Poker Squadrons: Battle of Britain is a single-player action card game that immerses players in the historic events of the Battle of Britain. Players command a British Royal Air Force Fighter Squadron and face off against the German Luftwaffe, utilizing a shared 52-card deck to create strategic poker hands for combat. The game features 18 unique stages, each presenting different challenges that require skillful card play and tactical decision-making.

The gameplay is divided into four distinct phases: Scramble, Secret Cards, Form Up, and Combat. Players draw cards to form their best poker hands, utilize secret cards to enhance their chances of success, and strategically reorder their hands to counter the opponent's moves. Winning at least 3 out of 4 matchups in the Combat phase is essential to progress, ensuring a fresh and engaging experience with each playthrough.