Suggested Gameplay Mechanics: Planetary Exploration

http://www.html5gamedevelopment.com/html5-engines/2012-08-colbalt-calibur-3-open-source-canvas+node-mmo http://www.html5gamedevelopment.com/html5-engines/rpgjs-game-builder

Something like this would be neat; exploration could be upgradeable with the addition of ground sonar (to detect underground deposits), drones (to improve exploration radius), and vehicles (to improve movement speed).