Perimeter: Emperor's Testament is a thrilling real-time strategy game that takes place in a post-apocalyptic world where humanity is forced to travel through the hostile worlds of Psychosphere to find a new planet. The game is developed by K-D Lab and is available for the Windows platform. The game has a full version license and belongs to the Games category, specifically the Strategy subcategory.

The game is set in a world where new factions have arisen, and a war has been going on for many decades in many worlds. The game's fast-paced real-time-strategy action allows players to construct or destroy the gameworld environments themselves using terraforming. The game features a vast single-player campaign that expands the story of the original Perimeter. Additionally, the game has new special units, buildings, and soundtrack.

Perimeter: Emperor's Testament is affected by the GameSpy shutdown on the 31st of May. However, players can continue to play the game through LAN, DirectIP, and GameRanger. The game's thrilling storyline and exciting gameplay make it a must-try for real-time strategy game enthusiasts.