CBaseEntity (CS)
- CBaseEntity
- CBaseDelay
- CBasePlayerAmmo
- CAmbienGeneric (ambient_generic)
- CBubbling (env_bubbles)
- CCyclerSprite (cycler_sprite)
- CEnvSpark (env_spark, env_debris)
- CFuncTank (func_tank)
- CFrictionModifier (func_friction)
- CFuncRotating (func_rotating)
- CFuncTankControls (func_tankcontrols)
- CFuncTrackTrain (func_tracktrain)
- CPendulum (func_pendulum)
- CPointEntity
- CRuleEntity
- CSpeaker (speaker)
- CWeaponBox (weaponbox)