If you love atmospheric and slightly scary Roblox games where nothing is as simple as it seems — Parasite Testing is definitely for you! In this game, you’ll participate in a mysterious experiment studying parasites that can alter human behavior. Sounds creepy? That’s because it is! The cool part is, the developers often release codes that give sweet bonuses — whether it’s boosts, in-game currency, or even exclusive items. If you’re into other Roblox horror games, make sure to check out our other lists on the site: Neighbors codes, Skibi Defense codes, and Dealership Life RP codes — you’ll find everything you need to dive even deeper into the creepy world of Roblox horror.
Parasite Testing ||Reform|| Codes
- RESTRICTED – Credits and Levels (NEW)
- MAPREVAMP – Credits and Levels (NEW)
- RESEARCH – Credits and Levels (NEW)
- SUMMER – Credits and Levels
- PUPPETEER – Credits and Levels
- RIP ANT ACC – Credits and Levels
- WERE SORRY – Credits and Levels
- NEWUPDATE – Credits and Levels
- ACOLYTE – Credits and Levels
- 2KSERVER – Credits and Levels
- PUPPETEER – 5 Credits and 5 Levels
Expired Codes
- 1KSERVER – Credits and Levels
How to Use Parasite Testing Codes?
- Launch Roblox Parasite Testing on your device.
- Approach the laptop on the metal shelf, where a prompt will appear instructing you to use codes.
- Click the green “Submit” button after entering a valid code in the “Enter Code…” text field.
Where to Find Parasite Testing Codes
Parasite Testing codes are usually published in the Roblox group (Parasite Testers) and on the official Discord server (Parasite Testing) — that’s where developers share the latest updates and bonuses. Sometimes codes can also be found in YouTube videos when creators talk about updates or share helpful tips. So if you want to stay in the loop and never miss fresh codes, follow the right channels and join the group!
What’s This Game About?
In Parasite Testing, you enter a lab conducting research on dangerous parasites. These creatures can infect people and completely change their behavior. Your job is to observe, test, and document the behavior of the infected while avoiding becoming a victim yourself. Sometimes things spiral out of control, turning the game into a real thriller! The game is full of unexpected moments, and the constant tension makes it especially gripping.
