In 1962 he was one of the founders of the international network Fluxus. He has made several hundreds of exhibitions and performances all around the world and published innumerable publications, one of them including a town.

His major works include: Hidden Paintings, Crying Spaces, Confession Kitchens, Lawns That Turn Towards The Sun and Artificial Stars.

In 1996 during Copenhagen, The Cultural City of Europe, he became the artistic director of the biggest InterMedia event ever presented. The event lasted three days and included helicopters, parachuters, living sheep, mountain climbers and 500 singers walking on the sea.

Eric Andersen is presented in all major collections of experimental art and has been rewarded many private and government granys. He won The Eiffel Tower Price in 1987 and received The Eckersberg Medal from The Royal Danish Academy of Fine Arts in 1997.

For the millennium he presented a 20 tonnes bronze bell, Campana degli Umori at Piazza Grande in Modena, Italy. A bell positioned in eye-level with the citizens of the town, - to create a new language of the bell. The bell hanging from a structure 6 m high was divided into 9 different shaped areas each with a different colour. All areas to be activated by clappers to produce 9 different sounds corresponding to 9 UMORI: Painful, Peaceful, Longing, In love, Pessimistic, Confused, Optimistic, Lonely and Furious.