Can be disabled or enabled through options. Can be enabled or disabled in the options, entirely disabled at the 'Black Metal' difficulty.
Hell knights, barons of Hell and heavy weapon dudes can be kicked in the nuts, causing them to enter a longer pain state, but attack much more aggressively afterwards. In addition, the player can also slide kick and air kick by crouching and moving forward while kicking, jumping while moving forward while kicking, respectively. The player can kick monsters away (Default Key: Q), similar to Duke Nukem 3D.New game modes that can be selected when starting a new game, Standard Mode (Default gameplay and default weapons, either in a pistol start or an assault rifle start), Purist (plays through the Vanilla Doom weapons) and Tactical Mode (Lower speed, but can sprint otherwise the same as standard mode).Can be enabled or disabled in the options. Some maps have an Map Enhancement system, modifying maps into their 'brutalized' forms.
