Games like Intentional Bugs
Games like Intentional Bugs include Mountain, Slime Rancher 2, Mini Motorways, Papers, Please, and Librarian: Tidy Up the Arcane Library!. We matched them by the tags players give Intentional Bugs on Steam (Creature Collector, Singleplayer, Casual, Minimalist, and Point & Click): closest matches first, and among equally close ones the better-known games.

Mountain
Shared: Casual · Singleplayer · Relaxing

Slime Rancher 2
Shared: Singleplayer · Relaxing · Creature Collector

Mini Motorways
Shared: Casual · Minimalist · Singleplayer

Papers, Please
Shared: Singleplayer · Point & Click · Indie

Librarian: Tidy Up the Arcane Library!
Shared: Singleplayer · Relaxing · Casual

Unpacking
Shared: Casual · Relaxing · Singleplayer

Potion Craft: Alchemist Simulator
Shared: Singleplayer · Relaxing · Casual

Zup! S
Shared: Casual · Singleplayer · Relaxing

Hidden Folks
Shared: Casual · Point & Click · Relaxing

Mini Metro
Shared: Minimalist · Singleplayer · Casual

Cast n Chill
Shared: Creature Collector · Relaxing · Casual

Hook
Shared: Casual · Minimalist · Relaxing

Kabuto Park
Shared: Creature Collector · Casual · Nature

Superflight
Shared: Casual · Relaxing · Singleplayer

Zup!
Shared: Casual · Minimalist · Relaxing

Samorost 1
Shared: Casual · Point & Click · Relaxing

A Little to the Left
Shared: Relaxing · Casual · Singleplayer

Zup! F
Shared: Casual · Minimalist · Relaxing

Zup! 2
Shared: Casual · Minimalist · Relaxing

klocki
Shared: Casual · Singleplayer · Relaxing

Zup! X
Shared: Casual · Minimalist · Relaxing

A Castle Full of Cats
Shared: Point & Click · Creature Collector · Relaxing

Hexcells Infinite
Shared: Casual · Minimalist · Singleplayer

ISLANDERS
Shared: Relaxing · Singleplayer · Minimalist