and also the difficulty check for number of cubes in game are a limitation.
and for this difficulty check there is also a value for level 5 (impossible).
check found in trek.exe at: 0x4EA3B (default 10). tested it with vanilla (if value set to 1, no new cube spawns if a already exisiting cube assimilates a world, cause the limit is 1 and 1 cube is already in the game, tested it several times)
so i think SCT's assumption for no check on difficulty 5 wasn't right so far for this check.
so, there are two checks for the possible number of borg cubes in the game.Difficulty case switch 1-5 (5=impossible)
cmp number_of_cubes -> 1 / 2 / 4 / 8 / no check -> (jg ->exit no cube)
number_of_cube check and the difficulty check.