PlayUp Alpha ver. 0.9.7 is now available.  
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PlayUp Alpha ver. 0.9.7
    This is the first release with support for CryENGINE 3, although I  must warn you that many models will not compile as the Resource Compiler  for CryENGINE 3 is more finicky than the one for CryENGINE 2. Fixing  this bug is on the top of my to-do list, but in the meantime if you find  that some of your models aren't compiling, a temporary workaround would  be to export to CryENGINE 2 and copy the CGF file from your CryENGINE 2  level directory to your CryENGINE 3 one. 
This build also features a CryENGINE 2 level exporter, as well as  the ability to map the SketchUp coordinates 0,0,0 to a coordinate in  CryENGINE (CryENGINE puts 0,0,0 in the corner of the world, so this  allows you to specify a more convenient location to import your levels).  
   PLEASE NOTE:
 Level export does not yet work for CryENGINE 3.  In the meantime, you can try it out in CryENGINE 2. The level exporter  will merge any nested components/groups into the meshes for the TOP  LEVEL components/groups, so you will need to be sure that the top level  components/groups do not contain too many faces/vertices as there is a  size limit for meshes in CryENGINE.