Quick Answer

Murder Mystery 2 perks are role-specific upgrades for the Murderer, Sheriff, and Innocent roles. The Murderer can equip abilities that affect stealth, speed, and kill mechanics, while the Sheriff and Innocent have their own perk trees. Perks are unlocked through the prestige system using in-game currencies earned across matches.

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MM2 Perks & Roles Guide

Complete breakdown of all 10 Murderer perks, role mechanics, prestige system, and currencies

Murderer Perks
10
Roles
3
Prestige Levels
10
Currencies
6

Roles

Innocent

Survive until the timer runs out or the Murderer is killed

Equipment:

None (can pick up the dropped Sheriff gun)

Win Condition:

Survive until the timer expires OR the Murderer is eliminated

Capabilities:
  • Collect coins during rounds (up to 40 per round, 50 with the Elite gamepass)
  • Pick up the gun if the Sheriff dies — shooting the Murderer with it makes you the Hero
  • Vote on the next map between rounds
Tips:
  • Stay near groups but keep spacing — a knife throw can catch clustered players
  • Learn map layouts and escape routes
  • If the Sheriff dies, try to grab the dropped gun
  • Shooting the Murderer after grabbing the gun wins the round as the Hero

Sheriff

Identify and eliminate the Murderer

Equipment:

Gun

Win Condition:

Eliminate the Murderer

Capabilities:
  • One shot eliminates the Murderer
  • Gun drops on death for Innocents to pick up
  • The gun must reload after every shot
Tips:
  • Use flick aiming — snap to the target at the moment of firing
  • Favor open areas with long sightlines; larger maps like MilBase, Bio Lab, and Factory play easier for the Sheriff
  • Don't reveal you have the gun early — the Murderer will target you first
  • If cornered, dying in an open area at least leaves the gun where an Innocent can grab it
  • NEVER shoot an Innocent — if you do, both you and the Innocent die

Murderer

Eliminate all players before the timer expires

Equipment:

Knife (melee + throwable)

Win Condition:

Eliminate all Innocents and the Sheriff before the timer runs out

Capabilities:
  • Melee attack (instant kill, short range)
  • Throw knife (instant kill, travels in a straight line)
  • Equip one Power (perk) per round for a special ability
Tips:
  • Target the Sheriff first if identified
  • Jump while throwing to alter trajectory and stay harder to hit
  • Haste keeps you faster than fleeing Innocents in public lobbies
  • Sleight speeds up knife throws and regeneration for 1v1 duels
  • Watch the dropped gun after killing the Sheriff — an Innocent who grabs it becomes the Hero

Murderer Perks

Perks are abilities exclusive to the Murderer role. Equip one perk before each round to gain a strategic advantage.

Meta3 perks

Haste

Public Lobbies
Effect: Run 10% faster while holding your knife out (3,000 Coins / 400 Diamonds)

Lets the Murderer outrun Innocents in a straight chase. Originally a 30% boost; nerfed to 10% around the May 2020 update, but still a go-to pick for aggressive play.

Sleight

Competitive 1v1
Effect: Throw the knife and regenerate it faster (1,000 Coins / 100 Diamonds)

Reduces the window of vulnerability after a missed throw — a favorite for knife-throw duels and 1v1 servers.

X-Ray

Both
Effect: See through walls for 4 seconds (26s cooldown; 6,000 Coins / 800 Diamonds)

Counters hiding strategies on large maps like Research Facility — the priciest power tier alongside Ghost.

Situational5 perks

Footsteps

Public Lobbies
Effect: See players' footsteps and their direction (free default power)

The default power every Murderer starts with. Useful for tracking campers hiding in obscure map spots; buffed in the March 2020 update and again during the Christmas 2025 event.

Ninja

Public Lobbies
Effect: Make no noise when stabbing someone (1,000 Coins / 100 Diamonds)

Removes the audio cue that alerts nearby players and the Sheriff to a kill.

