You were kidnapped by terrorists and brought to a castle far away from the civilization. They force you to construct a nuclear bomb for their next big attack so it's your job to escape the castle.
A foul demon has overtaken the island of Reverie and enslaved its villagers in a treacherous nightmare prison. An unsuspecting hero called from home must travel vast oceans and collect the legendary Lantern Of Nightmare fragments.
A vicious scientist has taken the city with the Machine he invented. The little legend Magic Tank has only one day to destroy all Machines and release all city residents from the vicious hand.
Humans are all dead and only zombies are alive who have now turned on each other for food. You're one of the zombie factions and must destroy others to survive now.