Complex sentence: Later that year, they published their first game together-a budgetware title called Ski Crazed, and in 1989, Rubin and Gavin sold their first game to Electronic Arts, an RPG called Keef the Thief.
Split into simpler sentences: Later that year, they published their first game together-a budgetware title called Ski Crazed. In 1989, Rubin and Gavin sold their first game to Electronic Arts: an RPG called Keef the Thief.