Want to purchase the game and run it yourself? You can find it here!

IOS: https://apps.apple.com/us/app/simplerockets/id663068211

Android: https://play.google.com/store/apps/details?id=com.jundroo.simplerockets&hl=en_US&gl=US

Steam: https://store.steampowered.com/app/343090/SimpleRockets/

The game says it can be found on pc, android, mac, and linux, although I can't find a version for the PC. Do you have a link to it by chance?