Man I HATE to be that kinda of guy, but the quality of the renders are so muuuuuuuuchhhhhhhhhhh better in Eternum that I think Once In a Lifetime deserve a remake.
PS: after Eternum ending of course
But at the same time:
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When it comes to movies, it is rare when a remake is actually as good as, much less better than, the original. Sometimes you have a timeless story that gets made into multiple movies from slightly different perspectives and each stand alone is great on its own merits (OK Coral story, 3 Musketeers), but more often you end up with something like the 2016 version of Ghost Busters... (Then again, anything with Melissa McCarthy is just awful...)
I'm not sure remaking OAIL would ever measure up - some of the images might be prettier, but then Cari might decide to change this little thing that bugged him, then that little thing, and pretty soon you have George Lucas putting prequel Anakin in to the final sequence of Return of the Jedi rather than "original" Anakin, or "New Coke": freakin' disasters!
Let the original live on as people remember and enjoyed it. If the world has to be revisited, do some form of sequel with the next generation maybe.
I guess I'm just in the "if it ain't broke, don't fix it" camp on most things like this.