Active codes (Sep 2026 snapshot)
THIRDCODEOK, FOURTHCODINITUNGTUNG, and ELCINCO are each redeemable for 20,000 Cash. Two single-source candidates (25KTHANKS, DELAYMECHANICS) appear only on ProGameGuides' Aug 30 update — treat as [INSUFFICIENT-DATA] and verify in-game.
How to redeem
Launch Junk Mechanics → complete the tutorial → sell your first car (required to unlock the code field) → click SHOP on the left side → scroll to the Codes section → paste the code → click REDEEM.
Why some codes expire
Codes are typically valid for one week. UPDATE4K, 5500THANKS, and the original RELEASE code have all expired per GameRant and Beebom. Check the codes page on every weekly refresh.
Upcoming milestone codes
The Roblox description banner reads 'SIXTH CODE AT 30,000 LIKES'. The fifth code dropped at 13,000 likes. Track like-count milestones weekly.
Guide Media
Video References
