User blog comment:Lost Labyrinth/The Sims Social has been announced by EA at E3 2011/@comment-1972973-20110608204735/@comment-26744861-20110608211151

Flash couldn't have as much visual detail as something you'd buy from the shop due to the strain on internet connections. Having a game like TS3 on Flash would use up your speed rapidly. Whereas speeds are fast enough to stream TS1 quality graphics nowadays, EA have obviously gone in that direction.