Duke Nukem: Manhattan Project is a platform game developed by Sunstorm Interactive, produced by 3D Realms, and published by Arush Entertainment. Duke Nukem: Manhattan Project (aka Duke Nukem: Projeto Manhattan – A Ameaça Mutante, DNMP), a really nice action game sold in for Windows, is available.
 
 

Duke Nukem: Manhattan Project Free Download (GOG) » STEAMUNLOCKED

 
Duke Nukem: Manhattan Project is still considered as a game that started the whole platform game genre. Spawn StudiosApogee Entertainment. These enemies include metamorphic alligators, giant cockroaches, and even the Pig cops from Duke Nukem 3D.