Pingus 0.7.0 is released, this is the first working version of Pingus that is based on SDL. New things in this release:
 switch from ClanLib to SDL
 new anti-aliased fonts
 better support for resolutions larger then 800x600 (see —geometry WxH option)
 s-expression based file format (converter scripts are available)
 PPC and 64bit support
 language support for Czech, German, Finish, Italian, Norwegian, Serbian, Turkish, Danish, Dutch, Spanish, French and Polish
 level editor temporarly removed
 a little less fps than the ClanLib version
 no new levels or other main features

(en) Official Pingus website