final boss tip: horizontal slash while he's running towards you followed by an upwards vertical slash underneath him when he appears in the air. It worked for me.
No actual tutorials (2.0 and 3.0 are almost identical on the user's side). I do have many, many "Demo-" games in the StencylForge that are fully commented if you want to see some other concepts (it's much faster to do those than to do a tutorial series).
 "Zenge: Starborn"){kind=icon}
 "Berzerk Ball 2"){kind=icon}
 "MARDEK RPG: Chapter 2"){kind=icon}
 "Crayon Poke"){kind=icon}
 "Mu Complex : Episode Two"){kind=icon}
 "Epic Boss Fighter 2"){kind=icon}
 "Slimey's Quest"){kind=icon}
 "Game Corp"){kind=icon}
 "Cave Escaper"){kind=icon}
 "Depict1"){kind=icon}
 "Straw Hat Samurai"){kind=icon}
 "Beard Guy Goes Surfing"){kind=icon}
 "Pretentious Game 2"){kind=icon}
 "Stencyl 2.0 Tutorial 1: Basics"){kind=icon}
 "Once Upon A Life"){kind=icon}
 "The Last Door - Chapter 3: The Four Witnesses"){kind=icon}
 "Flappy Bird Flash"){kind=icon}
 "The Great Bazooki"){kind=icon}
 "Thing-Thing Arena Classic"){kind=icon}
 "Portal: The Flash Version"){kind=icon}
No actual tutorials (2.0 and 3.0 are almost identical on the user's side). I do have many, many "Demo-" games in the StencylForge that are fully commented if you want to see some other concepts (it's much faster to do those than to do a tutorial series).