Or we can be upset that some devs never put their games on sale when tons of others do. I don't care if it's considered "the best game ever made" by gamers who are already fans of factory-type games, that argument doesn't hold any water for someone who's a fan of other genres like RPGs or shooters.

Also, their "reasoning" that it's unfair to people who paid full price is bullshit and you know it. Tainted Grail had its full release last month, along with a price increase, but the game had gone on sale multiple times between the EA and full releases. Abiotic Factor is doing the exact same thing, and also had sales in between the EA release and full game. There's no real reason that it shouldn't go on sale at least once a year or something. If you miss a sale, that's on you.

I'm sorry, I didn't see Undertale anywhere on the box art.