we're currently playing D&D Next using the Basic rules and covnerted Pathfinder monsters covnerted based on the Playtest monster stats.
Next session my players (Monk, Ninja (Pathfinder converted class), Druid and Cleric) will win tickets for a resort island with a circus and an amusement park; however, there are legends that some people can cross a portal to another reality of the amusement park/circus... however no one knows when they've crossed the boundaries until it's too late.
The thing is, they're going into a hellish version of the rides and attractions, based on some Horrorclix figurines I found laying arround. Like, Hungry Bertha, a woman that will eat ANYTHING, or a ghost tiger tamed by a succubus, a ghost girl on a carrousel that fights to steal the souls of her prey with her demonic toy horse and the lights and sounds, a giant boa constrictor, etc.
The thing is, they must attain "Hapyness Tickets" by surviving the rised or defeating the bosses, and that's the only way to get out... that or defeating the mastermind, a demonic sort of meatball made of many corpses.
So, how can I make an adventure entirely consisting of battling strong monsters something fun and not that slumber-inducing combat?