During production of the album, The All-American Rejects broadcast live to fans online to provide a direct insight into the "record-making" process. They later released the demo version of the track "Mona Lisa (When the World Come Down)" and "Sierra's Song" as free downloads, the latter of which never featured on the album and appears on the soundtrack to the American television show
90210. In April 2008, the band appeared at the
Bamboozle Left festival. In June, the band performed on the 2008 edition of
Warped Tour. On June 30, 2008, the band announced that their next album would be released in three months' time. In August and September, the band embarked on a Canadian tour with
Simple Plan and
Faber Drive. On September 18, the day that recording for the album was completed, the album's release was changed from mid-September to November 18. It was released as the album's lead single on September 30. On October 11, it was announced that the album's release date had again been pushed back, this time to mid-December. In October and November 2008, the band went on a US tour, which included an appearance on ''
Late Night with Conan O'Brien''. A music video for "Gives You Hell" followed on November 6, 2008, with an alternative version premiering in January 2009. "Mona Lisa" was released November 18, 2008 along with its music video as a promotional single prior to the album's release.
When the World Comes Down was made available for streaming through Myspace on December 15, 2008, before being released a day later. Upon
When the World Comes Down's release, ten percent of profits made from the album's sales were donated to the charity
Feed the Children. In April and May 2009, the band went on the I Wanna Rock tour in the US with
Ace Enders and A Million Different People.
Shiny Toy Guns,
Vedera and
the Upwelling each appeared on select dates. "
The Wind Blows" was released as the album's second single on April 21 and was swiftly followed by the release of its music video on April 27, an alternative version was published the following October. A music video was released for "I Wanna" on June 2, 2009. Six days later, "I Wanna" was released as its third and final single. Throughout the month, the band performed a few shows in Europe with
Sparks the Rescue. A second music video was released for "I Wanna" on October 14, 2009. For the rest of the month, the band went on a European tour with
American Steel. "Real World" was later released as a second promotional single on July 8, 2009. In November and December, the band co-headlined a US tour with
Taking Back Sunday, with support from
Anberlin. In June and July 2010, the band performed on
Warped Tour. ==Reception==