| text = The '''[[Aperture Science]] Handheld Portal Device''' (also known as the '''Portal Gun''' or '''ASHPD''') is the experimental tool designed to place two [[portals]] that objects can pass through. This is the primary tool players are equipped with to complete [[Test Chamber]]s.
| text = '''[[Aperture Science]] Handheld Portal Device''' ('''Portal Gun'''またはASHPDとして知られている）はオブジェクトを通過することができる2つのポータルを配置するために設計された実験的なツールです。これは、主要なツールのがテストチャンバーを完成するために装備しています。
GLaDOS is the central core designed to control, guide, and oversee the Aperture Enrichment Center. With the ability to shift and move facilities and various chambers, GLaDOS is able to achieve a seamless and almost infinite testing design whilst residing in the Central AI Chamber.
Cave Johnson is the founder of Aperture Science, which was built from Aperture Science Innovations. He was briefly mentioned in Portal, but makes a more prominent appearance in Portal 2, in the form of tape recordings he leaves behind. His current status and whereabouts are unknown, presumed dead.
