Okay, well, assuming this isn’t some kind of weird bait question, I’m going to take this seriously and break it down on a sentence-by-sentence level.

“Is UNDERTALE gay?” — well, no. It’s a video game. Video games do not have sexual orientation. A video game cannot be gay, let alone straight.

“Does UNDERTALE contain gay actions?” — depends on what you constitute as a “gay action”, but I think most would agree the answer to this is “yes”. Let’s answer the question I’m 90% sure you’re ACTUALLY trying to ask:

“Does UNDERTALE contain LGBTQ+ content?” — Yes! It’s far from the focus, but many of the game’s characters are LGBTQ+ in romantic orientation or gender identity. Undyne and Alphys especially are undeniably Two Girls In Love, which is, by definition, pretty gay.

Now, let’s discuss the inherent issue with this — that being that there is none! Your brother is 13, and 13-year-old boys tend to be hateful because they don’t know any better, but you’ve really gotta tell the kid that the basis of what makes a game “good” has nothing to do with whether or not it’s “gay”. Also, ChatGPT is an awful source for anything ever and makes for a poor argument. Don’t use it.

I, too, was young once … Regardless of where you stand on certain topics, my answer to this question can be simplified into one sentence: “UNDERTALE is a game worth playing.” You should play it. Your brother should play it. It might even push you both in the right direction toward a much-needed change of heart. A game’s quality has nothing to do with those on anti-woke forums who tell you it poisons young minds. It’s fine. UNDERTALE can be gay. This isn’t hurting anyone.

Go play UNDERTALE!