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

Undertale: I beat sans. Spiral Notebook for Sale by Bingdom

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

Can I beat Sans Undertale and still get a refund?

Undertale Guide: How to Beat Sans Without any damage!!!

Undertale Genocide run explained: How to play the game in the most

I cannot beat sans and it's starting to make me upset enough to

What are the requirements to fight sans in Undertale?

Return of the Sans and Chara Friendship AU (art by me) : r/Undertale

spoilers!)If you end your genocide run after being dunked by sans

Greeting Card

Undertale: I beat sans. | Greeting Card

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

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

Endings - Undertale Guide - IGN