N/A                                   weapon_recoil                                                 Firing a weapon pushes the player back
---N/A (todo, lastenemy?)             monsters_remember                       1                         Friendly monsters return to old target when losing current one
!LEVEL2_NOINFIGHTING                  monster_infighting                      1                          Monsters infight
LEVEL3_AVOIDMELEE                     monster_backing                                                 Ranged monsters will back away from close melee targets
COMPATF2_AVOID_HAZARDS                monster_avoid_hazards                   1                             Monsters avoid hazards such as crushing ceilings
N/A                                   monkeys                                                 Monsters can climb steep stairs
COMPATF_MBFMONSTERMOVE                monster_friction                        1                        Monsters are affected by friction modifiers
                                      help_friends                                                 Friendly monsters prefer targets of friends
                                      player_helpers                                                 Number of dogs to spawn
                                      friend_distance                         128                     Friendly monsters try to keep at least this distance apart
!LEVEL3_NOJUMPDOWN                    dog_jumping                             1                   Dogs can jump down from high ledges
N/A                                   comp_telefrag                                                 Spawners only telefrag on Map 30
COMPATF_DROPOFF                       comp_dropoff                            01                     Discourage / prevent enemies from walking off ledges (?)
COMPATF_CORPSEGIBS,BCOMPATF_VILEGHOSTS comp_vile                                                 Archviles can create ghosts
COMPATF_LIMITPAIN                     comp_pain                                                 Pain elementals don't spawn lost souls if there are over 20
--- N/A (todo)                        comp_skull                                                 Lost souls can spawn past impassable lines
N/A                                   comp_blazing                                                 Blazing doors have double sounds
COMPATF_NODOORLIGHT                   comp_doorlight                                                 Door lighting changes are abrupt
COMPATF_LIGHT,COMPATF_SHORTTEX (partial)               comp_model                                                 Assorted physics quirks and bugs
N/A                                   comp_god                                                 God mode is removed in sector 11 & ignored at 1000+ damage
N/A                                   comp_falloff                                                 Don't pull monsters off ledges they are hanging off of
COMPATF2_FLOORMOVE                    comp_floors                                                 Assorted floor bugs
N/A                                   comp_skymap                                                 Don't apply invulnerability palette to skies
---todo                               comp_pursuit                            1                    Monsters can infight immediately when alerted
N/A                                   comp_doorstuck                                                 Monsters get stuck in door tracks
COMPATF2_STAYONLIFT                   comp_staylift                                                 Monsters don't prefer staying on lifts their target is on
N/A                                   comp_zombie                                                 Dead players can activate things
COMPATF_STAIRINDEX                    comp_stairs                                                 Assorted stair bugs
N/A                                   comp_infcheat                                                 ?
N/A                                   comp_zerotags                                                 Allow tag zero actions
N/A                                   comp_respawn                                                 Monsters not spawned at level start respawn at the origin
N/A                                   comp_soul                                                 Buggy lost soul bouncing
COMPATF_CROSSDROPOFF                  comp_ledgeblock                         10                       Monsters are blocked by ledges (except when scrolling)
---todo                               comp_friendlyspawn                      1                          Spawned things inherit the friend attribute from the source
---todo                               comp_voodooscroller                                       [fix voodoo doll speed on slow scrollers: - When on: voodoo dolls on slow scrollers move too slowly - When off (default): voodoo dolls move the same speed as the floor]
COMPATF2_RESERVEDLINEFLAG             comp_reservedlineflag                   0                 Clear non-vanilla linedef flag bits, if ML_RESERVED is present, certain old editors set them all to ON.
