Updated: October 21, 2026
You can redeem 4 active Project Iron codes as of October 21, 2026. Gain tons of Rerolls by redeeming REROLLS, EXPANSION, ARMWRESTLING, and OPTIMIZATION!
Project Iron is the ultimate gymbro grindset simulator. Train every muscle, chase insane genetics, get swole, win bodybuilding and powerlifting meets, and flex your gains on social media for clout. You can even optimize your gym progress like a true min-maxxer with supplements and equipment! If you’re trying to speed run your looksmaxxing process, Project Iron codes can give you tons of free rewards to help the grind.
What Are All the Active Project Iron Codes?
Before you hit the gains lab, redeem the 4 active Project Iron codes to earn Rerolls, roll the perfect combo of height, weight, genes, and frame, and mog every gymgoer on the server. If you're serious about your Roblox lifting journey, visit our Gym League Codes article and build a chiseled physique in another weightlifting sim.
Project Iron Active Codes
| Code | Copy | Description |
|---|---|---|
| REROLLS NEW | 50 Rerolls (All Categories) NEW | |
| EXPANSION | 50 Rerolls (All Categories) | |
| ARMWRESTLING | 15 Rerolls (All Categories) | |
| OPTIMIZATION | 35 Rerolls (All Categories) |
Project Iron Inactive Codes
| Code | Copy | Description |
|---|---|---|
| TARNISHED | Free Rewards |
Related: Roll Your Height Codes
How Do You Redeem Project Iron Codes?
Follow these steps to redeem Project Iron codes:
- Launch Project Iron in Roblox.
- Click the Codes button.
- Type in your code into the Enter Code field.
- Press Redeem to obtain rewards.
Input Project Iron codes exactly as they appear on our list, since even one mistyped character can prevent you from redeeming them. You can also copy and paste each code directly into the game to redeem your rewards much faster.
Where Do You Find More Project Iron Codes?
Join the IronGrid Games Discord server and the IronGrid Games Roblox group to find the latest codes directly from the source. The two socials are also great for learning about upcoming updates, events, giveaways, and developer polls. If you're only interested in new codes and don't want to juggle Discord and Roblox, bookmark this guide (Ctrl+D) and check back whenever you need fresh freebies.
What Do Rerolls Do in Project Iron?
Rerolls in Project Iron let you get special Height, Weight, Genes, and Frame traits that increase your gain percentage, muscle, strength, frame width, and other key stats. The more rerolls you have, the higher your chances of getting the rarest Anomaly traits!
Stack freebies in other awesome games by visiting our Roblox Game Codes section! Also, check out our Ordinary Codes article for more useful rewards.
