
ZDoom, however, features free look and mouse look, rendering vertical autoaim optional as well. Vertical autoaim, however, was absolutely needed because vanilla Doom features varying elevations (making it a "2.5D" game) but not free look, making it impossible to manually aim at enemies that are above or below you. The early alpha and beta versions of Doom did not feature horizontal autoaim. With the keyboard+mouse configuration generally used nowadays, it is less needed, though still available.

Horizontal autoaim allows to compensate for the lack of precision in keyboard-only movements, which were still considered the norm at the time Doom was developed. For more information on this article, visit the Autoaim page on the Doom Wiki.Īutoaim is a feature of the engine that assists the aim of the player.
