Actually thinking about it, does TITS have more uhh mostly or completely finished characters compared to COC? i don't like COC and I barely got past over first area so idc.
A good question that deserves a good answer.
But on a serious note I have no idea how "completed" these games actually are as the only way to know that would be if the team had a public road map or stated how many main areas were planned. I can't be assed to find any sort of road map if it exists and would not trust any statements from them on how many areas/hubs/planets would be in the final product.
Most likely it will be like CoC 1, while yes its finished but you can tell there are multiple areas and ides of the game where things feel unfinished, rushed, or just no assed in terms of finishing it.