Claim: Inkvaders, developed and published by Chillingo, is a single-player alien invasion game released on September 28, 2009 for the iPhone OS, wherein a hand drawn hero has to protect Earth from Martians.
Evidence: Inkvaders is an alien invasion game for the iPhone. Chillingo Chillingo Single-player September 28, 2009 iPhone OS A hand drawn hero has to protect Earth from Martians.