The MakerGame Halloween 2010 Edition. The basic idea is that you can print your own game pieces, tokens, and use the currency of your choice as rewards (3d printed coins/tokens, Halloween candy, or shot glasses of your favorite beverage). This is still very much a work in progress.

I've scaled several Thingiverse models that have a Halloween theme to fit the 30mm Infinite Tile Set so you can get an idea where this is going.

attribution for derivatives of individual model (and rules) as follows.
if you are the original creator for these models please feel free to add this version to your thingiverse page and I\'ll just link to it instead.

Witch Hat (or Wizard Hat) by nicholasclewis
http://www.thingiverse.com/thing:4432
Player Token - 1 Tile
Special Skill/Ability/Strengths - Magic/Spellcaster
Disadvantages - Low Muscle/Stamina

Jewelry Hand by makerbot
http://www.thingiverse.com/thing:1288
Player Token - 1 Tile
Special Skill/Ability/Strengths - Undead/Reanimation/Fast
Disadvantages - Small/Weak

Thing1 by Zomboe
http://www.thingiverse.com/thing:2958
Player Token - 1 Tile
Special Skill/Ability - ???
Disadvantages - ???

Ghost Toy by tc_fea
http://www.thingiverse.com/thing:4421
Player Token - 1 Tile
Special Skill/Ability/Strengths - Fright/Undead/Flying
Disadvantages - ???
Critter Token - 1 Tile
Special Skill/Ability/Strengths - Fright/Undead/Flying
Disadvantages - ???

Printable Critter by hoeken
http://www.thingiverse.com/thing:439
Critter Token - 1 Tile (Junior) 4 Tiles (Daddy)
Special Skill/Ability/Strengths - Sticky/Climbing/???
Disadvantages - ???

2 Color MakerBat Coin by wulfdesign
http://www.thingiverse.com/thing:4397
Critter Token - 1 Tile (already correctly sized)
Special Skill/Ability/Strengths - Flying/Attribute Drain/Undead
Disadvantages - SunBain/Silver/Holy Water

Zombie Game Piece by wulfdesign
http://www.thingiverse.com/thing:4479
Critter Token - 1/4 Tile (already correctly sized)
Special Skill/Ability/Strengths - Undead/Zombie Plague/???
Disadvantages - Slow/Stupid

Cathedral Game Piece by Jeremydeath
http://www.thingiverse.com/thing:3055
Building Token - 1 Tile (original is correctly sized)
Special Skill/Ability/Strengths - heal player/undead cannot enter
Disadvantages - ???

Pirate Ship by MakerBlock
http://www.thingiverse.com/thing:4138
Item/Equipment Token - 2 Tiles
Special Skill/Ability/Strengths - Cross Water Tile/ carry Load
Example: Charon's Boat to cross the river Styx.

Spider Plus Ring by builttospec
http://www.thingiverse.com/thing:1195
Critter Token - 1 tile (Baby) 4 tiles (Mother)
Special Skill/Ability/Strengths - Climb/Web/Poison/Stealth/Ambush
Disadvantages - ???

Dice Pack by MaskedRetriever
http://www.thingiverse.com/thing:372
(or search for things tagged wit Dice)
Resolution Dice

Incarna Role Playing Game System - Grim Badger LLC (Kelly Berger)
http://www.incarna.net
Player and Critter Skills, Traits, Ability and Reward system.

Print as many tiles to build a board of whatever size you desire (an ABP would work great for this) alternately you could draw your game board on a large piece of paper. I've also used playing cards effectively to represent tiles, items, equipment, and skills.

Print whatever game pieces you think you\'ll need weather it be monsters, player tokens, reward coins, Cards, etc.

you can Peruse Thingiverse for other game pieces. just scale them to fit inside a tile. larger critters can take up more than one tile and smaller critters can pack several in (like zombies or bats). or better yet create your own game token from scratch. for example you could 3d scan your face and use it as game token.

tiles can be different colors to represent different things, for instance to cross a blue tile you either need to have a boat, the swim skill, or ability to fly. also you could print whatever 2d texture/background onto labels and stick them onto your tiles.

I'm playing fast and loose with the Incarna Role Playing Game System http://www.incarna.net for combat/skill/magic resolution. updated rules to follow(or you can make up your own).