Games like Ploc
Games like Ploc include Celeste, Zup! S, LIMBO, UFO 50, and SANABI. We matched them by the tags players give Ploc on Steam (Retro, Indie, Minimalist, Casual, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Indie · Pixel Graphics · Precision Platformer

Zup! S
Shared: Indie · Casual · 2D

LIMBO
Shared: Indie · Puzzle Platformer · Puzzle

UFO 50
Shared: Indie · Retro · Pixel Graphics

SANABI
Shared: Pixel Graphics · Indie · 2D

Zup!
Shared: Indie · Casual · 2D

Super Meat Boy
Shared: Indie · Pixel Graphics · Precision Platformer

VVVVVV
Shared: Indie · Pixel Graphics · Retro

Zup! 2
Shared: Indie · Casual · 2D

Moonleap
Shared: Minimalist · Pixel Graphics · Puzzle Platformer

Out There Somewhere
Shared: Indie · Pixel Graphics · Retro

Webbed
Shared: Pixel Graphics · Physics · 2D

FEZ
Shared: Indie · Pixel Graphics · Puzzle

Zup! F
Shared: Indie · Casual · 2D

Zup! 3
Shared: Indie · Casual · 2D

Zup! X
Shared: Indie · Casual · 2D

Zup! 8
Shared: Indie · Casual · 2D

Shovel Knight: Treasure Trove
Shared: Retro · Indie · Pixel Graphics

Zup! 5
Shared: Indie · Casual · 2D

Defy Gravity Extended
Shared: Indie · Puzzle Platformer · 2D

Downwell
Shared: Indie · Pixel Graphics · Precision Platformer

Papers, Please
Shared: Indie · Pixel Graphics · Retro

Zup! 7
Shared: Indie · Casual · 2D

The Messenger
Shared: Retro · Pixel Graphics · Indie