Games like The Hayseed Knight
Games like The Hayseed Knight include Undertale, BAD END THEATER, The Life and Suffering of Sir Brante, The Witcher 3: Wild Hunt — Remastered, and Sovereign Tower. We matched them by the tags players give The Hayseed Knight on Steam (Visual Novel, Choose Your Own Adventure, Funny, Medieval, and RPG): closest matches first, and among equally close ones the better-known games.

Undertale
Shared: Funny · Story Rich · RPG

BAD END THEATER
Shared: Visual Novel · LGBTQ+ · Choose Your Own Adventure

The Life and Suffering of Sir Brante
Shared: Choose Your Own Adventure · Visual Novel · RPG

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Story Rich · Medieval

Sovereign Tower
Shared: Visual Novel · Choose Your Own Adventure · Medieval

Yes, Your Grace
Shared: Medieval · RPG · Choices Matter

The Test
Shared: Choose Your Own Adventure · Story Rich · Multiple Endings

Otaku's Adventure
Shared: Funny · Visual Novel · Multiple Endings

The Henry Stickmin Collection
Shared: Funny · Choose Your Own Adventure · Multiple Endings

Suzerain
Shared: Visual Novel · Choose Your Own Adventure · Story Rich

Volcano Princess
Shared: RPG · Multiple Endings · Visual Novel

I Wani Hug that Gator!
Shared: Visual Novel · Choose Your Own Adventure · Story Rich

LoveChoice
Shared: Visual Novel · Story Rich · Choices Matter

Dispatch
Shared: Story Rich · Choose Your Own Adventure · Choices Matter

Reigns
Shared: Medieval · Choose Your Own Adventure · Choices Matter

The Wolf Among Us
Shared: Choose Your Own Adventure · Visual Novel · Story Rich

Monster Prom 3: Monster Roadtrip
Shared: Visual Novel · LGBTQ+ · Funny

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choose Your Own Adventure · Story Rich

Kingdom Come: Deliverance
Shared: Medieval · RPG · Story Rich

The Life and Suffering of Sir Brante — Chapter 1&2
Shared: Choose Your Own Adventure · Visual Novel · Medieval

Monster Prom
Shared: Visual Novel · LGBTQ+ · Funny

The Test: Hypothesis Rising
Shared: Visual Novel · Choose Your Own Adventure · Multiple Endings

Far Away
Shared: Visual Novel · Choose Your Own Adventure · Story Rich

Life is Strange: True Colors
Shared: Choose Your Own Adventure · LGBTQ+ · Story Rich