Yeah, Riumu does awesome work! Riumu is one person, in his spare time he operates the doujin circle
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where he's the artist, writer, and scripter (coordinates sprites/BGs/music with text). He uses a free engine and free music assets. A new game comes out on DLsite every 2-3 years, the content determined purely by what inspires him, and they're all good. Unfortunately, I have no idea how long it'll take before another Msize game is translated. In the meantime, I recommend the next best thing,
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which is a translation of a short story by Riumu.