Dominate every skirmish and rewrite the fate of the galaxy with our powerful Halo: The Master Chief Collection Halo 3 Trainer for the Master Chief Collection! Whether you’re revisiting this iconic classic or diving in for the first time, this trainer turns you into an unstoppable force. Packed with features like infinite health, super speed, no reload, and one-hit kills, you can take full control of the battlefield and experience Halo 3 in an entirely new way.

Trainer Features & Hotkeys

Survivability & Firepower

• Num 1 – Infinite Health: Keep your Spartan alive through any onslaught.
• Num 2 – Infinite Shield: Never worry about recharging your defenses again.
• Num 3 – Infinite Ammo: Reload once and blast forever!
• Num 4 – Infinite Grenades: Never run out of explosives—clear rooms with ease.
• Num 5 – No Reload: Keep the pressure on—no more breaks between shots.

Energy Weapons & Combat Enhancements

• Num 6 – Energy Weapons Infinite Ammo: Unlimited power for your plasma and beam weapons.
• Num 7 – Energy Weapons No Cooldown: Shoot continuously with zero heat issues.
• Num 8 – Rapid Fire: Turn every weapon into a high-speed killing machine.
• Num 9 – No Recoil: Maintain pinpoint accuracy with every shot.
• Num 0 – One Hit Kill: Instantly destroy enemies with a single attack.

Movement & Speed Hacks

• F1 – Super Speed: Zoom through the battlefield and outmaneuver your enemies.
• F2 – Slow Motion: Control time and react faster in chaotic moments.
• F3 – Super Jump: Leap across landscapes and reach hidden spots with ease.

Notes

• Infinite Ammo activates when you reload your weapon.
• Energy Weapons Infinite Ammo works once you begin firing an energy weapon.

Special Notes—EasyAntiCheat (EAC) Warning

• Halo 3 MCC uses EasyAntiCheat (EAC), which prevents trainers from functioning properly under normal game launch conditions.

To use this trainer safely, you must launch the game

• without EAC enabled:
• Go to your Halo MCC game directory.
• Locate the file: MCC-Win64-Shipping.exe (bypass version).
• Run the game directly through this file to disable EAC.
• This trainer is meant for campaign use only.
• Never use it in multiplayer to avoid bans.

Why Use Halo: The Master Chief Collection Halo 3 Trainer?

• Conquer the campaign on Legendary with ease.
• Experiment with all weapons and tactics without limits.
• Enjoy a fun, stress-free single-player experience.
• Perfect for speedrunners, modders, or fans of chaos.

Related Trainers:

• Thunder Tier One Trainer
• Sniper Ghost Warrior Contracts Trainer