My Railroad: trains and rails

Level 25 is challenging. However after getting down to 5 trains on this level the game stops and gives the following message: “Game over. Unfortunately, you did not manage, but lay off you from the family business would be too harsh, shareholders will invest a little more money—try again.” This makes no sense. And it has happened 4 times. When I go to the hanger I’ve completed 3 trains and there are no new trains to invest in or build. And I have $4M in the bank. What gives???

Update review: So... I just updated the app and the quicker trains are a big improvement! Thank you! It's a bit like a puzzle and that what makes it so much fun. I like this game. With the changes I am bumping up my stars to five. Original review: It is fun and a challenge to get the trains to the correct stations and quite often they crash. Frustrating when a train nearly at the station and here come one out of the station. There is nothing to do but watch them crash. In this game crashing trains aren't an issue, just have to get the wreck cleaned up which can also be a challenge with the wrecker train being on the tracks. The reason I did not give the game more stars is because it is blatantly obvious that I need to watch ads or spend money to really enjoy the game. I understand that the developer needs to make money. Ease up on it a bit; else you may see in the data that people will simply stop playing because of this blatancy. I'm nearly there. Finally, what is repairing the train all about? I don't get it.

Game have a very good potential. Love the graphic, I think controls not yet there, but in general good game.