Codes ยท Roblox (Android, iOS, Windows, Xbox)
Murder Mystery 2 Codes: Active and Expired (June 2026)
Last checked May 28, 2026 (UTC)
Murder Mystery 2 codes barely exist, and the few that do hand you knives, not money. Nikilis drops one a handful of times a year at best, so I list whatever's alive below and then tell you why trading matters more anyway.
Murder Mystery 2 codes are the short strings Nikilis posts on the official @NikilisRBX Twitter account when an update or milestone gives him a reason, and they cash out for free knives, basically. Cosmetic weapons, with a small bit of in game currency once in a blue moon. Knives are everything in MM2. Not for damage, for status. Your inventory's worth is decided by what tiers you're holding, and the trading scene orbits the rare stuff, the Godlys and Chromas. When a code shows up it usually drops a knife on you, and that's the entire pitch. There's no premium grind currency here for codes to feed, so a free knife is the whole show.
Quick tip. Here's a mistake I'll own. I kept my first code knife equipped for months because it felt special, like a trophy. It was a common. Nobody cared. The day I finally pushed it into the trade chain toward something rarer, my inventory started actually growing. Treat common code knives as trade fodder. If a rare one ever lands, that's the one you frame.
I check the Twitter feed when I update this page, but I won't pretend there's a schedule. Nikilis releases codes around big updates, holidays, and milestones, and months can pass between them. Rounds and trades are what build an inventory in the meantime. You redeem in the inventory menu, through the little Twitter bird or code icon. Case sensitive. And like I said, rare.
- Murder Mystery 2 codes are rare and they pay in knives, not currency.
- Redemption lives in the inventory menu, behind the Twitter bird or code icon.
- Common code knives are trade fodder. Move them up the rarity chain.
- One redemption per code per account.
- Capitalization counts, so copy and paste instead of typing.
Active Murder Mystery 2 codes (4)
Copy button, then paste. These are case sensitive and there aren't many of them, so don't fumble one on a typo. Expect a knife from most.
| Code | Reward |
|---|---|
| CORRECT New Expires soon | Free knife (classic permanent code) |
| PRISM Expires soon | Prism themed knife |
| INF Expires soon | Free knife |
| AL3X Expires soon | Free knife |
Invalid means expired or already used, no third option. And honestly, even with every code redeemed, the bulk of your inventory will come from rounds and trades. That's just how MM2 is built.
Expired Murder Mystery 2 codes
These are gone. They rode out with old milestones and collabs.
| Code | Reward | Expired |
|---|---|---|
| D3NIS | Free knife | 2025 |
| COMB4T2 | Combat themed knife | 2025 |
| SK3TCH | Free knife | 2024 |
How to redeem Murder Mystery 2 codes
Everything happens inside the inventory menu. No website, no portal. You confirm, the knife appears, done. Here's the walkthrough in case the icon is hiding from you.
- Open Murder Mystery 2 in the Roblox app and wait for the lobby.
- Go into your inventory.
- Look for the Twitter bird or code icon, that's the entry point.
- Enter the code exactly as written. Capital letters matter.
- Confirm. Your new knife is in the inventory immediately.
Can't see the icon? It tends to sit near the shop or settings corner of the inventory screen. The bird is a leftover from the Twitter announcement days, which tells you how long this system has been around.
Murder Mystery 2 codes FAQ
Do Murder Mystery 2 codes ever give Robux or currency?
No. Knives, that's the menu. MM2 has no premium grind currency for codes to hand out, and nothing on Roblox gives Robux through codes anyway. The knife economy is where all the value sits, which is exactly why a code knife is still worth grabbing.
Keep or trade a code knife?
Tier decides. Commons are trade fodder, move them up the chain. A rare one is worth holding.
Why are codes so scarce here?
Because Nikilis treats them as event garnish, not a reward system. They appear around big updates, holidays, and milestones, and the game's real progression was always trading and round loot. Other Roblox games drip codes weekly. MM2 never has.
My code won't go through. What's wrong?
Either it expired, or your account already claimed it. Check the capitalization too, these are case sensitive, and a pasted code beats a typed one every time.
How do I grow my inventory between codes?
Play rounds, collect the loot, and trade with intent. The MM2 trading economy is deep enough that a patient trader can climb from commons toward a Godly without spending anything. Start small, trade up, repeat. It's slower than a code and far more reliable.
Where do new Murder Mystery 2 codes show up first?
The official @NikilisRBX Twitter account, and pretty much nowhere else worth trusting. Follow it with notifications on. Refreshing code sites daily for this game is wasted effort, the account goes quiet for months at a stretch, then a code lands with an update.