just did some research, the reason why is because the dev team actually has a patreon in which they make multiple small games throughout the year for their backers, it's a skeleton crew of a few guys so hence why the short time span.
yeah but its kinda simplistic so more of it would make u bored... so i would say.. go for it!! ..im also sucker for thiskinda "pseudo-psx" aesthics heh, imo pixel art, low-poly and this kind are the only ones that will not ever look "dated" or like "bad"