Halo 3 ODST Sierra 117
halothemasterchiefcollection — Mods & Enhancements
This is a work in progress mod, that converts the entire Halo 3 campaign (Just sierra 117 at the moment) into an ODST campaign.
📦 Full mod page on discovermods
Downloads, ratings, compatibility info, installation guides, and user reviews.
View on discovermods →Syntax
CampaignExample
Downloads: 563💡 Notes
By Gab
🎯 Tips & Tricks
Install with mod manager
Use Vortex/MO2 for automatic installation.
🔧 Troubleshooting
Mod conflicts
Check load order. Disable conflicting mods one by one.
⚠️ Common Mistakes
- Installing without checking requirements
👍 Pros
- 22 endorsements
👎 Cons
- Requires correct game version