Quick Scoop

I couldn’t verify an exact, reliable way to get MX 18 in Roblox TTK from the available public info, but the current TTK Testing wiki and recent showcase content suggest the game is still actively changing and weapon access may depend on the latest update, unlock path, or loadout system.

What I found

  • The most relevant public guide source is the TTK Testing Wiki , which covers codes, controls, weapons, tier lists, and builds for the game.
  • A recent gunsmith showcase video from June 21, 2026 indicates the game’s weapon system is still being updated, so MX 18 may be tied to a newer build or unlock method.
  • Another recent TTK Testing video from June 1, 2026 describes the game as early development, which makes older advice easy to get wrong.

Best next steps

  1. Check the game’s newest update notes or weapon guide pages.
  2. Look for MX 18 in the in-game gunsmith, shop, or unlock tree.
  3. If it is a coded or challenge-locked weapon, the wiki is the most likely place to list the requirement.

Practical answer

So, the safest answer is: MX 18 is probably obtained through the current TTK Testing weapon progression or gunsmith system, not through a fixed universal method that stays the same across updates.

If you want the exact unlock method, the best public source right now is the TTK Testing wiki’s weapon/build section.

TL;DR: I couldn’t confirm one exact MX 18 unlock route from the available public info, but recent sources point to an evolving weapon system in TTK Testing, so the unlock may have changed with the latest update.