Games like Vocabug
Games like Vocabug include Braid, Webbed, LIMBO, Defy Gravity Extended, and Trine 2: Complete Story. We matched them by the tags players give Vocabug on Steam (Puzzle Platformer, Word Game, Language Learning, Spelling, and Casual): closest matches first, and among equally close ones the better-known games.

Braid
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Webbed
Shared: Puzzle Platformer · 2D Platformer · Cute

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Platformer

Trine 2: Complete Story
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Celeste
Shared: Difficult · 2D Platformer · Platformer

Laughing to Die
Shared: Casual · Puzzle Platformer · Puzzle

Toki Tori
Shared: Casual · Puzzle · Puzzle Platformer

Munin
Shared: Puzzle Platformer · Casual · Puzzle

Öoo
Shared: Puzzle Platformer · 2D Platformer · Puzzle

Planet of Lana
Shared: Puzzle Platformer · 2D Platformer · Puzzle

PICO PARK
Shared: Puzzle Platformer · Casual · Puzzle

KarmaZoo
Shared: Casual · Puzzle Platformer · 2D Platformer

Zup! S
Shared: Casual · Puzzle · 2D

Chinatris
Shared: Word Game · Casual · Spelling

Zup! F
Shared: Casual · Puzzle · Puzzle Platformer

Zup!
Shared: Casual · Puzzle · Puzzle Platformer

FEZ
Shared: Puzzle · Puzzle Platformer · Platformer

Squishy the Suicidal Pig
Shared: Puzzle Platformer · Puzzle · Platformer

Pikuniku
Shared: Casual · Puzzle · Indie

Zup! X
Shared: Casual · Puzzle · Puzzle Platformer

Nihilumbra
Shared: Puzzle Platformer · Casual · Puzzle

Zup! 2
Shared: Casual · Puzzle · Puzzle Platformer

Hue
Shared: Puzzle Platformer · Puzzle · Indie