Portal Series_1 FullScreen A W D UpArrow RIghtArrow LeftArrow Mouse click Some level Red button press About [ Portal Series_1 ]this game is a puzzle game so solve a puzzle open the door and go to the next level. play games for a more fun Title：Portal Series_1Genres：PuzzlesTags： 1 Player Adventure jump Puzzle 性別：Male Female Devices：Desktop
