Let me start by saying this game is amazing in many ways and the attention to details show. But it is also lacking in many others and for that reason, as it is now I wouldn't recommend it but also wouldn't not recommend it.
My main gripes with the game is the lack of clarity with the players goals. By exploring the ship and collecting the many books the player figure out the main goal, leave the ship. The problem arises from the smaller steps required to do so, for example (SPOILER AHEAD: after restoring the power I didn't found anything telling what I need to do to place the transformers back online.)
Another problem I had was with the clearance system, after getting the captain ID I got a message saying that I couldn't used because it would reduce my clearence however I still couldn't enter any of the pods because my clearence was't high enough. I guess that was a bug, because surely I should have, otherwise if not even the captain could use the pods who could leave the ship then?
These were my main gripes with the game. I still had plenty of fun exploring the ship and seeing the multiple rooms the crew had. As others have mentioned the models and the textures were very well done. As for me, I didn't experience any type of lag despite using a computer from 2014, so I guess the code was also very slick, which is always a plus.
The secret story of spacetravel has a lot of potential and hopefully in the future that potential will be realized, I have fun exploring but unfortunately there isn't much else to do where I think it should have that is why my review is neutral.