Codename: Gordon

Codename: Gordon (also known as Half-Life 2D) is a 2D side-scrolling shooter video game made by Paul "X-Tender" Kamma and Sönke "Warbeast" Seidel. The game was produced on behalf of Nuclearvision Entertainment, and was distributed free of charge over Valve Corporation's Steam online delivery system as a promotional title for the then-upcoming Half-Life 2. The game has since been removed from Steam's storefront due to factors related to the developer's bankruptcy.

Codename: Gordon

Codename: Gordon (also known as Half-Life 2D) is a 2D side-scrolling shooter video game made by Paul "X-Tender" Kamma and Sönke "Warbeast" Seidel. The game was produced on behalf of Nuclearvision Entertainment, and was distributed free of charge over Valve Corporation's Steam online delivery system as a promotional title for the then-upcoming Half-Life 2. The game has since been removed from Steam's storefront due to factors related to the developer's bankruptcy.