at the same time (6pm) on Steam/Win10/XB1. Only cross-play between Steam & XB1 at launch.
Day 1 matchmaking playlists:
SOCIAL GAMES
1v1 Matchmaking
Game Categories: Slayer
Maps: Countdown, Zealot, and Forge World (MLG Element, MLG Sanctuary)
Settings: Hardcore ZBNS
2v2 Matchmaking
Game Categories: Slayer, Flag & Bomb, Zone Control, Asset Denial
Maps: Countdown, Powerhouse, Reflection, Anchor 9, Battle Canyon, Solitary, and Forge World (Asylum, Select)
Settings: Title Update
4v4 Matchmaking
Game Categories: Slayer, Flag and Bomb, Zone Control, Asset Denial, Action Sack, SWAT, Snipers, and Grifball*
Maps: Boardwalk, Countdown, Powerhouse, Reflection, Sword Base, Zealot, Anchor 9, Tempest, Condemned, Battle Canyon, Penance, Solitary, High Noon, and Forge World (various)
Settings: Title Update (Grifball is Vanilla)
8p FFA Matchmaking
Game Categories: Slayer, Zone Control, Asset Denial, Action Sack, SWAT, and Snipers
Maps: Boardwalk, Countdown, Powerhouse, Reflection, Sword Base, Zealot, Anchor 9, Condemned, Battle Canyon, Penance, Solitary, High Noon, and Forge World (various)
Settings: Title Update
12p FFA Matchmaking
Game Categories: Infection
Maps: Boardwalk, Countdown, Powerhouse, Reflection, Sword Base, Zealot, Anchor 9, Condemned, Penance, Solitary, and Breakneck
Settings: Vanilla
8v8 Matchmaking
Game Categories: Slayer, Flag and Bomb, Zone Control, Asset Denial, Action Sack, and Snipers
Maps: Boardwalk, Boneyard, Spire, Breakpoint, Tempest, Highlands, Ridgeline, High Noon, Breakneck, and Forge World (various)
Settings: Title Update
COMPETITIVE GAMES
Halo: Reach Team Hardcore
Game Variants: Hardcore Slayer, Hardcore CTF 3, Hardcore CTF 5, and Hardcore King
Maps: Countdown, Zealot, Battle Canyon, Penance, Forge World (MLG Sanctuary, MLG Pit, MLG Nexus)
Settings: Hardcore ZBNS (based on MLG v7)
Invasion
Game Variants: Invasion
Maps: Boneyard, Spire, Breakpoint, and Forge World (Broadcast, Floodgate, Overgrowth, Refinery)
Settings: Vanilla
FIREFIGHT
Heroic Firefight Limited
Game Variants: Firefight Limited and Generator Defense Limited
Maps: Beachhead, Corvette, Courtyard, Glacier, Holdout, Outpost, Overlook, Waterfront, Unearthed, and Installation 04
Firefight Arcade
Game Variants: Arcadefight, Fiestafight, Fistfight, FRGfight, Nadefight, Plasmafight, Rocketfight, and Sniperfight
Maps: Beachhead, Corvette, Courtyard, Glacier, Holdout, Outpost, Overlook, Waterfront, Unearthed, and Installation 04