OpenRA uses traits to define the behavior and properties of game entities (actors). Traits are modular components that can be combined to create complex game mechanics. This document lists all available traits, their hierarchical relationships, descriptions, and key properties.

Order	Trait Name	Parent	Description	Properties
1	ExistsInWorld	-	Base trait for all entities that exist in the world	-
2	AppearsOnRadar	-	Makes the actor appear on radar	-
3	CombatDebugOverlay	-	Displays debug information during combat	-
4	GivesExperience	-	Allows this actor to give experience to attackers when destroyed	PlayerExperienceModifier
5	ScriptTriggers	-	Allows the actor to be targeted by Lua scripts	-
6	RenderDebugState	-	Renders debug information about the actor's state	-
7	SpriteActor	-	Base trait for sprite-based actors	-
8	BodyOrientation	-	Provides orientation data for the actor's body	-
9	QuantizeFacingsFromSequence	-	Quantizes facings to match the sprite sequence	-
10	RenderSprites	-	Renders the actor's sprites	-
11	ClassicFacingSpriteActor	-	Base trait for sprite actors using classic facings	-
12	ClassicFacingBodyOrientation	-	Provides orientation data for classic facing actors	-
13	HitShape	-	Defines the hit box shape for the actor	Type, TopLeft, BottomRight, UseTargetableCellsOffsets
14	GainsExperience	-	Allows the actor to gain experience and rank up	LevelUpNotification, Conditions, LevelUpImage
15	GrantCondition	-	Grants a condition to the actor	RequiresCondition, Condition
16	DamageMultiplier	-	Multiplies damage received by the actor	RequiresCondition, Modifier
17	FirepowerMultiplier	-	Multiplies the actor's firepower	RequiresCondition, Modifier
18	SpeedMultiplier	-	Multiplies the actor's speed	RequiresCondition, Modifier
19	ReloadDelayMultiplier	-	Multiplies the actor's reload delay	RequiresCondition, Modifier
20	ChangesHealth	-	Changes the actor's health over time	Step, PercentageStep, Delay, StartIfBelow, DamageCooldown, RequiresCondition
21	WithDecoration	-	Adds visual decoration to the actor	Image, Sequence, Palette, Position, Margin, ValidRelationships, RequiresCondition
22	IronCurtainable	-	Allows the actor to be made invulnerable	-
23	WithColoredOverlay	-	Adds a colored overlay to the actor	RequiresCondition, Color
24	TimedConditionBar	-	Shows a progress bar for timed conditions	Condition
25	ExternalCondition	-	Allows external traits to grant conditions	Condition
26	AutoTarget	-	Automatically targets enemies in range	AttackAnythingCondition
27	AutoTargetPriority	-	Sets priority for auto-targeting	RequiresCondition, ValidTargets, InvalidTargets
28	AttackMove	-	Allows the actor to attack while moving	AssaultMoveCondition
29	HandicapFirepowerMultiplier	-	Adjusts firepower based on player handicaps	-
30	HandicapDamageMultiplier	-	Adjusts damage based on player handicaps	-
31	HandicapProductionTimeMultiplier	-	Adjusts production time based on player handicaps	-
32	GrantConditionOnPrerequisite	-	Grants a condition when a prerequisite is available	Condition, Prerequisites
33	GivesBounty	-	Gives resources to the destroying player	RequiresCondition
34	Huntable	-	Allows the actor to be hunted by the AI	-
35	OwnerLostAction	-	Defines what happens when the owner is defeated	Action, DeathTypes
36	UpdatesPlayerStatistics	-	Updates player statistics when created or destroyed	-
37	Mobile	-	Allows the actor to move	PauseOnCondition, Locomotor, TurnSpeed
38	Selectable	-	Makes the actor selectable	Bounds, Class, Priority, PriorityModifiers
39	Targetable	-	Makes the actor targetable	RequiresCondition, TargetTypes
