Mega City Police: Prelude is a free prelude version of the Mega City Police game, developed by Undreamed Games. It is a Retrowave Skill-Based Action Roguelike game that takes inspiration from old-school action movies. The game is set in Mega City, where the crime rate is sky-high, and the streets are filled with criminals and psychopaths. The player takes on the role of a police officer, tasked with maintaining law and order in the city.

The game features hardcore gameplay that is challenging and engaging. The player needs to use their skills and abilities to destroy enemies at every level. There are tons of weapons and upgrades available, which can be purchased from the store using the money collected from enemies. Each cop in the game has a unique tactical playstyle, which adds to the replayability of the game. The pixel art visual style of the game is inspired by the 80s and the 90s action movies and video games, giving it a nostalgic feel. The game also has a robust progression system and procedurally generated levels, making it highly replayable.