Parasite Testing is a survival shooter experience on Roblox where players must fend off hordes of mutating infected creatures. Staying alive requires constant upgrades to your armory and careful coordination to avoid being assimilated into the infected team. Redeeming codes provides a quick infusion of credits, level boosts, and exclusive dummy spawns to help you secure better weapons and test new defenses early on.
All working Parasite Testing codes
Claim these active codes for immediate in-game boosts. Some codes grant direct currency and levels, while others spawn specific testing dummies inside the laboratory.
BOSS— 2 SpinsFOLLOWMATTTHEDEV— Free Clone DummyFREEMEGA— Free Mega DummyMAPREVAMP— 100 Credits and 15 LevelsPUPPETEER— 50 Credits and 10 LevelsRESEARCH— 80 Credits and 10 LevelsRESTRICTED— 80 Credits and 10 LevelsUPDATE6— Free Exploding Dummy
Expired codes
The following codes have expired and no longer grant rewards.
1KSERVER1MVISITS2KSERVERACOLYTE
How to redeem codes in Parasite Testing
You can claim your rewards shortly after loading into the main laboratory hub.
Step 1: Launch the game and wait for your character to spawn into the starting room.
Step 2: Walk over to the Redeem Codes laptop located in the spawn area and interact with it to open the text box.
Step 3: Type or paste an active code exactly as it appears above into the field.
Step 4: Press the green Submit button to instantly apply the rewards to your account.
Step 5: Close the redemption window and interact with the laptop again if you wish to enter another code, as entering multiple codes back-to-back without closing the menu may prevent subsequent inputs from registering.