The competition began on 23 March 2012 and ended on 18 November 2012, with a summer break from 28 May to 30 June.

[2] Molde were the defending champions,[3] while Hønefoss and Sandnes Ulf entered as the promoted teams from the 2011 1. divisjon.

On 11 November 2011, Molde won the title with one matchday left to play after a 1–0 home win over Hønefoss.

[5] Molde secured the title in the 29th round after they won 1–0 at home, while Strømsgodset lost 2–1 against Sandnes Ulf.

They replaced Sarpsborg 08 (relegated after their first ever presence) and Start (ending their three-year spell in the top flight).