Minimum Requirements For Your Game

I think at a minimum, a game should provide:

• Menu:
• logical structure
• Pause option:
• have some way for the player to pause
• Save and resume:
• have some way to resume a saved game
• User options: 
• sound / music adjustment
• controls adjustment (if applicable)
• Credits:
• developer info w/email
• link to website / other games

So what are your minimum requirements for a game?