particles_manifest { "file" "particles/portalgun.pcf" "file" "particles/portal_projectile.pcf" "file" "particles/portals.pcf" "file" "particles/cleansers.pcf" "file" "particles/tubes.pcf" "file" "particles/environment.pcf" "file" "particles/glados.pcf" "file" "particles/neurotoxins.pcf" "file" "particles/finale_fx.pcf" }