Any Suikdoen-related game, even a spiritual successor in which I spent more than a full price :)

Any future Golden Sun game.

Outer Wilds and most likely any game Mobius Digital releases in the future. I even bought its OST in Steam but it was mp3 and bought it again from bandcamp :)

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Any other games, I wait for around 2+ years when they have the definitive/complete/ultimate edition and a lot cheaper.