Video: GTA 5: Gaming granny wreaks revenge on energy supplier The gaming pensioner goes on a GTA video game killing spree in response to a letter she received from British Gas, saying they were increasing her bill by 20 per cent. GamerGran87, as she is known on YouTube, posted the video entitled British Gas Rampage which has been viewed more than 300,000 times. Under the video she posts, "sorry about the language everyone but I got a letter from British Gas and I had to let my anger out!" Twenty per cent price hike?! You thieving b------s. Warning: This video contains the depiction of video gameplay violence