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Play Dezaemon (Japan) Online

Tinkering with clunky sprite editors and chaotic bullet patterns, making janky shooters that somehow felt awesome—like hacking the NES to build your own games.

Developer: Bullet Proof Software
Genre: Shooter
Released: 1991
File size: 128 bytes
Game cover
Game Overview

Dezaemon, released by Bullet Proof Software for the Nintendo Entertainment System in 1991, was a rare and unusual title for its time. It wasn't a traditional game to play through, but rather a construction set that let you build your own side-scrolling shooters. In an era dominated by fixed, polished experiences, it offered a fascinating, hands-on look at game design from the inside out.

You spend most of your time in the editor, placing enemy sprites, designing attack patterns, and mapping out levels screen by screen. The main objective is to craft a complete, playable shooter from scratch, testing each stage as you go. Signature mechanics include drawing your own ship and enemy designs with a rudimentary tile editor, and programming enemy movement and bullet behavior with simple command inputs. The pacing is entirely self-directed, though the tools can feel restrictive and the learning curve is steep. It feels like a deeply personal, sometimes frustrating, but ultimately rewarding act of creation.

Nintendo (NES)
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