This was a simple game, but quite enjoyable! The combat felt pretty nice and the warmth/terrain mechanic was neat. I think that being sent to warm up a planet is a really interesting and creative premise. Is the player's goal to warm up large parts of the planet, getting fire powers that convert increasingly larger patches of land to grass? Do the slimes gain new attack patterns and forms to defeat the player's attempts? There are a huge number of ways you could go, and I'd love to see where you take the idea.