Element 2: Could be implied, but not specifically stated

Element 3:  Could be implied, but not specifically stated

Element 4: : Could be implied, but not specifically stated

Changes recommended:

Element 2: Give the specific parameters for the game, so that all groups are working on the same problem.

Element 3: Have finished products posted on a school-approved joint location so that outside groups could play the game

Element 4: Have the players of the game rate the games using a survey or other evaluative method to give feedback so the groups can improve. Post the finished product as a free application / link so that it accessible to the world.