Category:Portal level design

Getting started

• Controlling portals

Beginner topics

• Challenge scripts
• Creating a security camera
• Creating a button and door
• Making GLaDOS speak

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_orientation
• trigger_portal_cleanser

Portal listings

• List of useful Portal models
• Portal Particle Effect List