Halo: The Master Chief Collection

Halo: The Master Chief Collection

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Items (34)
Halo 3: Trooper
Created by DrearyMussell5
Play through Halo 3's campign in third person as a human ODST. Fair warning, these aren't the super humans of Halo 3: ODST or the classic Spartans of the triology. You will be playing as a standard, non main character human and your survival is in no way g...
gm_construct
Created by Matthew
A port of gm_construct from the famous half-life 2 mod, Garry's Mod. The decals and 3d skybox are missing due to me not being able to figure out how to implement them properly without screwing things up....
Half life 2 NPC's
Created by shaban95
NPC's ADDED: gman (biped) Headcrab FastZombie Zombie strider combine antlion antlionGuard bullsquid houndeye Spider ZombieTorso PoisonZombie vortigaunt Zombine BlackHeadcrab If you're a modder looking to enhance NPCs, you can download this mod file from Ne...
Glacier AI Battleground
Created by Sera
GLACIER AI BATTLEGROUND Re-create Halo's mightiest battles in forge today with the return of the popular map mod "Glacier AI Battleground" which has now been Revamped and Unbroken! This time featuring more than 180+ AI Variants that you can spawn right thr...
Halo 3 ODST Multiplayer Maps
Created by Krevil
Halo 3's Multiplayer maps in ODST Contains the following maps: Rat's Nest Ghost Town Standoff Narrows Construct The Pit High Ground Guardian Isolation Valhalla Epitaph Sandtrap Snowbound Foundry Last Resort Additional DLC maps have been omitted due to thei...
Scuffed Sandtrap Forge
Created by Portalfan103485
Description A custom version of Sandtrap made for Forge. Adds many new weapons, vehicles, map changes, easter eggs, and more! Have fun! 1.4 Release 1.4.0 Changelog: Changed skybox New OP Elite AI that patrols the map New hidden custom SMG with a red dot si...
Aircraft Battle (forge world)
Created by Mr Zeeks
Aircraft Battle (forge world) infinite spawing aircrafts!! NEW TO MODDING In Campaign the Ai do respawn In Multiplayer, they do not....
Perfected Forge World (Grass World)
Created by JackProGamer117
The perfect version of Forge World! In this mod I added a lot of new vehicles (like every single one lol) and a lot of new weapons. All vehicles are polished and fully functional (with the exception of the Rampart turrets), and all the hidden features have...
Ultimate Forge - Noble Actual
Created by armyofdrakes
A playable version of the cutscene level at the start of the Reach campaign, including my Ultimate Forge World forge menu! A campaign level turned into a forge map. Credits to: Snow Silver for the Tyrant Base Drksteel for help with the designators Join the...
Ultimate Forge - Nightfall
Created by armyofdrakes
A playable forge version of the fourth level in the Reach campaign, including my Ultimate Forge World forge menu! A campaign level turned into a forge map. Credits to: Drksteel for help with the designators Join the Discord server for updates, questions, a...
Ultimate Forge - Winter Contingency
Created by armyofdrakes
A playable forge version of the second level in the Reach campaign, including my Ultimate Forge World forge menu! A campaign level turned into a forge map. Credits to: Drksteel for help with the designators Join the Discord server for updates, questions, a...
Forge World Cinematic Version
Created by GammaZed
Adds large fleet vehicles from the UNSC and Covenant. Also adds placeable sound and visual FX and extended bounaries....
Ultimate Forge - ONI: Sword Base
Created by armyofdrakes
A playable forge version of the third level in the Reach campaign, including my Ultimate Forge World forge menu! A campaign level turned into a forge map. Credits to: Drksteel for help with the designators Join the Discord server for updates, questions, an...
Ultimate Firefight Series- New Map: Waterworks (Updated 19th September 2025)
Created by weaver900
Created by Weaver900- New SPV3-Inspired Roguelite Co-Op Firefight mode for Halo 3 I accidentally nuked this description because I suck... I've been really busy lately but will try to restore it soon! To start this mod please go to the campaign menu, Halo 3...
NMPD HQ - ODST Campaign Forge
Created by just alex
Kikowani Station is still very bugged, cant find a fix that works so it wont see the light of day for a long time. IMPORTANT to see hands, you need to set the player customisation character to the Rookie. to play on unsc team, be on green team. don't skip ...
Installation 04 AI Battleground
Created by Sera
INSTALLATION 04 AI BATTLEGROUND Re-create Halo's mightiest battles in forge today with the return of the popular map mod "Installation 04 AI Battleground" which has now been Revamped and Unbroken! This time featuring more than 180+ AI Variants that you can...
Valhalla AI Battleground
Created by Sera
VALHALLA AI BATTLEGROUND Have you ever wanted to fight alongside brutes? or perhaps join the flood? or just have every faction battle it out in a FFA? well this is the mod for you! this includes all the AI from Campaign that you can spawn right through the...
