This Catalog Mystery guide covers everything new players need to understand the game’s role system, three distinct game modes, and how to redeem the three active codes available in June 2026. Catalog Mystery launched on Roblox on 18 May 2026 and has already crossed five million visits in under three weeks, with around 6,600 concurrent players and a 92% like rate — strong numbers for a murder-mystery-format title aimed at the 12-player experience.
If you have played Murder Mystery 2 on Roblox before, Catalog Mystery will feel immediately familiar. The core mechanics map almost directly: one hidden killer, one armed investigator, and a group of unarmed civilians trying to stay alive. What sets it apart is a Roblox Catalog cosmetic layer — cosmetic weapons (knives, scythes, trophies) are themed around catalog items rather than generic skins, and can be unlocked via redeemable codes or in-game progression.
What Is Catalog Mystery on Roblox?
Catalog Mystery is a murder mystery survival game in the 1-vs-all format that Roblox made popular through titles like Murder Mystery 2 and Survive the Killer. Each round, players are randomly assigned one of three roles, and the outcome of the round depends almost entirely on how well each faction fulfills its objective.
The game supports up to 12 players per server, which is a deliberate design choice — large enough to give the Murderer real cover in a crowd but small enough that every player’s decision carries weight. Server-side randomisation handles role assignment, so there is no way to choose or guarantee a specific role going in.
Quick stats (as of 3 June 2026):
- Visits: 5,015,000+
- Like rate: 92.2%
- Concurrent players: ~6,600 (peak)
- Favourites: 10,183
- Created: 18 May 2026
- Developer: KMM reupload
- Max server size: 12 players
- Platform: PC, mobile, console
For related Roblox codes from the same competitive-survival genre, see Doors codes and Blue Lock Rivals codes.
The Three Roles — How Each Works
Understanding your role is the single most important thing in this Catalog Mystery guide. The game assigns roles randomly each round; getting good at the game means knowing how to play all three, not just your favourite.
Innocent
Innocents make up the majority of each lobby — typically eight to ten players depending on server size. Your objectives as an Innocent are straightforward in theory: stay alive and help expose the Murderer.
Innocents cannot attack. Your only defensive tool is movement — running, using cover, staying close to the Sheriff without clustering. If the Murderer has eliminated the Sheriff, an Innocent who picks up the fallen Sheriff’s gun can take the shot, which is the one moment an unarmed player becomes decisive.
In later rounds, recognising who is acting out of pattern — lingering near the edges, moving toward isolated players — is the skill that separates average Innocents from consistent survivors.
Sheriff
Each round assigns exactly one player as the Sheriff. You are the only player on the Innocent team with a weapon. Your gun holds limited ammunition (typically one shot before a reload window), so accuracy matters. A missed shot that hits an Innocent is a round-ending mistake on your end — other players will target you, and the Murderer’s job becomes significantly easier.
The Sheriff role rewards information gathering before acting. Calling out suspicious behaviour in the chat, coordinating with Innocents, and waiting for the Murderer to make an aggressive move is generally more effective than rushing and guessing.
Murderer
The Murderer is assigned to a single player each round and given a melee weapon — knife, scythe, or equivalent based on your cosmetic loadout. Your goal is to eliminate every other player before the round timer expires or before the Sheriff identifies and shoots you.
Effective Murderer play in this Catalog Mystery guide centres on misdirection: staying close to groups without visibly targeting anyone, timing kills when witnesses are limited, and identifying the Sheriff early. Once the Sheriff is eliminated, the remaining Innocents have no lethal tools and the round’s outcome is almost certain.
Three Game Modes Explained
One of Catalog Mystery’s meaningful additions over pure Murder Mystery 2 clones is the inclusion of three separate modes. All three use the same role framework but alter the rules in ways that change optimal strategy.
Standard Mode
Standard Mode is the baseline experience. Roles are assigned, the Murderer works to eliminate everyone, the Sheriff works to identify and stop the Murderer, and Innocents survive until the round ends or the Murderer is caught. If you are new to the game, Standard Mode is the mode to play first — it has no mechanical layers beyond the core role assignments.
Disguises Mode
Disguises Mode gives the Murderer a cosmetic disguise ability — the ability to temporarily take on the visual appearance of another player’s character. For Innocents and the Sheriff, this creates genuine identification uncertainty: the player running toward you may be a known, trusted teammate or may be the Murderer wearing that player’s visual identity.
In Disguises Mode, behaviour cues become more reliable indicators than appearance. A player who suddenly changes movement pattern or direction after a disguise switch is often worth tracking.
Assassin Mode
Assassin Mode assigns each player a secret target to eliminate rather than a general Murderer-vs-all framework. The mode is closer to social deduction games where everyone is both hunter and hunted simultaneously. There is no designated Sheriff and no fully safe Innocent faction — every player has a weapon and a target.
Assassin Mode has the highest moment-to-moment intensity of the three because there are no passive spectators; everyone in the server is an active participant in every elimination.
