Can I beat Sans Undertale and still get a refund?

Is it possible to buy Undertale, play through the entire game and beat the hardest bosses, and still be able to refund the game on Steam?~~~Music - Undertale

How to Beat Sans: Followup

Greeting Card

Undertale: I beat sans. | Greeting Card

Undertale: I beat sans. Sticker for Sale by Bingdom

What Makes Undertale One of the Best Games Ever? - G2A News

Checkmate — I loved everything about Sans, but there's

Don't Kill Anyone in Undertale - True Pacifist Ending Guide - The

Irradicable!Sans, Giroverse Wiki

Sans vs Jevil, Death Battle Fanon Wiki

If you do a genocide run, beat Sans and then reset your game and

I beat Undertale Genocide without getting hit

Both may be a problem : r/Undertale