Noah Witherspoon is pulling his free Tetris clone Tris from the App Store under pressure from The Tetris Company, who own the Tetris copyright. The official iPhone Tetris from EA costs $10 and takes 30 seconds to launch.
And the message SHOULD be, but won’t be, “don’t write someone else’s game, write YOUR game” — because if they don’t want you to publish it, you don’t have a whole lot of options.
And the universe is full of “tetris-inspired” games that aren’t having this problem. thinking through this problem ahead of time can save yourself amazing amounts of pain later, no?