...
You start in some place with a scientist and you must make your way through soldiers and zombies. - By Kamil Janda.
In this MOD you will not play with Gordon Freeman, Adrian Shephard or Barney Calhoun, but for David Johnson - one of black ops which all have been sent...
**WARNING +18** After turning down the Gman's offer of employment, you managed to escape using an intergalactic teleporter that returned you to Earth...
G-Man zombies are on the building!. Wake up, take your suit and get out of this hell!. - By Kamil Janda.
Find a way to enter into the enemy base, and destroy it. This is your only chance soldier. - By Manax
A remake of the second map from Doom II for Half-Life Opposing Force. - By D_nawrocki
The mission is to get to the other side of the street and access the citadel walkway. - By Ag3nt-X.
Once upon a time, long, long ago, a dreamland of wonder and candy did grow. Its treasure was sweet, and the land was "Big Lolly". - By Cayle George
Your son has been captured by the Demons of the Underworld. He is to be sacrificed to the Master Demon. The Drow Wizard has agreed to supply you with...
You, James Bernier - a dangerous offender, authorities caught and landed in jail. He was sentenced to death. He decided to try to escape, he was able...
A team of archaeologists went to the newly discovered underground Aztec complex, hidden in the deep of the mountains. -By Marek Hlaváè
Nihilanth's death stopped any future alien attack on Earth. But after some time, there raised something more evil. It was called Mother of Headcrabs...
Intelligence indicates that the terrorist are planing an attack from their hideout in the small seaside town of Poloviti, Italy. Reports show the instalation...
Fight against the I.T.O forces on various zones, like Arab, Mexico, etc... - By Evan3k
After accepting the offer of the administrator you have been sent to investigate why a science team that has failed to return from a routine "Anomalous...
Escape from the jail and kill the enemy - By Michal Kamaryt
For some reason, you must find a way to enter into a specific building, but something happens... - By MSteam.
The year is 2100. It has been 40 years since the Black Mesa fiasco on planet Earth. Currently, Earth has perfected stealth technology to the point of...
You've been sent to Phobos IV base, which has a virus. Your mission is enter into the base, hack the virus database and return, be careful, you may not...
After Half-LIfe Gordon Freeman worked in Valve, and once upon a time... - By Greader
After destroying the nightmare creature you are transported back to your base only to find that you have caused a rift between the nightmare realm and...
You are Alexander Freeman, an Navy-Seal agent. Your assignment is the recovery of a stolen "Prototype Hazardous Environment Suit" (PHEV), after taking...
Find a way to enter the citadel, kill the Combine troops and escape. Good luck - By AGRESSOR
Somewhere in the interdimensional gap, before the events of Half-Life 2. You must get out of this unreal world where the laws of physics does not exist...
Takes place in the future, on colonized planets. Terrestrial Federation sent a cruiser called Aranon to the planet Akada, where a group of terrorists...
The world wide terrorist have united and decided to exterminate everything in there path. It is up to you and the world's leet squads to exterminate the...
Find a way to escape of the space station, which has suffered some kind of containment breach. - By Xaoc
You find yourself imprisoned in a high-tech facilities, then the power supply fails for some reason, opening the cell and letting you escape. - By skaarj
It was your first day at work in the test chamber at Black Mesa Research Facility. But that day turned out to be the day it all went wrong. The test laser...