The Logitech G502 might not have quite the pedigree of the likes of the nearly 20-year-old Razer DeathAdder‚ but it's still one of the longer-running mouse names on the market‚ and it's just marked its 10th year. In all that time‚ it has proved hugely popular‚ selling over 21 million units‚ so clearly it's got something right. However‚ on the day Logitech is celebrating its best seller's birthday with a free mousepad giveaway‚ I'm here to say I'm surprised this mouse ever sold so well. While the current Logitech G502 isn't listed on our best gaming mouse guide at the moment‚ it does offer masses of useful extra buttons‚ a tiltable scroll wheel‚ and a comfortable design. It's just that it did some gaming mouse stuff terribly for a long time. Continue reading The world’s best-selling but worst gaming mouse is 10 today MORE FROM PCGAMESN: Logitech G Pro Superlight 2‚ Logitech G Pro X TKL Lightspeed review‚ Best gaming mouse