The Dungeons & Dragons BECMI edition was an edition of Dungeons & Dragons that was released in 1983, and consisted of five rulebooks for different levels of player character parties. These five sets were:

The first initials of these five sets (BECMI) gives the colloquial name of the edition.

The BECMI edition was one of the Basic (as opposed to Advanced) editions of D&D, an immediate successor to the BX edition (which had only Basic and Expert Sets). In 1991, the BECMI rules were compiled and edited into a new edition, the Dungeons & Dragons Rules Cyclopedia edition, so named because the core rulebook was the Rules Cyclopedia.

The setting of the BECMI was the Known World.

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