Games like Psyber
Games like Psyber include Celeste, Öoo, Super Meat Boy, LIMBO, and VVVVVV. We matched them by the tags players give Psyber on Steam (Programming, Education, Precision Platformer, Robots, and Minimalist): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · 2D Platformer · Platformer

Öoo
Shared: Puzzle Platformer · 2D Platformer · Tutorial

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

LIMBO
Shared: Puzzle Platformer · Platformer · Indie

VVVVVV
Shared: Precision Platformer · 2D Platformer · Platformer

Mind Over Magnet
Shared: Robots · Puzzle Platformer · 2D Platformer

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

SANABI
Shared: 2D Platformer · Adventure · Action

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

ElecHead
Shared: Puzzle Platformer · Platformer · Robots

I wanna be the Creator
Shared: Precision Platformer · Platformer · Adventure

Downwell
Shared: Precision Platformer · 2D Platformer · Platformer

Moonleap
Shared: Minimalist · Puzzle Platformer · Platformer

The Farmer Was Replaced
Shared: Programming · Education · Minimalist

INSIDE
Shared: Puzzle Platformer · 2D Platformer · Indie

N++ (NPLUSPLUS)
Shared: Precision Platformer · 2D Platformer · Minimalist

Stray
Shared: Robots · Adventure · Beautiful

Super Mombo Quest
Shared: Precision Platformer · Adventure · 2D Platformer

MIO: Memories in Orbit
Shared: Platformer · Robots · Action-Adventure

Jump King
Shared: Precision Platformer · Platformer · Adventure

BEEP
Shared: Platformer · Robots · Adventure

The End Is Nigh
Shared: Precision Platformer · Platformer · Adventure

Garbanzo Quest
Shared: 2D Platformer · Precision Platformer · Platformer

Bō: Path of the Teal Lotus
Shared: Precision Platformer · 2D Platformer · Platformer