Games like Vampys Big Day
Games like Vampys Big Day include Undertale, OneShot, Outcore: Desktop Adventure, Untitled Goose Game, and Turnip Boy Commits Tax Evasion. We matched them by the tags players give Vampys Big Day on Steam (Cute, Choices Matter, Story Rich, Funny, and Multiple Endings): closest matches first, and among equally close ones the better-known games.

Undertale
Shared: Choices Matter · Story Rich · Multiple Endings

OneShot
Shared: Story Rich · Cute · Choices Matter

Outcore: Desktop Adventure
Shared: Story Rich · Cute · Choices Matter

Untitled Goose Game
Shared: Funny · Cute · Villain Protagonist

Turnip Boy Commits Tax Evasion
Shared: Cute · Funny · Story Rich

Detroit: Become Human
Shared: Choices Matter · Story Rich · Multiple Endings

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

Otaku's Adventure
Shared: Funny · Multiple Endings · Story Rich

The Henry Stickmin Collection
Shared: Funny · Multiple Endings · Choices Matter

Dispatch
Shared: Choices Matter · Story Rich · Comedy

Slime Rancher
Shared: Cute · Funny · Exploration

DELTARUNE
Shared: Story Rich · Funny · Comedy

The Stanley Parable
Shared: Funny · Comedy · Multiple Endings

LoveChoice
Shared: Choices Matter · Story Rich · Cute

Tales from the Borderlands
Shared: Story Rich · Choices Matter · Comedy

Bugsnax
Shared: Story Rich · Cute · Comedy

West of Loathing
Shared: Funny · Story Rich · Comedy

There Is No Game: Wrong Dimension
Shared: Funny · Story Rich · Puzzle

Volcano Princess
Shared: Choices Matter · Multiple Endings · Cute

Fever Meme
Shared: Funny · Choices Matter · Multiple Endings

The Witcher 2: Assassins of Kings Enhanced Edition
Shared: Story Rich · Choices Matter · Multiple Endings

Disco Elysium - The Final Cut
Shared: Choices Matter · Story Rich · RPG

Carto
Shared: Cute · Story Rich · Puzzle

Ghost of a Tale
Shared: Cute · Stealth · Adventure