The game world scrolls by shifting 8x8 'blocks' rather than individual pixels. Proton escapes into the future, and Duke pursues him through time, to put an end to his mad schemes.Īccording to programmer and co-creator Todd Replogle, John Carmack helped him program some low-level parts of the game code in assembly language. The first episode takes place in the devastated city of Los Angeles. Duke Nukem, the eponymous hero, takes upon the task of stopping him. Proton is a madman, determined to take over the world with his army of Techbots. Proton.Īt the end of every level (with the exception of the last level in each episode), the player can receive up to seven 10,000 point bonuses, earned by making certain achievements in the level, such as destroying all cameras. The final level of each episode has no exit, and is instead completed by finding and defeating Dr. Besides points, some collectibles include health powerups, gun powerups, and some inventory items with special abilities.

Many objects onscreen can be shot including boxes, obstacles and blocks. The main objective of the game is to get to the exit of each level, while destroying enemies and collecting points.

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