Each of the games in the Portal series went through many iterations and multiple design phases before their official release. At various stages of each game's development and release, various pieces of concept art were made public.
Portal
Portal 2
Aperture Science Handheld Portal Device
Chell
Forgotten Aperture Science Facility
| Old Aperture Science Facility |
| Old Aperture Science concept art
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| Old Aperture Science concept art
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| Old Aperture Science concept art
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| Old Aperture Science concept art
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Atlas and P-Body
| Atlas and P-Body Concept Art |
| Atlas and P-Body concept art
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| Atlas and P-Body concept art
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| Atlas and P-Body concept art
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| Atlas and P-Body concept art
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| Atlas and P-Body concept art
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| Atlas and P-Body concept art
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| Atlas and P-Body concept art
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| Atlas and P-Body concept art
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| Atlas and P-Body concept art
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Box Art
| Xbox 360 Box Art Concepts |
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