Considering I already paid for them, I don't think it's asking too much. [hehe]
People who got Horizons are certainly getting their money's worth here with Beyond Horizons, I think. Hopefully Steam sales and reviews can reflect that accordingly now for once... I'm not holding my breath with that fickle lot though.
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More on your point though, "Beyond" seems more about fleshing out and enhancing the game than adding new features, which I'm perfectly fine with, provided Frontier of course actually intend to add new features further down, beyond Beyond Horizons, such as flying in atmospheric worlds and landing on them, space legs, and so on.
I'm really liking this target art goal for in game assets by Q4 '18. ↓
I don't think they would have shown something like that and mentioned it the way that they did if it wasn't something they're actually striving for.
Yeah that ice planet is stunning. If they can get even close to that using procedural gen and not hand crafted it will be fab. A tough goal tho