Simulation and Modelling Games and Activities

Disaster Modelling
http://www.stopdisastersgame.org/en/home.html

Design your own Room
http://www.smallblueprinter.com/floorplan/floorplan.html

Coffee Shop

http://heptagrama.com/fun-coffeeshop.htm
http://www.asronlinegames.com/coffee-shop.html
http://www.kidsmathgamesonline.com/money/coffeeshop.html
http://www.coffeetycoons.com/
http://hoodamath.com/games/coffeeshopgame.php

Lemonade stand

I've scoured the earth to find good lemonade stand lessons and resources. Here are the best.
Downloadable version:
http://www.4webgames.com/lemonade/
Copies of the same game:
http://www.woodlands-junior.kent.sch.uk/Games/educational/maths/
http://www.coolmath-games.com/lemonade/
http://www.lemonadegame.com/
http://www.primarygames.com/socstudies/lemonade/index.htm
http://www.lemonadestandgame.com/

Simpler app version
http://www.widgetbox.com/widget/sim-lemonade-tycoon

Simpler addition game
http://www.prongo.com/lemon/game.html

Theme park games

Great physics simulator
http://puzzling.caret.cam.ac.uk/pregame.php?game=10


A bit of a cheat - not directly a learning game:
http://www.startgames.ws/game/rollercoaster_creator.html
http://www.games.co.uk/game/Rollercoaster-Creator.html

Simulations that use Maps
Shipping simulator
http://www.planetinaction.com/ships15/

Tom Scott Real world racer
http://www.tomscott.com/realworldracer/

Google Goggles
http://www.isoma.net/games/goggles.html

Web cams
http://www.webcams.travel/

The original (almost) Game of Life - explains population growth

Just stumbled on John Conway's Game of Life. Proposed in the 70's, this website models the principles
http://www.bitstorm.org/gameoflife/

And this one models fire in a forest, based on changing probabilities:
http://illuminations.nctm.org/ActivityDetail.aspx?ID=143

Play God - Build a planet

http://www.kidsastronomy.com/fun/make-a-planet.htm
http://archive.planet-science.com/planet10/solar_preload.html
Build a solar system - if only it were that easy!
http://www.exploratorium.edu/ronh/solar_system/