Games like Berserk Boy
Games like Berserk Boy include SANABI, Celeste, Shovel Knight: Treasure Trove, BlazBlue Entropy Effect, and Skul: The Hero Slayer. We matched them by the tags players give Berserk Boy on Steam (Action-Adventure, 2D, Old School, 2D Platformer, and Action): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · 2D Platformer · 2D

Celeste
Shared: 2D Platformer · Platformer · 2D

Shovel Knight: Treasure Trove
Shared: Platformer · 2D · Action

BlazBlue Entropy Effect
Shared: 2D · Action-Adventure · Action

Skul: The Hero Slayer
Shared: Action · 2D · Platformer

Katana ZERO
Shared: Action · Platformer · 2D Platformer

The Messenger
Shared: 2D · Platformer · Retro

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

ICEY
Shared: Action · 2D · Adventure

Hollow Knight
Shared: 2D · Platformer · Singleplayer

Out There Somewhere
Shared: Platformer · 2D · Adventure

Gravity Circuit
Shared: Action · 2D · Platformer

VVVVVV
Shared: 2D Platformer · Platformer · 2D

Hollow Knight: Silksong
Shared: 2D · Platformer · Singleplayer

Ori and the Will of the Wisps
Shared: Platformer · Action · Singleplayer

NINJA GAIDEN: Ragebound
Shared: Action · 2D Platformer · Platformer

Bloodstained: Curse of the Moon
Shared: Action · 2D · Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · 2D

Sonic Mania
Shared: 2D · Platformer · Action

Volgarr the Viking
Shared: Platformer · Action · 2D

F.I.S.T.: Forged In Shadow Torch
Shared: Action · Platformer · 2D Platformer

Freedom Planet 2
Shared: Action-Adventure · Platformer · Adventure

Axiom Verge 2
Shared: Action · Action-Adventure · 2D Platformer

Zombotron
Shared: 2D · Action · Adventure