Well, it's far from a finished product, since I didn't have time to do sound, music and nice graphics. But it's at least playable, and I have to sleep. So please try it out at https://gateway.ipfs.io/ipfs/QmYPgDCQiH2Q4JJiF7QH5e9kCJhw2Uep53pvZ8GeHEB8Pw . I have a few ideas for various game modes and difficulties, we'll see if I can get to these in good time.