Release Notes: The sounds were updated to replace non-free sounds. Joystick support was added. scale2x, scale3x, and scale4x effects were added. The order text was changed to support both plain text and keystrokes file. The source code files were renamed. the code was considerably cleaned up and rewritten. Comments and variables were translated to the English language. All C++ code was removed and the remaining code was made to conform with C99. The license was changed to the GPLv3. Resources files were renamed. Volume control was added. GP2X and PSP patches were merged. The high-score file format was changed.
Release Notes: automake and autoconf are now used for the build process. The SDL library is now used instead of using direct calls to XFree routines. A full-screen mode was implemented.
Release Notes: This release adds a rewrite of the major part of the assembly code in C, a port to Linux PowerPC (and a fix for big endian problems), switching of SEAL routines to SDL_mixer (music and sounds), and fixes for bugs in loading PCX files and closing the game's window (with the close widget).