Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: None
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: None
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: None
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: June 13, 2015 -
PSN (PS3) [NA] - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: ~Nov. ?, 2015 - ~Jan. 25, 2016
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: June 27, 2016 -
PSN (PSP) [NA] - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: Feb. ? - Feb. ?
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: Dec. 25, 2015 -
PS3 [NA] - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: Gift from parents
PSN (PSP) [NA] - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: None
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: GotY Edition; June 29 -
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: Bought in Art Appreciation Pack
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: None
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: None
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: Nov. 29, 2015 -
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: None
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: Bought with Portal 2; ~Jan. 6, 2013 - Jan. 7, 2013
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: Bought with Portal; Jan. 7, 2013 - ~Jan. 16, 2013
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: None
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: June 13, 2015 -
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: None
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: March 31, 2014 - ~April 4, 2014
Steam - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: All DLC bought; July 16, 2016 -
PSN (PS3) [NA] - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: None
PSN (PS3) [NA] - Official Release
Cart/Disk
Case/Box
Manual
Other
Notes: ~June 1, 2015 - ~June 3, 2015 (didn't beat); December 25, 2015 -