Bandit Base
A bandit base can be added to the game between the 40,000th and 50,000th meters. So what is this? It's a large base with 50-75 bandits and plenty of loot. After killing the first 50-75 bandits, a boss should appear, and when this boss is killed, a gold revolver should drop. This gold revolver should hit twice as hard as a normal revolver, but the boss should be difficult, and the gold revolver should be sellable for $300. Various weapons should drop from the base, such as rifles, bolt-action rifles, shotguns, sawed-off shotguns, and normal weapons like Mauser.