It's a free game. Who really cares? Also, have you ever used HN before? Every single Show HN is basically what this post is and those are a mix of free product

It's a free game. Who really cares? Also, have you ever used HN before? Every single Show HN is basically what this post is and those are a mix of free products, bootstrapped startups, cool tech demos etc. so it's not like this is any different or somehow advertising when those aren't.