Greatest Comeback In a Game.

[NoDragonsPlz]

It's labeled online games, because comebacks are most often related to that. Single Player Games can have comebacks too though I would suppose.
Anyway, What is your greatest comeback during a game? Mine just happened. Kalista ADC gameplay. We defended out 2 barons and a 5th Dragon buff, and managed to push and win the game! We only had our 2 nexus turrets left.

 

[kazkatgamer]

was on cod ghost joined a game with a friend the score was 12-46 he and i alone brought it back and won the game using only snipers

 

[Seagull on a Church Top]

14-1 in csgo, dust 2. We get T side and destroy them to win 16-14

 

[TwilightPrinze]

I had it with Final Fantasy XIV where we played Seize where 3 teams of 24 people have to take control over Nodes and we were way behind (800 points to win). The team in first place was at 700 (You lose 5 points if killed) and we were third with 200. We managed to push them back to 600 points and take lead in a matter of time thanks to the second team attacking them too leaving us to take the nodes quickly.