Spark the electric jeter 3 is the culmination of both Spark 1 and 2's story, the gameplay leep of 3D in Spark 2 Fully realized and refined and overall a fantastic 3D platformer.
For those in the search for the old Sonic Adventure feel then Spark 3 is what you are looking for.
While abit short and challange may variey from player to player it certinly a fun ride all the same.
If you haven't played the previous Spark games it isn't nececcery to play them to first before this one, but if you did play them and found wanting more then get this game.