[5] In April, he earned a place in the Austrian Darts Open in Vienna by defeating Stuart Kellett in the UK qualifier.

[6] He received a bye through the first round after Adrian Lewis pulled out of the event and then beat Peter Wright 6–3.

[10] Richardson qualified for his second World Championship by finishing 43rd on the 2012 ProTour Order of Merit,[11] claiming the 12th of 16 spots that were available for non-qualified players.

[13] Richardson failed to qualify for the 2013 UK Open as he finished 142nd on the Order of Merit, outside of the top 96 who claimed their places.

[19] Richardson reached the third round of the UK Open for the first time by seeing off Johnny Haines and Dean Stewart, but then lost 9–4 to Nathan Aspinall.

[21] On the second day of 2016 Q School, Richardson won back his tour card by beating six players in a row.

[22] A few days later he qualified for the first two European Tour events of the year and credited his resurgence in form to practicing with his son Joshua, who had recently won the BDO World Youth Championship.

[23] He lost 6–1 to Terry Jenkins in the second round of the Dutch Darts Masters, but at the German Darts Masters he eliminated Andrew Gilding 6–1, Jenkins 6–2 and Adrian Lewis 6–3 to reach the quarter-finals of a PDC event for the first time in nearly four years.

He made a great run in PDC World Darts Championship 2018, defeating Kim Huybrechts and Alan Norris.

Apart from UK Open he failed to qualify to any major events and was not doing well in PDPA Players Championships, which cost him a lot in PDC Order of Merit.

At the beginning of PDC World Darts Championship 2020 he was at the edge of top 64 and needed to win at least three rounds.