Disable VSync. It causes massive input lag for the joining player.
The desire for a Metro 2033 co-op mod is understandable. The game’s lore—the Rangers of the Order, the Spartan way of life—lends itself perfectly to the fantasy of battling through the tunnels alongside a friend. However, the reality is a convergence of technical impossibility and artistic contradiction. The 4A Engine is not built for multiplayer synchronization, and the game’s identity is rooted in solitary dread. While the internet may be filled with promises of a working mod, they remain, much like the ghosts of the Metro, illusions in the dark. Players seeking the co-op experience are better served looking toward games designed for it, such as Left 4 Dead or Vermintide , and accepting Metro 2033 for what it is: a solitary journey into the dark. metro 2033 co-op mod
: Many fans turn to Metro 2033 collections in Garry's Mod to scratch the co-op itch. These packs use ported assets to create multiplayer "RP" (Roleplay) servers where players can survive the tunnels together. Disable VSync
One of the most notable features of the mod is its cooperative gameplay mechanics. Players can choose from various roles, each with unique abilities that contribute to the team's overall survival chances. This adds a layer of strategy and replayability, as players must work together, utilize their skills effectively, and make tough decisions to overcome the challenges they face. The game’s lore—the Rangers of the Order, the