IMDB tags for Battle Royale II:

• Returning Character Killed Off
• Shot In The Forehead
• Mine Field
• Tunnel
• Rocket Launcher
• Dead Child
• Bloody Violence
• EMP
• Missile
• Candle
• Revenge
• Helicopter
• Stabbed In The Chest
• Shot To Death
• Ammunition
• Crushed To Death
• Explosion
• Exploding Body
• Beach
• Pistol
• Cigarette
• Shot In The Shoulder
• Teen
• Suicide
• Impalement
• Blood Splatter
• Parachute
• Loss Of Loved One
• Torch
• Head Blown Off
• Blood
• Child Uses Gun
• Gore
• Grenade
• Dying Words
• Extreme Violence
• Japan
• Grenade Launcher
• Death
• Loss Of Friend
• Shot In The Head
• Shot In The Chest
• Christmas
• Foot Blown Off
• Pyre
• Bloody Body Of Child
• Friendship
• Child In Peril
• Afghanistan
• Shot In The Arm
• Severed Leg
• Self Sacrifice
• Knife Throwing
• Sequel
• Teenkill
• Terrorist Group
• Island
• Murder
• Violence
• Terrorist
• Unrequited Love
• Tragedy
• Megalomanical
• Dark Heroine
• Megalomania
• Dystopian
• Diabolical
• Tragic Villain
• Illuminati
• Death Of Child

wow. That list is probably better than watching the movie. Or at least the weird 9/11 references in there...