Games like LeapTerra
Games like LeapTerra include Brawlhalla, Laughing to Die, Thank Goodness You're Here!, Webbed, and Hollow Knight. We matched them by the tags players give LeapTerra on Steam (Casual, Platformer, Collectathon, 2D Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

Brawlhalla
Shared: Casual · 2D Platformer · Platformer

Laughing to Die
Shared: Casual · Platformer · 2D Platformer

Thank Goodness You're Here!
Shared: Casual · Hand-drawn · 2D Platformer

Webbed
Shared: 2D Platformer · Platformer · 2D

Hollow Knight
Shared: Platformer · 2D · Singleplayer

Hidden Folks
Shared: Casual · Hand-drawn · 2D

GRIS
Shared: Platformer · Hand-drawn · 2D

Sonic Superstars
Shared: Platformer · Casual · 2D Platformer

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

Hidden Through Time
Shared: Casual · 2D · Collectathon

Hoa
Shared: 2D Platformer · Hand-drawn · Relaxing

Sonic Origins
Shared: 2D Platformer · Platformer · Casual

Plants vs. Zombies GOTY Edition
Shared: Casual · 2D · Singleplayer

Super Meat Boy
Shared: Platformer · 2D Platformer · 2D

Hook
Shared: Casual · Relaxing · Family Friendly

Braid
Shared: 2D Platformer · Platformer · 2D

SHINOBI: Art of Vengeance
Shared: Platformer · 2D Platformer · 2D

Thomas Was Alone
Shared: Platformer · 2D Platformer · 2D

Passpartout: The Starving Artist
Shared: Casual · Hand-drawn · Relaxing

Castle of Illusion
Shared: Platformer · Casual · Family Friendly

Potion Craft: Alchemist Simulator
Shared: Relaxing · Singleplayer · 2D

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

Luna's Fishing Garden
Shared: Collectathon · 2D Platformer · 2D

A Little to the Left
Shared: Casual · Relaxing · 2D