Transformers: Rise of the Dark Spark (Nintendo 3DS) It is time to fight for what you believe in Transformers Rise of the Dark Spark! Ally yourself with the Autobots or Decepticons by selecting one of more than 40 playable good and evil characters, including Optimus Prime, Bumblebee and Megatron, and then begin the search for the powerful, ancient relic known as the Dark Spark. Fight fast and furiously in single-player mode in large Earth and Cybertron universe battlefields or face off against family, friends and others in cooperative Escalation mode game play online with up to four real-world players! Run and shoot your enemies while in robot form, or switch rapidly to vehicle form and drive or fly while fighting! Discover new defenses and rewards designed to help you succeed!! In Transformers Rise of the Dark Spark, you help decide the fate of many!