Chemical Facility SemiPuzzle map by Apairofkings. Never Released before. Map is hard and tricky, has author's trolling, it is fun to explore and find missing stuff, enjoy. Easy difficulty can be good for a first run. Note: Map has some issues, not obvious ...

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Campaign with 4 levels/missions Misson Briefing: Syntek have a serious problem they have an important director stuck in the city. He is held up in a Syntek building, completely over run by the swarm. You have to walk him out of there....

Five maps campaign created by Xacktar. Your squad has set down in an abandoned temple excavation...What awaits in the dark?...

Replaces the adrenaline music with Dio's "The World" freeze time. This is not music, instead basically you're hearing dio count down until adrenaline is finished...

Lana's Escape is a five mission campaign where you investigate an IAF weapon facility. This is the vanilla version. ...

Play through three intense missions about the planet Larnok in the galaxy of Vidarnaq...

This mod replaces the "Level Up" sound by "Victory" from FF7 ! Enjoy o/...

another simple mod that replaces the marine select (or mission breifing) with metal slug 7 barracks (or aka the soldier select theme) it also comes with a sound for selecting weapons! once again all credit goes to SNK for the music and sounds and i just si...

A two map campaign....

This mod replaces the "Mission Complete" sound by "Yeah" from The Who ! Enjoy o/...

revision 1.0 ------------ EN: *Port models from Warhammer 40k. *Fix UV maps and port original textures. revision 2.0 ------------ EN: *Fix vertex on models. *Fix bones in models. *Replace model ammo. P.S: original model there: ( 40ksource.com ) i port mode...

revision 1.0 ------------ EN: *Port models from Warhammer 40k. *Replace music from my Terminator Swarm Marines mod on Alien Swarm. *New portraits. *Fix removed the pilot's picture. *Replace smiles from my ODST mod on Alien Swarm. revision 2.0 ------------ ...

In this campaign (4 maps) you have to fight the way from the entrance of an big building to the very top of it. Why? Because there will be a ship ... who should fly your team to safety! Note: Screenshots are outdated a bit, sry ;)...