It's completely free and was made in 72 hours for the indies vs gamers game jam, he would seriously appreciate if he won (Markiplier, Jacksepticeye, and Pewdiepie would all play his game!!!) http://jams.gamejolt.io/indiesvsgamers/games/for-the-safety-of-the-earth/81053 If you like it be sure to vote for it in the game jam, leave a good rating, and leave a nice comment!
Thanks,
Unstoppable_Sign