Early games: We gotta come up with the most efficient ways to do everything. Only the simplest sprites. Only a couple colors in any given square.Yeah the "inefficiency" of modern games is crazy. Nowadays artists and programmers can be separate people!
Large RPGs = 4 MB of data.
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Now:
We're going to make incredibly detailed models with features no one will even notice.
Large RPG = 100GB
I love the youtube channel boundary break. Lots of games have very fun ways of doing things behind the scenes.