View source for 21 May

<noinclude>{{Calendar|May}}</noinclude>

*'''2010''' – Customer Support update: [[Update:Big Ticket Prize Draw - May (Reminder)|Big Ticket Prize Draw - May (Reminder)]]
*'''2009''' – Website update: [[Update:Development Diary: Run Energy - Part 2|Development Diary: Run Energy - Part 2]]
*'''2009''' – Developers' Blog update: [[Update:Blog - Run Energy: Test'n Musicians|Run Energy: Test'n Musicians]]
*'''2009''' – Game update: [[Update:Guaranteed-Content Poll: Name a Pub Results|Guaranteed-Content Poll: Name a Pub Results]]
*'''2008''' – Game update: [[Update:Quick Chat|Quick Chat]]
*'''2008''' – Game update: [[Update:Level-up Messages|Level-up Messages]]
*'''2004''' – Customer support update: [[Update:UK SMS Telebilling Change|UK SMS Telebilling Change]]

<noinclude>{{Timeline}}</noinclude>