Recent installation of Marine Aquarium 3.3 running under Crossover Linux onan HTPC driving an LG OLED 4K TV was successful. This PC uses a Ryzen 71800X CPU, Asus Crosshair VI Hero motherboard, and Asus nVidia 1080 Ti OCGPU among other parts. Base Linux is Mint 18.1 MATE 64-bit. This system configuration turns out to be overkill for the purpose of displaying MarineAquarium at 4K and 60 Hz, although more intensive rendering tasks, such as Unigine's "Superposition" or "Valley" require this level of computational power.
Tip: During the Windows aspect of the Marine Aquarium installation process under Crossover, do not check the boxes to make Marine Aquarium a screensaver or the default screensaver, In screensaver mode the window in window view is unmovable and unresizable. Without declaring the installation to be a screensaver, the window in window view is movable and resizable, and the full screen view still acts as if it were a screensaver, dominating the actual Mint screensaver when it tries to run. This allows the aquarium to remain displayed for several hours, at least. Unlike anormal screensaver, however, Marine Aquarium has to be deliberatelylaunched.
Don't forget the installation process step 2.2 to add " /s" to the runcommand.