In 2013, Go's popularity further rose through the nostalgic campus drama Reply 1994. In order to portray Sung Na-jung, she cut her hair short, and gained 18 lbs. While many doubted her casting when it was first announced, Go's acting later nabbed praise both critically and with viewers. For her performance, Go received Best Actress nominations in the Baeksang Art Awards and APAN Star Awards. She next starred as the sole female rookie detective in the 2014 police drama You're All Surrounded, alongside Lee Seung-gi and Cha Seung-won.