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
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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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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Dioramas
Scrapped Aperture Science Diorama Exhibition |
| Diorama concept screenshot
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| Diorama concept screenshot
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Box Art
Portal 2 concept box art |
| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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| Portal 2 concept box art design
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