Games like Who is Dumb
Games like Who is Dumb include Pikuniku, Zup! F, PICO PARK, Zup! Zero, and Liars Bar. We matched them by the tags players give Who is Dumb on Steam (Casual, Trivia, Puzzle, Word Game, and Puzzle Platformer): closest matches first, and among equally close ones the better-known games.

Pikuniku
Shared: Casual · Puzzle · Indie

Zup! F
Shared: Casual · Puzzle · 2D

PICO PARK
Shared: Casual · Puzzle Platformer · Puzzle

Zup! Zero
Shared: Casual · Puzzle · 2D

Liars Bar
Shared: Casual · PvP · Indie

Zup!
Shared: Casual · Puzzle · 2D

Zup! 8
Shared: Casual · Puzzle · 2D

Zup! 2
Shared: Casual · Puzzle · 2D

BidKing
Shared: Casual · Trivia · Puzzle

Zup! X
Shared: Casual · Puzzle · 2D

Zup! S
Shared: Casual · Puzzle · 2D

Zup! Z
Shared: Casual · Puzzle · 2D

Scribblenauts Unlimited
Shared: Casual · Puzzle · 2D

LIMBO
Shared: Puzzle · Puzzle Platformer · 2D

Zup! 3
Shared: Casual · Puzzle · 2D

Peggle Deluxe
Shared: Casual · Puzzle · 2D

Scribble It!
Shared: Word Game · Casual · Family Friendly

Human Fall Flat
Shared: Puzzle · Puzzle Platformer · Multiplayer

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Casual

Zup! 4
Shared: Casual · Puzzle · 2D

Cookie Clicker
Shared: Casual · Incremental · Indie

Braid
Shared: Puzzle · Puzzle Platformer · 2D

Toki Tori
Shared: Casual · Puzzle · Indie

Chinatris
Shared: Casual · Word Game · Puzzle