Eye of the Beholder features a first-person perspective in a three-dimensional dungeon,[8] very similar to the earlier Dungeon Master.[9] The player controls four characters, initially, using a point-and-click interface to fight monsters.[8] This can be increased to a maximum of six characters, by resurrecting one or more skeletons from dead non-player characters (NPCs), or finding NPCs that are found throughout the dungeons.
The possibility to increase the size of the player's party through the recruiting of NPCs was a tradition in all of the Eye of the Beholder series. It was also possible to import a party from Eye of the Beholder into The Legend of Darkmoon or from The Legend of Darkmoon into Assault on Myth Drannor; thus, a player could play through all three games with the same party.