The Metal Slug is a community-created cosmetic item for the Pyro. It is a robotic version of the Triboniophorus Tyrannus. It is a set of painted metal plates bolted together in a sphere on a spring, with suction cups attached to it with hinges.
The Metal Slug was contributed to the Steam Workshop under the name "Triboniophorus Trojanus".
- The Metal Slug was added to the game.
- [Undocumented] Added Strange quality.
- The name of the item is a reference to the Metal Slug series of run and gun video games. The description may be a reference to the Martians from the games, who the item bears a light resemblance to.
- The item's description is similarly worded to movie posters from the 1950s.