This Halo 4 overhaul mod brings back Halo 3 Master Chief

This Halo 4 mod Reclaimer aims to overhaul the FPS game, starting with bringing Master Chief more in line with Halo 3 - and was done without mod tools

Halo 3 ODST Tayari Plaza Overhaul (Mod) for Halo: The Master Chief Collection

Halo 3 Mythic Menu Clean - No Gui No Logos (Mod) for Halo: The Master Chief Collection

Halo MCC: Halo 3 Campaign Mod - Mythic Overhaul Sierra 117

This Halo mod completely overhauls the original with new levels, weapons, and graphics

Mythic's Halo 3 Brute Overhaul (Visual and AI Changes) at Halo: The Master Chief Collection Nexus - Mods and community

Halo MCC: Halo 3 Campaign Mod - Mythic Overhaul The Ark

Halo MCC: Halo 4 Spartan Ops Mod - Mythic Overhaul Demo Core

Would you want Halo 4/5 Master Chief-style super-detailed Spartan armor to come back in Infinite's multiplayer as some kind of special armor (but done right unlike Halo 5's Spartan armor, of course)

Halo 3 Mythic Overhaul (Campaign) at Halo: The Master Chief Collection Nexus - Mods and community