Social-Deduction Survival on Roblox

Murder Mystery 2 Wiki

Survive every round as an Innocent, protect the lobby as the Sheriff, or eliminate everyone as the Murderer. Learn the roles, master the maps, collect weapons, and make smarter trades.

  • Created Jan 18, 2014
  • Updated Sep 24, 2026
  • 30.77B+ Visits
  • 24.21M+ Favorites
  • 12 Player Servers

What is Murder Mystery 2?

Murder Mystery 2 is a Roblox survival and social-deduction experience created by Nikilis. Each round assigns players one of three core roles: Innocent, Sheriff, or Murderer, with each role requiring a different approach to survival and combat.

Beyond the round-based mystery gameplay, MM2 has a major collection and trading system built around knives, guns, and limited items. Players can learn maps, improve their Sheriff aim or Murderer movement, build inventories, and trade weapons with other players.

Browse guides
Murder Mystery 2 official artwork showing collectible knives
  • Developer
    Nikilis
  • Platform
    Roblox
  • Genre
    Survival / 1 vs All
  • Visits
    30.77B+
  • Favorites
    24.21M+
  • Core Roles
    3
  • Server Size
    12
  • Platforms
    Roblox
  • Genres
    Survival, Social Deduction
  • Players
    Max. 12
  • Modes
    Multiplayer
  • Release date
    2014-01-18
  • Developer
    Nikilis

Explore the wiki

Murder Mystery 2 Values & Trading

Learn how MM2 trading works and what to check before exchanging collectible knives and guns. The official game description makes collecting and trading weapons a core long-term progression system, so this should be one of the site's primary evergreen hubs.

  • Trading

    Murder Mystery 2 officially supports collecting and trading weapon collectibles between players.

  • Knives

    The official Roblox description specifically states that players can collect and trade hundreds of knives.

  • Limited Items

    Seasonal updates regularly introduce limited weapon rewards and item packs that later become important trading collectibles.

  • Value Changes

    Player trade values can change with availability, demand, and new events, so values should be treated as live community market data rather than permanent numbers.

Read more

Murder Mystery 2 Codes

Track MM2 promotional codes and the collectible rewards attached to them. Current code availability is extremely limited, so the page should clearly separate verified working codes from the large archive of expired knife and pet codes.

  • COMB4T2Expired

    Combat II Knife

  • PR1SMExpired

    Prism Knife

  • PATR1CKExpired

    Patrick Knife

  • HW2017Expired

    Pumpkin Pet

Read more

Murder Mystery 2 Beginner Guide

Understand a complete MM2 round before worrying about advanced trading or collectibles. This beginner guide explains the three core roles, survival priorities, and what a new player should focus on during the first few matches.

  1. 1

    Join a round and check whether you were assigned Innocent, Sheriff, or Murderer.

  2. 2

    If you are Innocent, stay alive, watch other players, and use detective clues to identify the Murderer.

  3. 3

    If you are Sheriff, work with the Innocents and use the gun to eliminate the Murderer.

  4. 4

    If you are Murderer, eliminate the other players while avoiding being shot by the Sheriff.

Read more

Murder Mystery 2 Weapons & Rarities

Explore the knives, guns, limited collectibles, and rarity types that drive MM2 collecting and trading. This page should help players understand what an item is, how it was originally obtainable, and whether it came from a permanent system or limited event.

  • Knives

    Knives are the Murderer's primary weapon type and make up a major part of MM2's collectible and trading inventory.

  • Guns

    Guns are associated with the Sheriff role and also appear as collectible weapon skins and event rewards.

  • Godly

    Godly weapons are premium high-rarity collectibles frequently featured in boxes, bundles, and seasonal updates.

  • Event Weapons

    Halloween, Christmas, summer, and other limited events regularly introduce weapons that are tied to a specific event period.

Read more

Murder Mystery 2 Roles Guide

Master the different objectives and decision-making required by each MM2 role. Innocent, Sheriff, and Murderer are explicitly defined by the developer and form the core of every standard round.

