by Stealth_Challenger
Half Life Custom NPC Testing Codes
Working Half Life Custom NPC Testing Codes
Last updated August 22, 2026
No working codes right now
We're tracking Half Life Custom NPC Testing and will list codes here the moment the developers release them. If you spot one first, send it our way below.
How to redeem codes in Half Life Custom NPC Testing
- Launch Half Life Custom NPC Testing on Roblox.
- Look for a Codes, Shop or settings button — usually on the side of the screen.
- Paste the code exactly as shown above. Codes are case-sensitive.
- Press redeem to claim your reward.
Codes expire without warning — if one fails, it was almost certainly pulled by the developer.
Found a code we're missing?
Submit it and we'll verify it before it goes live.
About Half Life Custom NPC Testing
Credits DEAD(@Stealth_Challenger)/scripting matthew3232(@mattheww3232)/model *This game recommend play with private server. Available characters Combine Grunt Combine Ordinal Combine Wallhammer Headcrab_zombie Combine Suppressor Combine Soldier Combine_Metrocop H.E.C.U Soldier Blackmesa_security officer Fast Headcrab_zombie Elite Combine Soldier Combine Shotgunner Combine Sword Unit Elite Combine Squad Leader Infestation Control Unit Combine Razor Head_crab SCP:NTF Soldier Heavy Metrocop_Officer Stealth Combine Operator --Gamepass-- Damaged Combine Ordinal Combine_Wallbreaker (Variant of Combine_Wallhammer) ADVANCED_ORDINAL ADVANCED_GRUNT ADVANCED_SUPPRESSOR Combine Dark Ops Combine_Sniper