Complex sentence: Some of Sterling's features could be directly customized by the player, although "Armada of the Damned" was centered around a choice system that would affect the character's appearance, personality, weapons, attacks, quests, and story developments.
Split into simpler sentences: Some of Sterling's features could be directly customized by the player. Although, "Armada of the Damned" was centered around a choice system that would affect the character's appearance, personality, weapons, attacks, quests, and story developments.