Lost in space.
For as long as I can remember, my greatest fear has been some variant of death by suffocation: drowning, being trapped in a burning building or just about everything relating to space and space travel. To me, it's the most horrific way to go. That's a bit odd, considering how much I loved space as a kid; I grew up with Star Trek, Stargate and Star Wars. Even as an adult I regularly fantasise about being an explorer of the cosmos... before the crippling fear of asphyxiation kicks in.
Price and availability
Windows, Mac and Linux on Steam: £5.99