Alésia Glidewell[*][[Alésia Glidewell (American director and actress)|]] (Chell[*][[Chell (player character in the Portal series)|]]) Ellen McLain[*][[Ellen McLain (American voice actress and opera singer)|]] (GLaDOS[*][[GLaDOS (fictional artificially intelligent computer system in the Portal series of video games)|]]) Stephen Merchant[*][[Stephen Merchant (English actor, comedian, director, radio presenter and writer)|]] (Wheatley[*][[Wheatley (fictional character in the Portal series of video games)|]]) J. K. Simmons (Cave Johnson[*][[Cave Johnson (Portal 2 character)|]]) Dee Bradley Baker[*] (ATLAS[*][[ATLAS (fictional robot from the Portal series)|]] și P-body[*][[P-body (fictional robot from the Portal series)|]])
PEGI 12[*][[PEGI 12 (PEGI video game content rating - formerly "PEGI 11" in Finland)|]] (Violence[*][[Violence (PEGI video game content descriptor for games that contain violence)|]] și Bad Language[*][[Bad Language (PEGI video game content rating. The game may contain profanity and all manner of slurs, insults, and epithets.)|]])[5]
USK
USK 12[*][[USK 12 (USK video game content rating: suitable only for persons aged 12 years and over)|]][6] USK 12[*][[USK 12 (USK video game content rating: suitable only for persons aged 12 years and over)|]][7] USK 12[*][[USK 12 (USK video game content rating: suitable only for persons aged 12 years and over)|]][8]
CERO
B (Ages 12 and up)[*][[B (Ages 12 and up) (CERO video game content rating)|]]
ESRB
Everyone 10+[*][[Everyone 10+ (ESRB video game content rating in which recommends a video game to those 10+)|]] (Fantasy Violence[*][[Fantasy Violence (ESRB video game content rating descriptor for games that contains unrealistic violence that can easily be distinguished from real-life for games that also includes violent actions that look cartoon-like in nature.)|]] și Mild Language[*][[Mild Language (ESRB video game content descriptor for games that includes mild use of profanity.)|]])[9][10][11]
Jocul cuprinde în primul rând o serie de puzzle-uri care trebuiesc rezolvate prin teleportarea personajului jucătorului și a obiectelor simple folosind "Portalul, un dispozitiv portabil" care poate crea portaluri interspațiale între două planuri plate, cu ajutorul unui pistol special.