  • Innocent

    Run and hide from the Murderer while using observation and detective skills to identify the threat.

  • Sheriff

    Work with the Innocents and use the only starting firearm capable of taking down the Murderer.

  • Murderer

    Eliminate the other players without being successfully shot by the Sheriff.

  • Dropped Gun

    The Sheriff's weapon becomes a critical objective if the Sheriff is eliminated, giving surviving Innocents a chance to fight back.

Murder Mystery 2 Maps Guide

Learn MM2 maps with an emphasis on navigation, escape routes, sightlines, and interactive features. Maps can strongly change how Innocents escape, how Sheriffs create safe shooting opportunities, and how Murderers control a round.

  • Factory

    Factory is an established MM2 map created by Zyleak and previously promoted directly through the official game description.

  • Bank 2

    Bank 2 is an interactive map featuring areas such as offices, a vault section, and metal-detector mechanics.

  • Research Facility

    Research Facility is one of MM2's interactive maps and was introduced alongside Mystery Box 2.

  • Map Knowledge

    Learning room connections, chokepoints, open sightlines, and escape options is useful for all three core roles.

Read more

Murder Mystery 2 Updates & Events

Follow major MM2 updates, seasonal events, new weapons, maps, quests, and gameplay changes. The game continues to receive large event-driven releases, making update coverage a strong recurring search destination.

  • Summer 20262026

    Nikilis announced the Summer 2026 update and reported that MM2 reached a record 1.1 million peak concurrent players around its launch.

  • Christmas 20252025

    The Christmas 2025 update reduced both the event battle pass and box cost to 600 event coins and added daily quests.

  • Weapon Rework

    The Christmas 2025 release also shipped a weapon-script rework with updated weapon visuals and mechanics.

  • Halloween 20252025

    Halloween 2025 launched on October 18, 2025, with a special reward announced for players attending the event launch.

Read more

Murder Mystery 2 Gamepasses

Compare the permanent paid upgrades attached to MM2 and understand what each one actually changes. Elite focuses on progression and exclusive cosmetics, while Radio provides access to the game's music-playing radio functionality.

  • Elite

    The Elite gamepass costs 499 Robux and includes 1.5x XP, an Elite name tag, an exclusive knife, a 50-coin bag limit, an Elite radio skin, effect, and pet.

  • Radio

    The Radio gamepass costs 475 Robux and allows players to play supported Roblox audio through the in-game radio system.

  • Elite XP

    Elite provides a permanent 1.5x experience rate for faster level progression.

  • Elite Coin Bag

    Elite raises the normal round coin-storage limit to 50.

Read more

Frequently Asked Questions

Are there any working Murder Mystery 2 codes right now?

As of September 2026 there are no active, working codes. Redeem any future code from the in-game inventory screen, and ignore generator sites that ask for your password.

What are the three roles in Murder Mystery 2?

Every round assigns Innocent, Sheriff, or Murderer. Innocents survive and observe, the Sheriff protects the lobby with the revolver, and the Murderer tries to eliminate everyone without being shot.

Is Murder Mystery 2 safe for kids?

It is a Roblox social-deduction game with mild cartoon violence and online chat. Parents should review the Roblox age rating, chat settings, and our parents guide before letting young children play.

How do I trade safely in MM2?

Check a current value list before every trade, since values move with demand and events. Never share passwords or move a deal off official channels, and see our trading guides for method and scam protection.

How can I get godly weapons?

Godlys come from mystery boxes, bundles, seasonal events, and player trading. There is no guaranteed free-godly method; event participation and trading up are the realistic paths.

Where can I talk to other MM2 players?

The official Murder Mystery 2 Discord server linked from our community guides is the main gathering place, alongside Roblox private servers and trading servers.

Ready to Master Murder Mystery 2?

From surviving your first round to mastering Sheriff aim, Murderer routes, weapon values, and advanced trades, our MM2 wiki is built to help you improve faster.