https://www.greenmangaming.com/games/exodus-from-the-earth/

1.20$ USD and 1.60$ CAD

P.S. When I tried to get it from CDKeys said it was out of stock. I went to look for other options and found this.

@robloxboi you need to click leaderboard on the left side to load it, for some reason it does not load right away.