Portal 1 - Test Chamber 13: Advanced Update: - Made the laser function similar to the energy pellet by turning off after use. Notes: - Dimensions aren't perfect due to limitations....

Portal 1 - Test Chamber 14: Advanced Update: - Made elevator function better. - Added a new mechanic so the laser functions more like the energy pellet when used and stops working upon beating the puzzle. Notes: - Dimensions are as close to the original as...

Portal 1 - Test Chamber 15: Advanced Update: - Totally revamped the second room to function more like the original. That's what the out of bounds buttons and boxes are for. Notes: - As there are no energy pellets I had to make some tweaks to the original p...

Portal 1 - Test Chamber 16: Advanced Notes: - Dimensions are as close to the original as possible while still being functional. - It's hard but beatable. - Unlike the original you can pickup the turrets and make it a lot easier but try to avoid that....

Portal 1 - Test Chamber 17: Advanced Notes: - I tried to make it as true to the original as possible by forcing you to use the sphere for all puzzles. - Ignore the floor panel at the start. It's needed for the sphere sacrifice at the end. - The out of room...

Portal 1 - Test Chamber 18: Advanced Notes: - Dimensions are as close to the original as possible but due to limitations the path to the final room had to be altered and the room is slightly smaller. - The turret room is hard but the map is possible to bea...