On 28 May 2010, Corby's second EP, "My False", was issued by Communion. On 20 October, after recording with Ian Grimble (The Libertines, Seasick Steve) and released his third EP, "Transition to Colour". From late 2010 to early 2011, Corby played numerous live shows in London and in February, he performed at "South by Southwest (SXSW)" in Austin, Texas. He returned to Australia to play Secret Garden shows in fans' backyards throughout the country. In July, he supported UK band Elbow on their tour of Splendour sideshows. Corby's track "Made of Stone" was featured on an episode of "" in 2011 and on ABC's "Brothers and Sisters". "Lighthome" was in an episode of "Home and Away" in 2011, and "Song For..." in 2012 on the same TV series. Corby recorded a cover version of INXS's "By My Side" for the band's album, "Original Sin", as a bonus track for the iTunes edition. He was featured on a track on Julia Stone's debut solo album, "The Memory Machine," and on UK singer-songwriter Passenger's track "Golden Thread," from the 2010 album "Flight of the Crow". The EP also featured in "The Blacklist" starring James Spader. After a few months of writing, Corby spent September 2011 recording his fourth EP, "Into the Flame", with producer Tim Carr. The EP showcased a new direction for Corby, including soul-influenced, growling vocals along with a bluesy melody, in conjunction with Corby's signature folk style. The title song has been described as "lyrically raw and endearingly honest." The EP also features a duet with keyboardist Bree Tranter, previously a part of Australian band, The Middle East. The EP provided Corby's first entry on the ARIA Charts, where it reached No. 46 on the ARIA Top 50 Singles Chart on 4 December 2011. It subsequently peaked at No. 3. Upon its release, Corby posted a message on his website and Facebook page:  By December 2012, "Into the Flame" achieved 6× platinum certification by ARIA, making it Corby's most successful release to date. Corby supported the release of his EP and its single "Brother" with a national Into the Flame Tour. It included a mini Secret Garden Summer Tour around New South Wales.