Using the entities from Hipnotic's Scourge of Armagon
The following list of entities was taken from the entity faq released by Hipnotic Interactive, which can be found on their web site at http://www.hipnotic.com. Click on the linked ones for an explanation of their use.

Entities
ambient_fan_blowing
ambient_humming
ambient_riftpower
ambient_running_water
ambient_rushing
ambient_waterfall
effect_finale
effect_teleport
func_bobbingwater
func_breakawaywall
func_clock
func_counter
func_earthquake
func_exlpoder
func_movewall
func_multi_exploder
func_oncount
func_particlefield
func_pushable
func_rotate_door
func_rotate_entity
func_rotate_train
func_rubble
func_rubble1
func_rubble2
func_rubble3
func_spawn
func_spawn_small
func_togglewall
func_train2
info_command
info_rotate
info_startendtext
item_artifact_empathy_shields
item_artifact_wetsuit
item_hornofconjuring
monster_armagon
monster_decoy
monster_gremlin
monster_scourge
path_follow
path_follow2
path_rotate
play_sound
play_sound_triggered
random_thunder
random_thunder_triggered
rotate_object
trap_gods_wrath
trap_gravity_well
trap_spike_mine
trap_lightning
trap_lightning_switched
trap_lightning_triggered
trap_shooter
trap_spikeshooter
trap_switched_shooter
trap_tesla_coil
trigger_command
trigger_damagethreshold
trigger_decoy_use
trigger_hurt
trigger_monsterjump
trigger_multiple
trigger_remove
trigger_setgravity
trigger_usekey
trigger_waterfall
wallsprite
weapon_mjolnir
weapon_laser_gun
weapon_proximity_mine

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