NjAM

• Single and multiplayer mode (local or via network)
• Duel mode (players compete against each other to get more points)
• Cooperative mode (players try to finish as many levels as they can)
• Great music and sound effects
• Ported to many operating systems including Windows and Linux
• Customizable level skins
• Many different levels
• Integrated level editor to add your own levels
  
• Open Source (GPL Licence)

More screenshots here

Source code	Slackware Linux package

The latest source code is always available via our SVN repository

• Game rules, controls, tips how to play and command-line options
• Adding custom level skins
• Njam history, trivial facts and tips for newbies
• Create new skins for levels (all you need is some graphics editor and talent ;)

• Milan Babuskov wrote most of the Njam source code and managed this project until 2007. You can find his closed-source sequel to this game at the Njam 2 page. Hopefully that one will also go GPL one day.
  
• George Matic contributed nice 3D game over screens.
• Dario Dulic contributed the animated graphics for the Pac Man. You reach him via his polovni automobili website as he changes e-mail address often.
• To learn more about the original Pac Man, visit the Wikipedia page.
  
• Claus Windeler, Jolan Luff, Richard June and Jaap Duursma ported the game to different operating systems
  
• Martin Willemoes Hansen added the make install option
• Special thanx to SDL developers for making such great library