40	GrantConditionOnDamageState	-	Grants a condition when actor is damaged	Condition, ValidDamageStates
41	Repairable	-	Allows the actor to be repaired	RepairActors
42	Chronoshiftable	-	Allows the actor to be chronoshifted	-
43	Passenger	-	Allows the actor to be transported	CargoType, CargoCondition
44	HiddenUnderFog	-	Hides the actor under fog of war	Type
45	ActorLostNotification	-	Shows a notification when the actor is lost	TextNotification
46	ProximityCaptor	-	Allows this actor to be captured when enemies are nearby	Types
47	GpsDot	-	Shows a dot on the minimap when GPS is active	String
48	WithDamageOverlay	-	Shows an overlay when the actor is damaged	-
49	Guard	-	Allows the actor to guard other actors	-
50	Guardable	-	Allows the actor to be guarded	Range
51	Tooltip	-	Shows a tooltip when hovering over the actor	GenericName, Name
52	CaptureManager	-	Manages the actor's capture state	BeingCapturedCondition
53	Capturable	-	Allows the actor to be captured	Types, CancelActivity, RequiresCondition
54	CaptureNotification	-	Shows a notification when the actor is captured	Notification, TextNotification, LoseNotification, LoseTextNotification
55	MustBeDestroyed	-	Actor must be destroyed for mission success	RequiredForShortGame
56	Voiced	-	Gives the actor a voice	VoiceSet
57	Parachutable	-	Allows the actor to be paradropped	FallRate, KilledOnImpassableTerrain, ParachutingCondition
58	FireWarheadsOnDeath	-	Triggers warheads when the actor dies	Weapon, EmptyWeapon
59	WithFacingSpriteBody	-	Renders the actor's body with facing	-
60	WithParachute	-	Renders a parachute when the actor is falling	ShadowImage, ShadowSequence, Image, Sequence, OpeningSequence, Offset, RequiresCondition
61	MapEditorData	-	Defines how the actor appears in the map editor	Categories, ExcludeTilesets
62	TrackedVehicle	^Vehicle	Base trait for tracked vehicles	-
63	Infantry	^ExistsInWorld	Base trait for infantry units	-
64	Armor	-	Defines armor type	Type
65	RevealsShroud	-	Reveals shroud around the actor	Range
66	WithInfantryBody	-	Renders the infantry's body	IdleSequences, StandSequences
67	WithDeathAnimation	-	Plays an animation when the actor dies	DeathTypes, CrushedSequence
68	Crushable	-	Allows the actor to be crushed	CrushSound
69	DeathSounds	-	Plays sounds when the actor dies	Voice, DeathTypes
70	Cloneable	-	Allows the actor to be cloned	Types
71	EdibleByLeap	-	Allows the actor to be eaten by leaping units	-
72	DetectCloaked	-	Allows the actor to detect cloaked units	DetectionTypes, Range
73	TakeCover	-	Allows infantry to take cover	DamageModifiers, DamageTriggers, Duration
74	AttackFrontal	-	Allows attacking units in front	FacingTolerance
75	CivInfantry	^Infantry	Base trait for civilian infantry	-
76	Valued	-	Defines the actor's value	Cost
77	ScaredyCat	-	Makes the actor flee when threatened	-
78	Wanders	-	Makes the actor wander around	MinMoveDelay, MaxMoveDelay
79	ArmedCivilian	-	Civilian that can attack	-
80	Armament	-	Defines a weapon attachment	Weapon, Name
81	Ship	^ExistsInWorld	Base trait for ships	-
82	Targetable	-	Makes the actor targetable	TargetTypes
83	RepairableNear	-	Allows the actor to be repaired near certain structures	RepairActors
84	Submarine	^Ship	Base trait for submarines	-
85	Cloak	-	Allows the actor to cloak	DetectionTypes, InitialDelay, CloakDelay, CloakStyle, CloakSound, UncloakSound, CloakedCondition, PauseOnCondition
86	NeutralPlane	^ExistsInWorld	Base trait for neutral aircraft	-
