Echelon is an action-packed game set in the year 2351, where players take on the role of a Federation pilot tasked with thwarting the Velian uprising. The game features advanced aircraft physics and real-time damage effects, enhancing the immersive experience during intense battles across various planetary surfaces. Players can choose from 14 different aircraft, each customizable with 16 types of weaponry, allowing for personalized combat strategies.

The game boasts over 200 military vehicles and structures to destroy, providing ample opportunities for destruction and tactical gameplay. With the assistance of wingmen, players can complete mission objectives more effectively. Echelon also offers branching campaigns, ensuring varied gameplay experiences as players navigate through the challenges posed by the formidable Velian forces.