Local multiplayer game is also available. The graphics and sounds are fully configurable. Blocks are made of colored squares. The player may control the block as it falls, for instance rotate or translate it. When a given pattern is matched in the map, for instance, squares of the same color, then these squares explode and disappear.
Curses can be anything from bonus to maledictions.
This is achieved by creating scripts, using the Lua language. Its rules are much more general. So I decided to start a more general project, which name is U61. This means U61 is free software. Free as in speech.