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Sanctuary AI Showdown | Endless Halo 2 AI War

“UNSC forces have landed on Installation 05 and are engaging the Covenant near the LZ. Covenant forces are stubbornly holding on to a Forerunner memorial site. The UNSC has redirected the Master Chief to assist Marines and ODST’s with neutralizing the defenders. Hard-fought close quarters conflict is about to kick off.”

*Mod fully updated to function with the February 28th, 2025 patch of Halo: MCC.

Welcome to my next Halo 2 map, and happy 20th birthday to a game I love very much! This AI battle was designed to be somewhat more tactical and close quarters themed. I tried to design this map to play similar to Delta Halo/Regret’s infantry combat sections. The UNSC and Covenant are doing battle over the ruins of Sanctuary, and only you can help your side turn the tide. The battle is very customizable with my AI control system’s first debut in Halo 2. As with my other Halo 2 maps, two versions are included so you can choose which side you want to help fight alongside. Play as the Master Chief alongside the UNSC, or an Elite Ultra with the Covenant. The battle is endless and AI respawning delays are short, to keep things deadly and action packed.

• An endless AI battle that lasts as long as your session goes. Also special depth added to the AI that take part in the battle, with many possibilities of ranks, weapons carried, species, and more. This is all decided at random with custom weighting.
  
• Pathfinding for AI everywhere.
  
• Placed control switches for each team that allows for full customization over the AI battle. You decide which squads spawn in and join the fight.
  
• Placed weapons and grenades on map that respawn automatically. The layout is very similar to the multiplayer version of Sanctuary. These pickups feature proper themes for the faction that spawns on each side.
  
• All skulls from the campaign are fully functional. Feel free to use these to customize the experience further.
  
• All 4 difficulties are fully supported. The map has been balanced best for Normal and Heroic, but all work fine!
  
• Over 35 AI that can optionally take part in the battle, with care taken to ensure the total population does not overwhelm the H2 engine.
  
• Bonus switches on top of the central building that are ideal for spectators. These include setting all bots to be friendly to the player, and a delete all AI command.
  
• Special orders for many of the AI squads to make sure all members are participating in some way with the battle.
  
• Custom code that awards checkpoints to players periodically, so death won’t always reset you to game start.
  
• And more!

After subscribing to this project and letting the download complete, launch the MCC with anti-cheat disabled. Navigate to campaign, then Halo 2: Anniversary, and in that menu there should be an option that has appeared called "Sanctuary AI Showdown | Endless AI War". Click on that option, and in the next menu select “missions”. There are two missions included in the mod. Both are identical maps, with the only difference being the side you are allied with, and the character you play as. To play as the Covenant, select the “Covenant” option. To play as the UNSC against the Covenant forces, choose the “UNSC” option. The experience is highly customizable with players being able to choose the game difficulty, as well as which Skulls are active for the session. All of the Skulls are fully functional, just like in the campaign. After selecting your options, launch the level and have a blast!



Halo CE Assault Rifle made by VKMT. Find it here: https://www.nexusmods.com/halothemasterchiefcollection/mods/1561