Category:Portal level design

Getting started

• Controlling portals
• Creating a starting point

Beginner topics

• Challenge scripts
• Creating a security camera

List of point entities

• env_lightrail_endpoint
• env_portal_credits
• env_portal_path_track
• npc_portal_turret_floor
• npc_portal_turret_ground
• npc_rocket_turret
• npc_security_camera
• point_energy_ball_launcher
• prop_glados_core
• prop_portal
• prop_portal_stats_display
• weapon_portalgun
• vgui_neurotoxin_countdown

List of brush entities

• func_liquidportal
• func_noportal_volume
• func_portal_bumper
• [[[func_portal_detector|[func_portal_detector]]
• [[[func_portal_orientation|[func_portal_orientation]]
• [[[trigger_portal_cleanser|[trigger_portal_cleanser]]

Portal listings

• List of useful Portal models