87	Aircraft	-	Allows the actor to fly	AirborneCondition, CanHover, CruisingCondition, WaitDistanceFromResupplyBase, TakeOffOnResupply, VTOL, LandableTerrainTypes, Crushes, CanSlide
88	EjectOnDeath	-	Ejects a pilot when the aircraft is destroyed	PilotActor, SuccessRate, EjectOnGround, EjectInAir, AllowUnsuitableCell, ChuteSound
89	WithShadow	-	Renders a shadow underneath the actor	Offset, ZOffset
90	SpawnActorOnDeath	-	Spawns an actor when this actor dies	RequiresCondition
91	Plane	^NeutralPlane	Base trait for planes	-
92	Helicopter	^Plane	Base trait for helicopters	-
93	Hovers	-	Makes the actor hover	RequiresCondition
94	BasicBuilding	^ExistsInWorld	Base trait for all buildings	-
95	Building	-	Defines building properties	Dimensions, Footprint, TerrainTypes, RequiresBaseProvider, BuildSounds, UndeploySounds
96	ActorPreviewPlaceBuildingPreview	-	Shows a preview when placing a building	PreviewAlpha
97	RequiresBuildableArea	-	Requires a buildable area to place	AreaTypes, Adjacent
98	SoundOnDamageTransition	-	Plays sounds when the actor is damaged	DamagedSounds, DestroyedSounds
99	WithSpriteBody	-	Renders the actor's body with sprites	-
100	ShakeOnDeath	-	Shakes the screen when the actor dies	-
101	FrozenUnderFog	-	Keeps the actor's last visible state when under fog	-
102	FrozenUnderFogUpdatedByGps	-	Updates the frozen state when GPS is active	-
103	Demolishable	-	Allows the actor to be demolished	Condition
104	CommandBarBlacklist	-	Prevents the actor from showing in the command bar	-
105	Building	^BasicBuilding	Base trait for constructed buildings	-
106	GivesBuildableArea	-	Provides an area where other buildings can be constructed	AreaTypes
107	RepairableBuilding	-	Allows the building to be repaired	RepairStep, PlayerExperience, RepairingNotification
108	InstantlyRepairable	-	Allows the building to be instantly repaired	-
109	AcceptsDeliveredCash	-	Allows the building to accept cash deliveries	-
110	WithMakeAnimation	-	Shows an animation while the building is being constructed	Condition
111	CapturableProgressBar	-	Shows a progress bar while being captured	-
112	CapturableProgressBlink	-	Makes the actor blink while being captured	-
113	SpawnActorsOnSell	-	Spawns actors when the building is sold	ActorTypes, GuaranteedActorTypes
114	Sellable	-	Allows the building to be sold	RequiresCondition, SellSounds, Notification
115	WithBuildingRepairDecoration	-	Shows a repair decoration on the building	Image, Sequence, Position, Palette, IsPlayerPalette
116	ScienceBuilding	^Building	Base trait for science buildings	-
117	Defense	^Building	Base trait for defensive structures	-
118	RenderRangeCircle	-	Renders the attack range circle	-
119	Wall	^ExistsInWorld	Base trait for walls	-
120	Interactable	-	Makes the actor interactable	Bounds
121	FootprintPlaceBuildingPreview	-	Shows a footprint preview when placing	LineBuildFootprintAlpha
122	Crushable	-	Allows the actor to be crushed	CrushClasses
123	LineBuild	-	Allows buildings to be built in lines	Range, NodeTypes
124	LineBuildNode	-	Defines node types for line building	Types
125	WithWallSpriteBody	-	Renders wall sprites	-
126	RadarColorFromTerrain	-	Sets radar color based on terrain	Terrain
127	AppearsOnMapPreview	-	Makes the actor appear in the map preview	Terrain
128	TechBuilding	^BasicBuilding	Base trait for tech buildings	-
129	FakeBuilding	^Building	Base trait for fake buildings	-
130	WithDecoration	-	Adds visual decoration to the actor	Position, Margin, RequiresSelection, Image, Sequence
131	InfiltratableFake	-	Allows the building to be infiltrated	-
