Great music & style
Music style is mix between modern (1994) dance-trance style and old school C64 chip tunes/technique.
Overall it sounds great, dynamic and there are no dull parts.
"cosmo1" tune is used in intro/main menu (on PC version at least) and is superb (if you hear *whole* tune)!
"cosmo2" tune (N/A in this package) is also awesome (although it 'gets in ear' too quickly) and too bad it is unavailable here for download. Emphasis in this tune is on C64 'feel'.
"cosmo3" tune is to admit it a little too repetitive and generally lacks dynamics compared to previous two, but is otherwise fine tune in this collection.
"cosmo4" tune is a faster variation of "cosmo2" with a different intro part and more overall percussion but is otherwise identical on melodic part (this one has less C64 'feel')
"cosmo5" tune (N/A in this package) is a progressive piece which follows dynamics of other tunes in this package, sounds appropriate at a later levels as a "goodbye tune" when you are near end of game.
Originally in PC version there are 5 tunes (cosmo1, cosmo2, cosmo3, cosmo4 and cosmo5)
Also, in PC version tunes are in MO3 format. (MO3 is is the evolution of module format in a way that samples can be in 16 bit MP3 format which leads to not only smaller module filesize (here about 9x) but also higher quality sound.)
By comparing sound of MO3 tunes from PC version (via Winamp plugin with all sound enhancement options turned off) to these plain modules it seems that MO3 tunes sound marginally crispier.