Editor Assembler is an educational game for the TI-99 computer. The story revolves around a young programmer who wants to create its own games and software, but needs help with assembly programming. With the guidance of a wise old mentor, the player learns the basics of assembly language and puts it into practice by creating their own simple programs and games.
The gameplay is focused on teaching the fundamentals of assembly programming. The player completes various tasks such as writing and debugging code, which helps to build their skills and confidence.
As the player progresses through the game, they unlock new features and tools that allow them to create more complex programs and games.