Sid Meier's Civilization II PC 30 minutes Gameplay HD
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FreemanAPI - an easy-to-use API for implementing movement mechanics from the original Half-Life and Half-Life 2 in other games.

Brutal Half-LifeHalf-Life (1998)
Brutal Half-Life is a mod that turns the classic Half-Life into a fast-paced action game focused on brutality: dismemberment, lots of blood, new weapons, aiming, and kicking. Models and effects are improved, and maps inspired by iconic shooters have been added.

Global CrisisCommand & Conquer: Yuri's Revenge (2001)
Global Crisis is a mod for Yuri's Revenge inspired by Tiberian Sun and Tiberian Dawn. Using the most modern development tools, the mod tells a story about the modern world and contemporary military conflicts involving real countries and their armies in an apocalyptic world engulfed in chaos due to Tiberium and humanity's actions.

Bombs and BulletsCommand & Conquer: Generals (2003)
A 2D RTS in the style of the Command and Conquer series, specifically inspired by Command and Conquer: Generals. You can construct buildings, produce units, and destroy enemy bases.

Half-Life eXperimentHalf-Life (1998)
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