Are you struggling to find time to finish your game project? Is your main excuse "I don't have time" but after it you feel bad? Then this guide from John Ivess might help you.
Are you aiming for a multiplayer-only game? You might be in risk of releasing an empty world! Populate it with AIs while the players arrive. If you want to get a better understanding of AI, you might be interested in this AI Basics Guide from Adrian/Redefine Gamedev.