Mods / Cooperative

• SSerious Bus [Vehicle]by ArtEM-41Take the steering wheel in your hands and drive! 17 seats + driver's seat! The perfect transport for the total extermination of Mental hordes in a cooperative! !!! Attention! !!! A bus that is spawned through a button breaks the save. It is recommended to play in multiplayer. Control: Shift - inf...119 downloadsupdated 2 y ago
• GGnaario (SM)by ラミBut of course. No way i'd skip porting this one aswell. Wario, replacing male Gnaars, with his throwable garlic and custom sounds, coming back again to eat all the lead he can catch. Credits: Wario World and other Mario-related media belongs to Nintendo, obviously.114 downloadsupdated 4 y ago
• EEnemy Trackerby Yurka262Enemy Tracker Mod: Tired of running around the level looking for the last stray enemy while endless annoying music plays? This mod solves the problem. Shows the direction and distance to enemies that are currently aggroed on you. The compass arrow points in the exact direction relative to where t...96 downloadsupdated 4 mo ago
• CChevrolet Impala 1967 [Vehicle]by ArtEM-41Only cool music is playing in this car. The iconic Chevrolet Impala 1967 is now in Serious Sam! !!! Attention! !!! Impala, triggered through a button, breaks saves. It is recommended to play in multiplayer mode. Control Shift - infinite acceleration Space - handbrake Serious Sam 4 version Authors...89 downloadsupdated 19 mo ago
• BBack to the Classic Coop Mode SM Editionby Riba4ok13Same as SS4 version. This modification replaces all skillpoints with the "Heart" gadget, which in turn is extra life in co-op. It also replaces all gadgets for armor and health. Heart gadgets are added in some places. On some bosses added backpacks with ammo, so that you do not have to shoot at t...84 downloadsupdated 2 y ago
• [[Gamemode] Revive Co-opby Serious GooseRevive Co-op is a new gamemode that reimagines the standard life system. In this gamemode, a statue appears at the place of a player's death. To revive the player, another player must stand near the statue for a certain amount of time. Available Modes Co-op Survival Features Revive time: 7 second...76 downloadsupdated 11 mo ago
• UUEWP items replacement (Addition)by LisSenThis add-on replaces all original items with items from UEWP in all levels of the original campaign and in survival mode. In addition, the corresponding ammunition drops from the enemies. For convenience, the ability to select weapons from the weapon wheel and issue weapons through cheats has bee...75 downloadsupdated 19 mo ago

55 cooperative mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.