Along with his twin brother Stig, Hans Andersson-Tvilling took up ice hockey in 1947. Like his brother, he played his entire career from 1947-58 with Djurgårdens IF and won four Swedish titles with them (1950, 1954, 1955, 1958). Internationally, Andersson-Tvilling earned 87 caps with the Swedish national team. He won an Olympic bronze in 1952, was a World Champion in 1953, won silver at the 1951 World Championships and bronze at the 1954 World Championships. He was also a European Champion from 1951-53, while taking silver at the 1954 European Championships and bronze at the 1955 European Championships. Andersson-Tvilling was also an accomplished football player, earning four caps with the Swedish national team. He was awarded the Stora Grabbars Märke (Big Boys’ Badge) #44 in ice hockey, a Swedish sports honorary award created in 1928 by Bo Ekelund. After finishing his sporting career, Andersson-Tvilling coached for a long time with Tranebergs IF.