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Project: Iron Codes (October 2026)

Last checked: October 29, 2026 · 7 working codes · 4 expired

[V2.7: EXPANSION] Project: Iron

Roblox · by Irongrid Games · Simulation / Incremental Simulator

🟢 1,984 playing👁 1.1M visits👍 89%⭐ 8,034🛠 Updated October 28, 2026

Project: Iron is a Roblox lifting and bodybuilding simulator from IronGrid Games: you train muscles, roll your genetics, and compete in shows and powerlifting meets. Its codes pay out free rerolls and small boosts, so they are mostly a quick way to try more genetic rolls early on.

Newest code: REMODEL → 30 Rolls, 10% Luck Boost, 10% Muscle Boost, 10% Strength Boost. Redeem all 7 working codes below before they expire.

All Working Project: Iron Codes

Code	Reward	Player reports (30 days)
`REROLLS`OFFICIAL	50 Rerolls (all categories)
`THANKYOU`OFFICIAL	Free rewards (amount not listed)
`ZINO`OFFICIAL	Free rewards (amount not listed)
`SORRY`OFFICIAL	Free rewards (amount not listed)
`REMODEL`NEW1 SOURCE	30 Rolls, 10% Luck Boost, 10% Muscle Boost, 10% Strength Boost
`booper`NEW1 SOURCE	Free rewards (amount not listed)
`EXPANSION`1 SOURCE	50 Rerolls (all categories)

Tried a code? Tap Works, Expired or Invalid next to it. Your report helps everyone see which codes still work. Codes are case-sensitive, so use the Copy button.
2 SOURCES how many sites list the code · 1 SOURCE seen in one place so far · ✓ PLAYERS players say it works · REPORTED EXPIRED most reports say it stopped working

Expired Project: Iron Codes

Code	Reward	Player reports (30 days)
`OPTIMIZATION`	35 Rerolls (all categories)
`ARMWRESTLING`	15 Rerolls (all categories)
`TARNISHED`	Free rewards
`RELEASE`	Free rewards

How to Redeem Codes in Project: Iron

Join Project: Iron on Roblox.
Finish the early training so the Codes button unlocks.
Open the Codes menu from the side buttons.
Enter the code exactly as shown.
Press Redeem.

Why Is My Project: Iron Code Not Working?

Codes are case-sensitive, so copy them exactly.
On a new account the Codes button may stay hidden until you finish the training.
OPTIMIZATION and ARMWRESTLING show as expired on Roblox Den even though older lists still call them active.

What Do Project: Iron Codes Give You?

Rerolls are spent on the game's roll systems to get new abilities and traits.

How to Get New Project: Iron Codes

IronGrid Games posts new codes in its Roblox group and Discord server. Play it on Roblox.

About Project: Iron

🏋️Welcome to Project: Iron!

💪Build Muscle and Strength with 22 unique exercises and 62 different Muscles
🏅Win Bodybuilding shows or Powerlifting meets against other players or NPCS
📱Share photos with a built in social media app and earn money from followers
💰Earn money and buy cool cars to show off!
🫙Buy equipment and supplements to boost progress
💯Realistic muscle and strength building system
🏃Train speed and run the track to test your times
🧬Roll genetics and become the biggest you possibly can

CODES:
REROLLS
SORRY
ZINO
THANKYOU

Start lifting and become an elite powerlifter or a Olympia level Bodybuilder!Official description from the game's Roblox page

Developer	Irongrid Games (group)
Genre	Simulation / Incremental Simulator
Playing now	1,984 (October 29, 2026)
Visits	1.1M
Likes	89% of 2,971 votes
Favorites	8,034
Server size	20 players
Released	September 4, 2026
Last update	October 28, 2026

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FAQ

Do codes give Robux?

No, only rerolls and similar in-game items.

Which codes are newest?

REROLLS and EXPANSION, added around October 21.

Comments

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