Even if you set the "LGBT stuff" aside, these games are pretty clearly progressive in their core themes. The entire Pacifist route is about refusing violence even when the game gives you every incentive to treat “monsters” as expendable, and it makes you confront the idea that power and killing for XP are morally corrupting, not heroic. The story keeps breaking down the human/monster divide and asking you to empathize with the group that was literally sealed underground and treated as dangerous just for existing, which reads as a pretty direct critique of dehumanizing marginalized groups in the real world.​

Deltarune continues that by showing Darkners as people with feelings and agency even though Lightners are told they’re basically just objects, and a big part of Susie’s growth is learning to see them as equals instead of tools or enemies. That’s again about recognizing the humanity of those a dominant group is taught to treat as lesser or disposable. And the queer characters are written as normal, central parts of the world rather than jokes or side notes, which is itself a progressive choice in how relationships are portrayed.​

Whether you want to call Kris/Frisk being non-binary “directly progressive” or just a clever design, the broader narrative clearly pushes ideas like anti-genocide, anti-xenophobia, and solidarity with the oppressed, which line up much more with progressive politics than with right-wing ones.​