132	InfiltrateForDecoration	-	Adds decoration when infiltrated	Types, Position, Margin, RequiresSelection, Image, Sequence
133	AmmoBox	^TechBuilding	Base trait for ammunition boxes	-
134	CivBuilding	^TechBuilding	Base trait for civilian buildings	-
135	CivField	^CivBuilding	Base trait for civilian fields	-
136	CivHaystackOrIgloo	^CivField	Base trait for haystacks and igloos	-
137	GrantConditionOnTileSet	-	Grants a condition based on tileset	Condition, TileSets
138	Tree	^SpriteActor	Base trait for trees	-
139	WithDamageOverlay	-	Shows an overlay when the actor is damaged	DamageTypes, Image, Palette, MinimumDamageState, MaximumDamageState
140	RequiresSpecificOwners	-	Requires specific owners	ValidOwnerNames
141	TreeHusk	^SpriteActor	Base trait for tree husks	-
142	Box	^Tree	Base trait for boxes	-
143	BasicHusk	-	Base trait for all husks	-
144	Health	-	Defines the actor's health	HP, NotifyAppliedDamage
145	HitShape	-	Defines the hit box shape for the actor	-
146	Husk	^BasicHusk	Base trait for vehicle husks	-
147	WithIdleOverlay	-	Shows an overlay when the actor is idle	Image, Sequence, IsDecoration
148	OwnerLostAction	-	Defines what happens when the owner is defeated	Action
149	TransformOnCapture	-	Transforms the actor when captured	ForceHealthPercentage
150	InfiltrateForTransform	-	Allows transformation when infiltrated	Types, ForceHealthPercentage
151	PlaneHusk	^BasicHusk	Base trait for plane husks	-
152	FallsToEarth	-	Makes the actor fall to the ground	Moves, Velocity, Explosion, MaximumSpinSpeed
153	RevealOnDeath	-	Reveals area around actor when it dies	Duration, Radius
154	HelicopterHusk	^BasicHusk	Base trait for helicopter husks	-
155	Bridge	^1x1Shape	Base trait for bridges	-
156	AlwaysVisible	-	Makes the actor always visible	-
157	BodyOrientation	-	Provides orientation data for the actor's body	QuantizedFacings
158	Rock	^SpriteActor	Base trait for rocks	-
159	DesertCivBuilding	^CivBuilding	Base trait for desert civilian buildings	-
160	Crate	^SpriteActor	Base trait for crates	Duration, TerrainTypes
161	WithCrateBody	-	Renders the crate's body	XmasImages, LandSequence, WaterSequence
162	Mine	^SpriteActor	Base trait for mines	CrushClasses, DetonateClasses, AvoidFriendly, BlockFriendly
163	Immobile	-	Makes the actor immobile	OccupiesSpace
164	DisableOnLowPower	-	Disables the actor when power is low	-
165	WithColoredOverlay	-	Adds a colored overlay to the actor	RequiresCondition, Color
166	GrantConditionOnPowerState	-	Grants a condition based on power state	Condition, ValidPowerStates
167	DisableOnLowPowerOrPowerDown	^DisableOnLowPower	Disables when power is low or manually powered down	-
168	ToggleConditionOnOrder	-	Toggles a condition when ordered	DisabledSound, EnabledSound, Condition, OrderName
169	PowerMultiplier	-	Multiplies power usage	RequiresCondition, Modifier
170	DisabledByPowerOutage	-	Disables the actor during a power outage	-
171	AffectedByPowerOutage	-	Affected by power outages	Condition
172	InfiltrateForPowerOutage	-	Causes a power outage when infiltrated	Types, PlayerExperience
173	Power	-	Produces or consumes power	RequiresCondition
174	Selectable	-	Makes the actor selectable	-
175	SelectionDecorations	-	Shows selection decorations	-
176	WithSpriteControlGroupDecoration	-	Shows control group decorations	Margin
177	DrawLineToTarget	-	Draws a line to the actor's target	-
178	WithCargoPipsDecoration	-	Shows pips for cargo	Position, Margin, RequiresSelection, CustomPipSequences
179	PrimaryBuilding	-	Marks a building as primary	PrimaryCondition, SelectionNotification, SelectionTextNotification