All Working Roblox Killer Mystery Codes (June 2026): M16 Weapon!

Killer Mystery is a fascinating social deduction game that boasts tense and round-based action that tests your gaming prowess to the core. Inspired by the popular Murder Mystery style, the game is centered around three crucial roles: the murderer, the sheriff, and the innocents.

Note that each match becomes a battle of strategy and awareness as the murderer secretly hunts other players, the sheriff searches for the right moment to eliminate the threat, and innocent players try to survive by staying alert and reading suspicious behavior.

So, how do you stay afloat and remain in line to top the leaderboard? Well, you need to cash in on the quick decision-making, clever movement, and sharp observation as they are the key to winning. Packed with competitive atmosphere and unpredictable rounds, KM should please you to no end, provided you have a liking for suspenseful fights for survival.

Let’s jump right in to check all the working Roblox Killer Mystery codes for June 2026 and garner a ton of the hottest in-game rewards!

Note: I reviewed and updated this Roblox Killer Mystery article on 16/6/2026 to include the latest codes.

Active Roblox Killer Mystery Codes for June 2026

CodeReward
FL4SHUnlock the Rainbow Flash weapon
ETERNAL4Receive the Eternal IV item
CAKEClaim the Slice O’ Cake weapon
HEARTBLADEGrants the Heartblade
2000LIKESRedeem for 100 Coins
SAPICEUnlock the Sap Icebreaker
CHROMACORRUPTReceive the Chroma Corrupt
CORRUPTClaim the Corrupt weapon
SECRETAwards 50 Coins
SH4RKUnlock the SharkSeeker
MIMICReceive the Mimic Blade
ETERNAL2Grants the Eternal II
BOUNDSClaim the Galaxia
PUMPUnlock the Shotgun
D4RTReceive the Dartbringer
RELEASERedeem for 50 Coins
RANKEDUnlock the Diamond Slayer
PRISMATICClaim the Prismatic weapon
CSAKURAReceive the Chroma Sakura
GREENSUnlock the Greenmat
HENOSClaim the Henos
ANM16Receive the M16
BURNEDUnlock the Burning
GHOSTClaim the Shadow Sword
FIXESReceive the Hammer
BLOSSOMUnlock the Blossom
EASTPOLEClaim the East Pole
ICECHUNKReceive the Icecap
ETERNAL3Unlock the Eternal III
POTOGOLDClaim the Pot O’ Gold
CONDENSEReceive the Condensation
SAKURAUnlock the Sakura
CHROMATICClaim the Chromatic Saw
ANTARCTICAReceive the Antarctica
THEAXEUnlock the Axe
WABBLESClaim the Wabble
EARTHReceive the Earth
ETERNALUnlock the Eternal
CSABERClaim the Chroma Saber
LEPREVReceive Patrick’s Hero
EGGBLADEUnlock the Eggblade
RESKETCHClaim the Resketched
ETERNALCANEReceive the Eternalcane

How to Redeem Codes in Killer Mystery

  • To begin, launch the Killer Mystery game on Roblox.
  • Now, go to the main lobby and locate the REWARDS NPC.
  • Once the Rewards menu shows up, select the CODES option to open the code redemption section.
  • Next, paste an active KM code into the “ENTER HERE” text field and press the REDEEM button to claim your reward.

5 Ways to Dominate Roblox Killer Mystery Like a King

In order to have a dominating presence in the Killer Mystery game, I’d recommend you focus on these five tactical pillars:

  • Blend In: As the Killer, mimic Innocent behavior by collecting coins and avoiding “predatory” pathing until you are ready to strike.
  • Target the Sheriff: Make sure to identify the player holding the gun immediately. Once eliminated, guard the dropped weapon from a distance to prevent others from picking it up.
  • Control Chokepoints: Get the most out of the narrow hallways and single-exit rooms to trap groups. As a survivor, always stay in open areas with at least two escape routes.
  • Read Animations: Never fail to watch for “hand ticks.” If a player’s arm shifts slightly, they are likely equipping a weapon; use that split second to flee or fire.
  • Social Engineering: Last but not least, take full advantage of the chat to sow discord. Reporting a “fake” killer can cause enough confusion for you to thin out the crowd unnoticed.

Posted by Rajesh Mishra

Editor-in-Chief: Rajesh Mishra is a Shakespearean poet at heart who turned a tech nerd while having a secret rendezvous with iPhone 4. When that rendezvous turned obsession, he let go of his hard-core political journalism in favour of the lifelong love-affair with technology. In a career spanning one and a half decades, Mr. Mishra has crafted over 8K articles and produced more than 3.5K videos for YouTube. When he is not at his desk, you may find him either engrossed in a Deathmatch or chasing Wordsworth!