DreamHack (DH) is a LAN party, a local area network gathering with demo competitions, gaming competitions and more. It's arranged twice annually at the Elmia exhibition centre in Jönköping, Sweden and also twice a year at Expolaris Congresscenter, Skellefteå, Sweden and holds the world record (as recognized by the Guinness Book of Records and Twin Galaxies) for the world's largest LAN party and computer festival.
DreamHack hosts a large E-sport tournament at each of their LANs, which include: Starcraft 2, Counter Strike 1.6, Heroes of Newerth among others. As well as organizing the LAN event, DreamHack is also responsible for arranging various Starcraft 2 invitational tournaments. The first one was held in Stockholm 12th of April 2011, which generated a great amount of interest from the Swedish media, especially the largest newspaper in Sweden, Aftonbladet, which streamed the event live.
In the year 2007 the founders of DreamHack received a diploma of honor from the municipality of Jönköping for being so important to business, education and society of the local community.
List of tournaments
Melee Winners 
Smash 4 Winners 
Ultimate Winners