Battle Rider is a stand alone scifi game, maps are compatible to Brilliant Lances. From the box: Battle Rider is the game of squadron and fleet combat in GDW´s Traveller universe. Battle Rider gives you fast-moving fleet combat without the need for roleplaying levels of detail. Interactive game turn sequences and hidden task force rules emphasize decision-making, tactics, and bluffing instead of game mechanics. Unique diceless game system utilizes battle resolution cards for all sensor, evasion, and firing tasks.