Games like Royal Jest (Director's Cut)
Games like Royal Jest (Director's Cut) include South Park™: The Stick of Truth™, To the Moon, There Is No Game: Wrong Dimension, Finding Paradise, and Deponia. We matched them by the tags players give Royal Jest (Director's Cut) on Steam (Interactive Fiction, Dark Humor, Story Rich, 2D, and Comedy): closest matches first, and among equally close ones the better-known games.

South Park™: The Stick of Truth™
Shared: Dark Humor · Comedy · Adventure

To the Moon
Shared: Story Rich · Interactive Fiction · Adventure

There Is No Game: Wrong Dimension
Shared: Adventure · Comedy · Story Rich

Finding Paradise
Shared: Story Rich · 2D · Adventure

Deponia
Shared: Comedy · Adventure · Story Rich

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

CHUCHEL
Shared: Comedy · Funny · 2D

Impostor Factory
Shared: Story Rich · 2D · Adventure

Thank Goodness You're Here!
Shared: Comedy · Adventure · Funny

Undertale
Shared: Story Rich · Funny · 2D

Return to Monkey Island
Shared: Comedy · Adventure · Story Rich

Night in the Woods
Shared: Story Rich · Dark Humor · Adventure

Until Then
Shared: Interactive Fiction · Story Rich · 2D

DELTARUNE
Shared: Story Rich · Funny · 2D

Portal 2
Shared: Dark Humor · Story Rich · Funny

Florence
Shared: Story Rich · Adventure · Interactive Fiction

Broken Age
Shared: Story Rich · Comedy · Adventure

Before Your Eyes
Shared: Story Rich · Interactive Fiction · Adventure

Chaos on Deponia
Shared: Comedy · Adventure · Story Rich

Kraken Academy!!
Shared: Dark Humor · Comedy · Adventure

Tales from the Borderlands
Shared: Story Rich · Comedy · Adventure

Kindergarten 3
Shared: Dark Humor · Interactive Fiction · Comedy

Psychonauts 2
Shared: Story Rich · Comedy · Adventure

Deponia Doomsday
Shared: Story Rich · Comedy · Adventure