His fourth studio album, Bass Generation, was released on 25 September 2009.
The Double Disc version includes remixes of some of his singles, such as the Swedish version of "Without Stars" and "Camilla".
In early September 2009, prior to the album release, the track "Numbers" was released to the public as a free download via Basshunter's official Bebo account.
Bass Generation reached number 2 in New Zealand and number 16 in the British and Irish charts.
It sold  60,000 copies and was certified silver in the United Kingdom.
The single "Every Morning" from the album was released on 18 September 2009.
It reached number 13 on Swedish singles chart and number 14 in New Zealand.
It peaked at number 17 in the United Kingdom and Ireland. "
I Promised Myself", a cover of a Nick Kamen hit was released on 29 November 2009.
His fourth studio album, Bass Generation, was released on 25 September 2009. The Double Disc version includes remixes of some of his singles, such as the Swedish version of "Without Stars" and "Camilla". In early September 2009, prior to the album release, the track "Numbers" was released to the public as a free download via Basshunter's official Bebo account. Bass Generation reached number 2 in New Zealand and number 16 in the British and Irish charts. It sold  60,000 copies and was certified silver in the United Kingdom. The single "Every Morning" from the album was released on 18 September 2009. It reached number 13 on Swedish singles chart and number 14 in New Zealand. It peaked at number 17 in the United Kingdom and Ireland. "I Promised Myself", a cover of a Nick Kamen hit was released on 29 November 2009.
Basshunter