Instructions: How well are the instructions communicated? Can they be understood easily the first time?
Skill Play: Can a player increase their skill level each time? Can luck override skill?
Gameplay: Is it fun? This can be subjective, but would a player have a reason to play again?
Aesthetics: Do the materials for your game look good? Are they easy to manipulate?
Demo: Does the demo go smoothly? Does it showcase your game and all of its features?