I am a bit torn between love and hate with this game.
For a perfectionist like i am, its a bit of a nightmare, because some of the levels are really tricky and hard to master (to get all the gold coins you can collect).
The good thing is, you dont have to do that if you dont want it =)
You can also try to get the best time, on online leaderboards too, so there is a time factor in the game, but it can be also ignored if you dont care about that.
The game works flawlessy on my machine. The visuals are pretty and fitting altough not groundbreaking, i really like the different ship designs and effects you can unlock. Also there are sometimes different paths you can take to get to different alternative levels.
The controls took me a little while to get used to them, but when you do, its fine.
For the asking price this is a fair deal, you get plenty of playtime for the money.
Overall i think you might like this game if you enjoy a challenge, because it is really challenging later on =)