This is MorphOS port of Rocks 'n' Diamonds. It features:

 - network multiplayer games upto 4 players (not tested on MorphOS)
 - local multiplayer games upto 4 players
 - soft scrolling with 50 frames per second
 - freely customizable keyboard and joystick support
 - stereo sound effects and music
 - music modules and fullscreen
 - contains levels to play Boulder Dash, Emerald Mine and Sokoban
 - lots of additional levels available (over 10.000)
 - distributed with full source code under the GNU General Public License

 http://www.artsoft.org/