3 different CDs.
CD image (36 Mb), 4shared
Zool - Ninja of the "Nth" Dimension [BIN/CUE] [36 Mb]
CD image (29 Mb), 4shared
Zool 2 [CLONECD] [29 Mb]
CD image (27 Mb), 4shared
Zool & Zool 2 [MDF/MDS] [27 Mb]
First two are made from original CDs; the compilation source is unknown.