ZPF is a retro-inspired horizontal shooter for Sega Genesis/Mega Drive, drawing clear influence from classics like Lords of Thunder and the Thunderforce series. The game tasks players with navigating intense bullet patterns and defeating waves of enemies. Players select from multiple heroes, each offering a distinct playstyle through unique shots and melee attacks. ZPF incorporates mid and end-stage boss battles that require specific strategies. Between levels, players can upgrade their arsenal and acquire tips at in-game shops. Completing stages can also reveal hidden secrets.