Tips for Every Role
These tips apply across all three modes in Catalog Mystery unless noted otherwise.
For Innocents: Group movement is protective up to a point, then counterproductive. A crowd of five players slows everyone’s reaction time and gives the Murderer a high-density target zone. Two or three is the safer formation. Stay aware of who has been in visual range for the last thirty seconds — missing player locations is how rounds end fast.
For the Sheriff: Hold your shot. The cost of misidentifying the Murderer and hitting an Innocent is almost always worse than waiting for a clearer read. In Disguises Mode specifically, do not shoot based on appearance changes alone — wait for aggressive movement toward another player. See Murder Mystery 2 tier list for strategic breakdowns that carry over into Catalog Mystery’s Sheriff role logic.
For the Murderer: Your biggest tell is impatience. Rounds last long enough that the Murderer who waits consistently outlasts the one who moves on the first opportunity. After the Sheriff is confirmed eliminated, the tactical pressure drops significantly — the remaining Innocents cannot stop you unless one picks up a dropped gun.
Cross-mode note: In Assassin Mode, the reflexive instinct to avoid all contact is wrong — every player has a weapon, and moving too cautiously signals hesitation that experienced players read as inexperience. Controlled, purposeful movement is better cover than trying to appear neutral.
Catalog Mystery Codes — Active June 2026
Three Catalog Mystery codes are active as of 3 June 2026. All codes are case-sensitive and redeemed through the in-game Inventory icon.
How to redeem Catalog Mystery codes:
- Open Catalog Mystery on Roblox.
- Click the Inventory icon in the game’s HUD.
- Locate the text input box at the bottom of the inventory panel.
- Type the code exactly as listed below (codes are case-sensitive).
- Press Redeem to collect the reward.
Active codes:
| Code | Reward |
|---|---|
N3WC0D3 |
Void Scythe |
R4YGUN |
Raygun Trophies |
S2NBL4D3 |
Sunblade Knife |
All three codes were verified active on 3 June 2026. Cosmetic rewards are applied to your inventory immediately on redemption and do not affect gameplay — they are visual variants on standard murder-mystery weapons.
How to Find More Catalog Mystery Codes
The developer (KMM reupload) distributes new codes through two Roblox profiles listed directly in the game description: @27th07s and @ch4rmforever. Following both profiles on Roblox is the most reliable way to catch new codes when they are posted, since the game does not have a dedicated social media presence beyond Roblox itself.
For Roblox codes in related games, see Slime RNG codes, Anime Story 2 codes, and Pet Simulator 99 codes for regularly-updated code lists in the same player demographic.
If you enjoy the murder mystery survival format, Doors monsters guide covers a similar evasion-and-survival loop in a different setting. For comparison stats with the original title, Murder Mystery 2 codes tracks the long-running predecessor’s active code list.
Catalog Mystery Guide — FAQ
What is Catalog Mystery on Roblox?
Catalog Mystery is a murder-mystery survival game for up to 12 players. Each round assigns players to one of three roles — Innocent, Sheriff, or Murderer — and the round ends when the Murderer eliminates everyone or is shot by the Sheriff. The game takes its name from the Roblox Catalog cosmetic system, which it uses for weapon skins (knives, scythes, trophies) redeemable via codes.
How do you redeem codes in Catalog Mystery?
Open the Inventory icon in the game’s HUD, find the text input box at the bottom of the inventory panel, type the code exactly as written (case-sensitive), and press Redeem. Current active codes are N3WC0D3, R4YGUN, and S2NBL4D3, each awarding a distinct cosmetic weapon.
What are the three game modes in Catalog Mystery?
Standard Mode is the baseline murder-mystery format. Disguises Mode allows the Murderer to temporarily appear as another player, adding identification difficulty. Assassin Mode assigns every player a secret personal target rather than one designated Murderer, making all players simultaneously hunter and hunted.
How many players does Catalog Mystery support?
Each Catalog Mystery server supports up to 12 players. Role assignment (Innocent, Sheriff, Murderer) is randomised each round by the server.
Is Catalog Mystery the same as Murder Mystery 2?
No. Catalog Mystery is a separate game by a different developer (KMM reupload) that uses a similar murder-mystery role format. It is not affiliated with, nor a sequel to, Murder Mystery 2. The main distinctions are the Catalog cosmetic system, the three dedicated game modes (including Disguises and Assassin variants), and the newer code distribution structure through Roblox developer profiles. For the original game, see Murder Mystery 2 codes.
Where does the developer post new Catalog Mystery codes?
Codes are announced via two Roblox profiles listed in the game description: @27th07s and @ch4rmforever. Following both is the best way to get notified when new codes release.
How many visits does Catalog Mystery have?
As of early June 2026, Catalog Mystery has over five million visits with approximately 6,600 concurrent players and a 92% like rate. It launched on 18 May 2026 and reached these numbers in under three weeks.
