Complex sentence: According to Louden, they were creating the animation for Ashmore's character, and did not have sufficient time to finalize them before the event, so they used their game prototype, which has Derry starring as the lead character, as the game's demo.
Split into simpler sentences: According to Louden, they were creating the animation for Ashmore's character, and did not have sufficient time to finalize them before the event. As a result, they used their game prototype, which has Derry starring as the lead character, as the game's demo.