Complex sentence: Following the acquisition of Lucasfilm by The Walt Disney Company in 2012, Disney closed down LucasArts as an internal developer on April 3,2013, and laid off most of its staff.
Split into simpler sentences: Following the acquisition of Lucasfilm by The Walt Disney Company in 2012. On April 3,2013, Disney shut down LucasArts as an internal developer, and laid off most of its staff.