Portal gameplay showing first test chamber and puzzle buttons from 2007

Recommended Files

Stone KingdomsStronghold (2001)
A fan-made open-source remake of the legendary Stronghold by Firefly Studios. Built with a modern tech stack, featuring multiple localizations and much more — with original Stronghold artwork generously provided by Firefly Studios and used with their permission — all completely free!

Halo: GoldSourceHalf-Life (1998)
Halo: GoldSource is a mod for Half-Life that recreates the atmosphere and gameplay style of Halo, including Slayer and Firefight modes, iconic weapons and maps from the original shooter, but runs on the GoldSrc engine.

FlatOut 2 Controller SupportFlatOut 2 (2006)
FlatOut 2 Controller Support – a plugin that adds full controller support to the FlatOut 2 menus, including the pause menu.

HALF-LIFE: Operation RosenbergHalf-Life (1998)
Half-Life: Operation Rosenberg is a single-player modification for Half-Life and Opposing Force, in which you take on the role of Corporal Timothy Collins, a HECU Marine tasked with finding Dr. Rosenberg and traveling with him to the secret sector A-99 of the research complex.

Operation: FirestormCommand & Conquer: Generals (2003)
Operation: Firestorm is one of the largest and most impressive mods for Generals Zero Hour. It significantly expands the game: adding 8 unique generals with their own ability trees, new units, buildings and superweapons, improving graphics, interface and sound, as well as expanding the tech tree.

