Released
Allotrope - Mapaday 4
The fourth map of my Map a day series. One short map each day. Can you beat the world's slowest energy ball in a race? ==Created in one day==
Ultraviolet - Mapaday 3
Third map-a-day. ==Made in one day==
Collimation - Mapaday 2
The second map of my Map a day series. One short map each day. Linear and short, but involves a larger area then the first one. Tomorrow's will be more puzzling. ==Created in one day==
Terahertz - Mapaday 1
The first of my Map a day series. One short map each day. This is the first one so I didn't know how much I could do in one day. Next one will be longer. ==Created in one day==
Quark
Entry for myaperturelabs contest #3.
Entropy
Beta of Entropy. This is a sequel to Catalyst and the second map in my Four Portals series. If you have not played Catalyst it is included as a tutorial for you.
Catalyst
A short map testing a new concept. Please post your thoughts so I can decide if I should use it in the future. [In future maps each portal will have an indicator in the bottom left showing you which Portal set it belongs to]
Quantum
Quantum, my third map. Includes least portals challenge.
Abandoned Facility
A map by Pestchamber This map is without GLaDOS. Enjoy!