Available

Half-Life 2 Trainers & Cheats

Download the ultimate Half-Life 2 trainer. Features include Infinite ammo (on reload), No Reload, No Reload (Shotgun), No Reload (Crossbow), and more. Enhance your single-player experience with ModOpen's seamless cheat engine alternative.

Trainers and Cheats supported for Steam.

Download ModOpen for Free via Google Drive

Latest Version: 2025-07-23 (Steam) Updated: 2025-07-24 100% Virus-Free

Need help with download or installation? Join our Discord community for support.

18 Half-Life 2 Cheats & Mod Features

Show feature descriptions

Activate First

Prepare

Weapons

Infinite ammo (on reload)
No Reload
No Reload (Shotgun)
No Reload (Crossbow)

Health/Energy

Add Suit Energy
Reduce Suit Energy
Add Health
Reduce Health
Infinite Aux Power

Systems

Set Low Gravity
Set Normal Gravity
Set Strong Gravity
Set Time Speed (Default 1)

Player positions

Save Position (for Teleport)
In order for the teleport to work, first use "Save Position" to remember a position. Then press "Teleport to saved position". Then make sure to move your mouse in the game slightly, then move and it will teleport you. If you don't move your mouse first, it won't teleport you.
Teleport to Saved Position
In order for the teleport to work, first use "Save Position" to remember a position. Then press "Teleport to saved position". Then make sure to move your mouse in the game slightly, then move and it will teleport you. If you don't move your mouse first, it won't teleport you.

Dev Codes

No Clip
Godmode

Why Choose ModOpen for Half-Life 2 Trainers?

At ModOpen, your account security is our top priority. Unlike traditional hack tools or mod menus that inject malicious code directly into game files, our trainers utilize advanced, non-invasive memory-injection technology. This ensures your game’s integrity remains 100% intact, preventing crashes and file corruption.

Every trainer we release is thoroughly scanned to be virus-free and is regularly updated by our dev team to stay perfectly compatible with the latest Half-Life 2 patches.

How to Use ModOpen for Half-Life 2 Step by Step

Follow these simple steps to start using trainers in Half-Life 2 with ModOpen.

Step 1Download ModOpen
Install our lightweight desktop app. ModOpen is a top-rated application providing safe mods & cheats for over 3,000 PC games.
Step 2Open the Game in ModOpen
Launch ModOpen, search for Half-Life 2, and let the app auto-detect your game version (Steam, Epic, or GOG).
Step 3Toggle Mods in ModOpen
Click 'Play' and easily toggle your desired cheats using hotkeys or the in-app overlay.
Step 4Play with Mods
Return to Half-Life 2 and enjoy your enhanced gameplay experience instantly!

FAQs about ModOpen for Half-Life 2

Is it safe to use ModOpen trainers for Half-Life 2?

Yes. ModOpen trainers are rigorously tested to be completely safe and virus-free. We operate by modifying active RAM memory, not your actual game files, which keeps your installation secure and untouched.

Will these cheats work in multiplayer modes?

No. ModOpen trainers are designed strictly for single-player, offline experiences. Using any modification tool or bypass in multiplayer modes may violate the developer's terms of service and lead to account penalties.

How do I update the trainer when Half-Life 2 gets a new patch?

ModOpen automatically detects game updates. If a new trainer version is available, you will receive a notification in the app allowing you to update the cheats instantly with one click.

Browse all games →