`
`What is Claimed is:
`
`1.
`
`An augmented reality game system
`
`comprising:
`
`a head—mounted display operable to
`
`overlay virtual indicia onto a physical playfield;
`
`memory comprising video game logic
`
`operable to provide a video game;
`
`a processor for utilizing said video
`
`10
`
`15
`
`game logic to provide video game indicia to said head—
`
`mounted display based on said video game logic, wherein
`
`said processor is coupled to said memory and said head—
`
`mounted display;
`
`a detector for determining landscape
`
`characteristics of said physical playfield, wherein
`
`said video game logic utilizes said landscape
`
`characteristics in providing said video game; and
`
`a locating device operable to determine
`
`the physical location of said locating device on the
`
`physical playfield, wherein said video game logic
`
`utilizes the physical location of said locating device
`
`20
`
`in providing said video game.
`
`2.
`
`A locationébased game system comprising:
`
`memory comprising video game logic for
`
`providing a video game;
`
`a processor operable to utilize said
`
`video game logic to provide said video game;
`
`at least one manual control;
`
`a locating device operable to determine
`
`the physical location of said locating device on a
`
`physical playfield; and
`
`
`
`EVSZO766322‘US
`
`_ 49 _
`
`10
`
`a switch that determines whether said at
`
`least one manual control or said locating device
`
`determines the location of a video game Character in
`
`said video game.
`
`3.
`
`A location—based game system for
`
`providing a video game comprising:
`
`a handheld game device comprising:
`
`a locating device operable to
`
`determine a physical location for said locating device,
`
`wherein said physical location determines a virtual
`
`location for a virtual game character in a virtual
`
`playfield of said video game; and
`
`a playmat having indicia representative
`
`10
`
`of said virtual playfield comprising:
`
`is utilized by said video game;
`
`a length L, wherein said length L
`
`a width W, wherein said length W is
`
`utilized by said video game.
`
`
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