SimpleRockets is a game about making simple rockets. Or complicated rockets if you want. And right now the Bronze Award-winning builder is free on the App Store.
The game is all about creating little spaceships, bashing them together from the fuel tanks, nose cones, and wheels that you've got to play around with.
At review we said "SimpleRockets will get you up into space with zero fuss - your enjoyment then relies on the amount of creativity you are willing to put into the experience."
If you've got creativity to spare, but no cash to splash, you should head on over to the App Store right now where you can bag SimpleRockets for nowt.