Frozen Bubble is a free software Puzzle Bobble style computer game. There is a version programmed in Perl and another one programmed in Java. The Perl-version runs on POSIX-compatible operating systems, e.g. Linux and the BSDs, while the Java-version runs on any operating system that supports Java.The original Frozen Bubble was written in Perl by Guillaume Cottenceau, and uses the Simple DirectMedia Layer (SDL) library. The game features 100 levels and includes a level editor.