Ghost

Both
Effect: Turn invisible for 5 seconds (20s cooldown; 6,000 Coins / 800 Diamonds)

Used for ambushes at high-traffic choke points. The invisibility lasted 10 seconds before Season 1 nerfed it to 5.

Sprint

Both
Effect: 50% speed boost for 5 seconds (27s cooldown; 3,000 Coins / 400 Diamonds)

Burst mobility added in the May 2020 update — closes gaps on isolated targets, and a visible trail follows you while it is active.

Decoy

Public Lobbies
Effect: Place up to 3 decoy clones of your character that can block a shot (3,000 Coins / 400 Diamonds)

Added during the Thanksgiving 2025 event. A decoy vanishes if shot — but players can't collide with clones, which is the tell that gives them away.

Niche2 perks

Fake Gun

Public Lobbies
Effect: Carry a fake gun for the entire round (30s cooldown; 3,000 Coins / 400 Diamonds)

Psychological warfare — pose as the Sheriff to make targets hesitate. Buffed during the Christmas 2025 event.

Trap

Both
Effect: Place up to 4 traps that freeze anyone who steps on them for 4 seconds (3,000 Coins / 400 Diamonds)

Area denial with a 0.5-second cooldown between placements. Added in the May 2020 update alongside Sprint.

Prestige System

PrestigeLevel RequiredReward
ILevel 100Roman numeral shown by your level; higher leaderboard placement
IILevel 200Roman numeral shown by your level; higher leaderboard placement
IIILevel 300Roman numeral shown by your level; higher leaderboard placement
IVLevel 400Roman numeral shown by your level; higher leaderboard placement
VLevel 500Roman numeral shown by your level; higher leaderboard placement
VILevel 600Roman numeral shown by your level; higher leaderboard placement
VIILevel 700Roman numeral shown by your level; higher leaderboard placement
VIIILevel 800Roman numeral shown by your level; higher leaderboard placement
IXLevel 900Roman numeral shown by your level; higher leaderboard placement
XLevel 1,000Max prestige — the highest available; no badge is awarded

Currencies

Coins

Soft
How to get: Spawn on the map during rounds (max 40 per round, 50 with the Elite gamepass)
Used for: Buying shop items such as Boxes, Powers, Effects, and Pet Eggs

Diamonds

Hard
How to get: Purchased with Robux in the shop (called Gems before the Season 1 update)
Used for: Buying Boxes, Powers, Mystery Keys, and certain Radios, Emotes, and Effects — some items are Diamond-only

Candies

Event
How to get: Collected during Halloween events (they replace coin spawns while the event runs)
Used for: Buying Halloween Battle Pass tiers and the seasonal Halloween Box

Snow Tokens

Event
How to get: Collected during Christmas events
Used for: Buying Christmas Battle Pass tiers, Gifts, and the seasonal Christmas Box

Beach Balls

Event
How to get: Collected during Summer events (cannot be bought in most years)
Used for: Buying Summer Battle Pass tiers and the seasonal Summer Box

Eggs

Event
How to get: Collected during Easter events — they spawn alongside coins and cannot be purchased
Used for: Claiming Easter event weapon, effect, and toy rewards

MM2 Perks & Roles Guide

This guide covers every Murderer perk in Murder Mystery 2, organized by competitive tier. The Meta perks (Haste, Sleight, X-Ray) are considered essential for serious gameplay, while Situational and Niche perks offer specialized advantages in specific scenarios.

Understanding role mechanics is crucial for winning in MM2. The Innocent must survive and identify the Murderer, the Sheriff must eliminate the Murderer with their gun, and the Murderer must eliminate all other players before time runs out. Prestige (unlocked at level 100, up to Prestige X) is purely cosmetic.

For weapon values and trading info, check our Weapons Database with complete Seer values, or visit the MM2 Hub for codes and more guides.

Related MM2 Guides