Hugegrass
Created by RejectedShotgun
Hugegrass V2 is a complete remake of the original massive-scale Halo 3 map built for 8v8 Big Team Battle. The map features 25 brand-new vehicles, 5 new weapons, and a new equipment. The entire Halo 3 sandbox remains faithful and unchanged. However, with th...
Killamanjaro AI War
Created by RejectedShotgun
Killamanjaro & Ark AI War A never-ending war set on Earth near the recently uncovered Ark portal. Covenant forces will resupply endlessly with many unique encounters such as Scarabs, Covenant Cruisers, and modded AI like the Locust. This map is intended to...
sierra 117 - Campaign Forge
Created by just alex
forge in campaign for halo 3, but only for the first level, sierra 117 IMPORTANT to play on unsc team, be on green team. player can use elites, but they don´t have all animations so they hold some weapons incorrectly and can´t use some vehicles at all. Key...
Crows Nest - Campaign Forge
Created by just alex
forge for the campaign mission "Crows Nest" for some reason it sudently stoped not working and can be played fine now. IMPORTANT to play on UNSC team, be on green team. player can use elites, but they don't have all animations, so they hold some weapons in...
tsavo highway - Campaign Forge
Created by just alex
forge for the campaign mission "tsavo highway" IMPORTANT to play on UNSC team, be on green team. player can use elites, but they don't have all animations, so they hold some weapons incorrectly and can't use some vehicles at all. Key Combos melee + zoom = ...
the storm - Campaign Forge
Created by just alex
forge in campaign for halo 3, but only for The storm IMPORTANT to play on UNSC team, be on green team. player can use elites, but they don't have all animations, so they hold some weapons incorrectly and can't use some vehicles at all. game might DURING SC...
floodgate - Campaign Forge
Created by just alex
forge for the campaign mission "floodgate" forge in campaign for halo 3, but only for The Covenant IMPORTANT to play on UNSC team, be on green team. player can use elites, but they don't have all animations, so they hold some weapons incorrectly and can't ...
The Ark - Campaign Forge
Created by just alex
forge in campaign for halo 3, but only for The Ark IMPORTANT to play on UNSC team, be on green team. player can use elites, but they don't have all animations, so they hold some weapons incorrectly and can't use some vehicles at all. Key Combos melee + zoo...
the covenant - Campaign Forge
Created by just alex
forge in campaign for halo 3, but only for The Covenant IMPORTANT forging for final section is screwed up, from third tower to the ending, placing forge objects is only possible at the final hornets section, placing anything will result in the player being...
Cortana - Campaign Forge
Created by just alex
forge for the campaign mission "Cortana" for some reason it sudently stoped not working and can be played fine now. IMPORTANT to play on UNSC team, be on green team. player can use elites, but they don't have all animations, so they hold some weapons incor...
Halo - Campaign Forge
Created by just alex
Do not skip any control room cinematic Last piece of the Halo 3 campaign forge. Reach campaign forge is imposible cause AI place is incompatible with multiplayer, only the scenario forge is posible with limited level progression. IMPORTANT Do not skip any ...
halo 3 odst - Campaign Forge
Created by just alex
IMPORTANT to see hands, you need to set the player customisation character to the Rookie. to play on unsc team, be on green team. don't skip cinematics, will remove fx sounds and might crash the game. mod includes all default forge stuff and: somewhat work...
Ultimate Forge
Created by RejectedShotgun
A serene alpine sandbox with plenty of space and a vast palette of new content. IMPORTANT INFO ULTIMATE FORE 2.0 IS NEARLY COMPLETE. 9 new maps, many new vehicles, weapons, AI, & objects. Lots of polish and updates to all existing content. You can try a te...
Halo 3 Valhalla Endless AI Battle
Created by I can't win :(
A Halo 3 modded map with endless AI battles in the multiplayer map Valhalla. Join the UNSC and fight against hordes of Covenant forces, or join the ranks of the Covenant and try to defend from the invaders in this large battle of attrition. Features: - End...
Ultimate Forge World
Created by armyofdrakes
A brand new version of Forge World with tons of new vehicles, scenery, and more! A remastered version of RejectedShotgun's old masterpiece. Your inner child's dream mod. Credits to: Snow Silver for the Tyrant Base Drksteel for help with the designators Joi...
Forge World AI Battleground
Created by Sera
FORGE WORLD AI BATTLEGROUND Re-create Halo's mightiest battles in forge today with the return of the popular map mod "Halo Reach MCC PC Working AI Forge Menu" which has now been Revamped and Unbroken! This time featuring more than 180+ AI Variants that you...
Halo Reach - Infantry
Created by DrearyMussell5
WELCOME This is the place for the current build of Halo Reach - Infantry DIFFICULTY NOTICE As with all infantry mods I release, these missions are intended to be brutal. If this is your first time playing through the mod, I would HIGHLY recommend Normal di...