Give the Combine or Rebels a fresh look with new tactical gear.

The classic hub for older addons and models. ModDB: Great for large NPC packs and total conversion mods.

Since GMod 10 is an older version, you need to look for legacy-compatible files.

the game and look for your new friends (or enemies) in the "NPC" tab of the Spawn Menu.

💡 If your NPCs appear as giant red "ERROR" signs, you are likely missing the required textures or the base game (like Half-Life 2: Episode 2) that the mod depends on. To help you find exactly what you need, let me know: Do you need help fixing missing texture errors ?