Prospekt

Prospekt is a standalone PC game built with the Source engine that continues the story of Opposing Force in the Half-Life 2 universe. You play as US Marine Adrian Shephard, who is teleported by Freeman’s Vortigaunt allies into the Nova Prospekt prison, where Gordon Freeman is cornered and being overrun by soldiers. Shephard joins the fight to help him.

Levels and gameplay

The game has 13 new levels with scripted puzzles and action sequences integrated into the Half-Life 2 story. Its length is comparable to Half-Life 2: Episode One. The levels include a return to Xen, and the game adds new voice acting and music.

Visual and gameplay updates

Prospekt includes new textures and models, higher-resolution Combine soldier skins with improved normal mapping, updated lighting and increased cube mapping. It also adds over 20 particle effects, a modded HUD and VGUI, a new player model skin, and dynamic lighting and environments. Gameplay changes include refined balance and flow, improved AI that can lead soldiers to try to undo your actions, and additional content.