Games like Karen: An Outrage Simulator
Games like Karen: An Outrage Simulator include The Henry Stickmin Collection, Undertale, Dispatch, Sovereign Tower, and Tales from the Borderlands. We matched them by the tags players give Karen: An Outrage Simulator on Steam (Choose Your Own Adventure, Memes, Comedy, Diplomacy, and Dialogue Heavy): closest matches first, and among equally close ones the better-known games.

The Henry Stickmin Collection
Shared: Choose Your Own Adventure · Memes · Comedy

Undertale
Shared: Story Rich · Funny · Comedy

Dispatch
Shared: Choose Your Own Adventure · Comedy · Story Rich

Sovereign Tower
Shared: Choose Your Own Adventure · Visual Novel · Dialogue Heavy

Tales from the Borderlands
Shared: Comedy · Choose Your Own Adventure · Story Rich

Fever Meme
Shared: Memes · Comedy · Funny

The Test
Shared: Choose Your Own Adventure · Story Rich · Simulation

Monster Prom 3: Monster Roadtrip
Shared: Comedy · Visual Novel · Choose Your Own Adventure

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

Hooked on You: A Dead by Daylight Dating Sim™
Shared: Choose Your Own Adventure · Visual Novel · Comedy

South Park™: The Fractured But Whole™
Shared: Comedy · Memes · Funny

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

Goat Simulator
Shared: Comedy · Funny · Memes

Class of '09: The Flip Side
Shared: Comedy · Choose Your Own Adventure · Visual Novel

DELTARUNE
Shared: Funny · Story Rich · Comedy

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

Monster Prom 4: Monster Con
Shared: Comedy · Visual Novel · Funny

Monster Prom
Shared: Comedy · Visual Novel · Funny

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

Suzerain
Shared: Choose Your Own Adventure · Visual Novel · Choices Matter

There Is No Game: Wrong Dimension
Shared: Comedy · Funny · Indie

WHAT THE GOLF?
Shared: Memes · Comedy · Funny

The Test: Hypothesis Rising
Shared: Choose Your Own Adventure · Visual Novel · Choices Matter

The Stanley Parable
Shared: Comedy · Funny · Indie