Retailer's Nightmare is a horror game that follows Alice Marshall, a British MI6 agent, and her partner Leon S. Kennedy as they navigate a global pandemic caused by a new strain of the T-virus.
The player must guide the characters through various environments, from abandoned cities to sinister laboratories, while fighting against hordes of infected creatures and hostile human enemies. The game features a range of combat mechanics, including melee attacks, shooting, and puzzle-solving, as well as an emphasis on exploration and character interaction.