I don't know the official checksums, but my own downloads do have these:
md5sum
d5a820939de837aee4667cf2fda2f4ec setup_operencia_the_stolen_sun_1.3.0-gog_(64bit)_(37068)-1.bin
113adae10947bbd24cb5adc7e02e2d84 setup_operencia_the_stolen_sun_1.3.0-gog_(64bit)_(37068)-2.bin
a8e95d0f2af331a26716c6495a5f8365 setup_operencia_the_stolen_sun_1.3.0-gog_(64bit)_(37068)-3.bin
a115dc78724888f0c6ed90cf92d6a011 setup_operencia_the_stolen_sun_1.3.0-gog_(64bit)_(37068).exe
sha256sum
e23162993f107e75bbbc38c29eedb2dcf2b168fc0204e288d6eeb3f2059d9d30
setup_operencia_the_stolen_sun_1.3.0-gog_(64bit)_(37068)-1.bin
580e5a93bdad0c41c6ee43ebd092001248114497b89bc3c86f81c4856bcda821
setup_operencia_the_stolen_sun_1.3.0-gog_(64bit)_(37068)-2.bin
bb0586c41d618be919117170f5834cc916a6b37b0958579a3b4667abc1b99ce1
setup_operencia_the_stolen_sun_1.3.0-gog_(64bit)_(37068)-3.bin
50bef1f8627ee226a5008e520e5d3697fa79a90419219a3d19056a5cd396ade4
setup_operencia_the_stolen_sun_1.3.0-gog_(64bit)_(37068).exe
Post edited April 04, 2021 by V4V