As of 2013, KÍ have won the league title every season since 2000, with Andreasen as top goalscorer on 11 occasions, including in 2003 when she scored a record 46 goals.

Andreasen scored both goals in KÍ's opening 2–1 win over Austrians USC Landhaus Wien, but the team then lost 4–0 to hosts HJK and Italian champions Torres and were eliminated.

[2] The match was staged in Klaksvík on 12 October 2004, the day before the nations' senior men's teams met at Lansdowne Road, Dublin.

In the next match, a return friendly with Ireland at the Oscar Traynor Centre in Dublin, Andreasen put the Faroe Islands ahead after six minutes.

In 2012, Andreasen and her KÍ teammates Randi Wardum and Malena Josephsen simultaneously became the first female Faroese players to win 25 caps.