I'm still astonished about the quantity of gritty detail Squad studios is continuously cramming into Kerbal Space Program
. What started as an experimental indie sim game has grown into something quite elaborate and involved, including many semi-realistic elements from human space programs into the surprisingly accurate technology of the adorable Kerbal aliens. The 0.22 update now lets you perform research with a number of experiment modules that you can build into the Kerbals' ships, which can then be transmitted back to mission control for practical applications and general technological improvement. Who says the space program never pays off?