Keep it simple

Games such as "Go" and "Tetris" prove that a game idea can be successful with relatively few rules. On the other end of the spectrum, some games get bogged down in an avalanche of rules that hinder adoption and eventually kill gameplay. Do you want to read a 50-page booklet and watch an hour-long training video before you can survive even a day in this brave new world? Nah, you want to jump right in and explore!

If your game mechanics need a lot of explanation, try to smooth a steep learning curve by providing players with an interactive in-game tutorial. Optimally, the in-game tutorial is a simplified version of playing the game itself. Design levels so that they expose players slowly to new examples of the game mechanics, one rule ...

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