Look it's basically mobile device game ported for PC. If mobile ports bother you, it is probably not a game for you right of the bat. Cosmonautica has casual and slow gameplay, rather typical for mobile games.
If you take this as relaxing casual game you might have fun, just don't go in expecting complex challenging gameplay, space sim or management as Cosmonautica has neither of that. The systems it has in place are entertaining - for a while, but they just don't lead to anything more complex.
For example you need to research more advanced facilities for your ship and upgrades for them. You do it by assigning your scientists to research certain elements. Some research require more than one element to unlock and elements have different tiers (4 or 5 iirc), where higher ones require more time to research. Seems like pretty complex research tree, right? Well until you realise you (clearly) just should research all tier I elements, than tier II, III and so on. That way you get reasonably fast stream of unlocks and upgrades going while your scientists level up to research higher tiers faster. So in reality you have clearly linear progression which is masquerading as complex tree . And so on with other game mechanics (your crew 'management' basically boils down to assigning their shifts and levelling them once in a while).
I can see Cosmonautica as ok CASUAL game on tablet to play during commuting to work (or playing at work instead you know.. work) but on PC I think it is sub-par. It's slow gameplay and lack of depth really putting it down in my eyes, although if you are looking for casual game like this and are not bothered by some mobile game-esque design features, you can easily add one star to my rating (and maybe another one for the absence of freemium crap). For me on PC it firm 2* .
P.S.: Imho it's really not fair to compare this game to likes of FTL as it's clearly not what the game is trying to do.
