Steam Community :: Guide :: Using the Portal 2 Puzzle Builder
/cdn.vox-cdn.com/uploads/chorus_image/image/1953193/portal_2_pti.0.jpg "Portal 2' puzzle maker now supports design for two-player co-op maps - Polygon")
Portal 2' puzzle maker now supports design for two-player co-op maps - Polygon
Portal 2 puzzle maker to hammer lighting issue : r/hammer
Valve releases simplifed Portal 2 level editor for PC and Mac | TechSpot
Perpetually Testing Portal 2's Perpetual Testing Initiative | Rock Paper Shotgun
Portal 2 Puzzle Maker: Observation Room - Valve Developer Community
Antlines : r/Portal
Portal 2 Puzzle Maker: Glass Panel - Valve Developer Community
Portal 2 Puzzle Maker Review for Teachers | Common Sense Education
Portal 2 Perpetual Testing Initiative is Now Available - Just Push Start
Puzzle Creator - Portal Wiki
Portal Reloaded on Steam
Portal 2 Puzzle Creator reaches Valve's internal beta chambers
Trudy's Level Editor news - Mod DB
Portal 2 (Windows, Mac OS X, Linux) - The Cutting Room Floor
Portal 2 Puzzle Maker/Logic Gates - Valve Developer Community
Portal 2 Puzzle Maker/Getting Started - Valve Developer Community
Puzzle Creator - Portal Wiki
Valve，「Portal 2」向けのオーサリングツール「Portal 2 Puzzle Creator」の制作を発表
Steam Community :: Guide :: Using the Portal 2 Puzzle Builder
Portal 2 Puzzle Maker: Faith Plate - Valve Developer Community
Portal 2 Puzzle Maker #2 | Jack Goodall
Valve，「Portal 2」向けのオーサリングツール「Portal 2 Puzzle Creator」の制作を発表
Portal 2 Puzzle Creator : How to Make a Good Test Chamber : 3 Steps - Instructables
Steam Community :: Guide :: Using the Portal 2 Puzzle Builder
