Games like Plop Saga
Games like Plop Saga include Celeste, Prince of Persia The Lost Crown, Leap Year, Webbed, and Öoo. We matched them by the tags players give Plop Saga on Steam (Side Scroller, Precision Platformer, Exploration, 2D Platformer, and Runner): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · 2D Platformer · Platformer

Prince of Persia The Lost Crown
Shared: Exploration · Side Scroller · 2D Platformer

Leap Year
Shared: Precision Platformer · Exploration · 2D Platformer

Webbed
Shared: 2D Platformer · Exploration · Puzzle Platformer

Öoo
Shared: 2D Platformer · Puzzle Platformer · Exploration

Bō: Path of the Teal Lotus
Shared: Side Scroller · Precision Platformer · Exploration

Thomas Was Alone
Shared: Side Scroller · Precision Platformer · 2D Platformer

Momodora: Reverie Under The Moonlight
Shared: Side Scroller · 2D Platformer · Exploration

Anomaly Agent
Shared: Side Scroller · 2D Platformer · Platformer

LIMBO
Shared: Puzzle Platformer · Puzzle · Platformer

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

ANIMAL WELL
Shared: Exploration · Puzzle Platformer · Puzzle

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

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

SANABI
Shared: 2D Platformer · Action · Side Scroller

FEZ
Shared: Exploration · Puzzle · Platformer

ANTONBLAST
Shared: 2D Platformer · Exploration · Puzzle Platformer

Braid
Shared: 2D Platformer · Puzzle Platformer · Puzzle

VVVVVV
Shared: Precision Platformer · 2D Platformer · Platformer

The Pedestrian
Shared: Side Scroller · Puzzle Platformer · Puzzle

Thank Goodness You're Here!
Shared: Exploration · 2D Platformer · Side Scroller

Afterimage
Shared: Side Scroller · 2D Platformer · Exploration

Soulless: Ray Of Hope
Shared: Side Scroller · Precision Platformer · Exploration

The Deletion
Shared: Side Scroller · Precision Platformer · 2D Platformer