- GoldenEye Alyx 007: a mod based on the famous Nintendo 64 FPS
- Alyx Plays Minecraft: a mod that transforms HLA into Minecraft
- A mod to play HLA without VR
- The mod that reproduces the first level of Wolfenstein 3D
- XenThug's Horde Mode
Some are presented as add-ons for the original game, others are more like full-fledged additional levels.
GoldenEye Alyx 007: a mod based on the famous Nintendo 64 FPS
The ”GoldenEye Alyx 007“, ”Dam” and ”Facility” mods were created by Eagle One, Jacob Hertz Da Deer, & Taek. They offer you levels whose cards are directly based on those of the game ”” of the Nintendo 64.
Rather than importing their own assets, the developers of these mods preferred to use those from the original game. The experiment is akin to an independent campaign, in which fighting forces you to act strategically. These mods are available on Steam at this address.
Alyx Plays Minecraft: a mod that transforms HLA into Minecraft
The mod, created by Exe, looks like a map on which all Minecraft assets have been imported. Therefore, the game looks totally different.
You will appear in a Minecraft world, in which the Combine stole your diamonds. You will have to fight them to get your possessions back. The adventure begins in the forest, but continues in dark dungeons. Download this mod on Steam at this address.