HackIt! is a strategic game where your goal is to control as many Web sites as you can by hacking them. It is played on an infinite map (the whole Web) where hackers struggle for the control of the Internet. The game involves scanning sites to know who they belong to, hacking your friends' favorite pages, or tracking them to kick them out of the net.
simproject is a suite of tools for project management. It includes an integrated change control system, a work authorization system, and more to help project managers keep the project objectives by maintaining the project constraints such as scope, time, and cost. It also includes an educational game as a tutorial for beginners on project management in order to give an understanding of what it can involve in scenario case studies.
Selador is a browser-based fantasy game. The game was commercial at first, but has since been released as open source by its developers. The game focuses on teamplay and communication between players. Although it is played in real-time, strategy and planning are paramount. It comes with a nice set of graphics and a pre-populated database. It can be installed on any *AMP stack.