Complex sentence: Digital Illusions was going to develop the game but it was busy with Shrek Extra Large.The game focuses on Shrek searching for food and drinks and other items that is intended for the picnic before Princess Fiona arrives.
Split into simpler sentences: Digital Illusions was going to develop the game but it was busy with Shrek Extra Large. IThe game focuses on Shrek searching for food and drinks for a picnic before Princess Fiona arrives.