Games like Bouncy Bob: Episode 2
Games like Bouncy Bob: Episode 2 include Cuphead, Broforce, Hollow Knight, Shovel Knight: Treasure Trove, and Hollow Knight: Silksong. We matched them by the tags players give Bouncy Bob: Episode 2 on Steam (Action, Indie, Cartoon, Difficult, and Platformer): closest matches first, and among equally close ones the better-known games.

Cuphead
Shared: Cartoon · Difficult · Platformer

Broforce
Shared: Action · 2D · Indie

Hollow Knight
Shared: Platformer · Difficult · Indie

Shovel Knight: Treasure Trove
Shared: Platformer · Indie · Action

Hollow Knight: Silksong
Shared: Indie · Difficult · 2D

Nine Sols
Shared: Difficult · Action · Platformer

DR LIVESEY ROM AND DEATH EDITION
Shared: Action · Cartoon · Difficult

Geometry Dash
Shared: Difficult · 2D · Platformer

Enter the Gungeon
Shared: Difficult · Indie · Bullet Hell

Pizza Tower
Shared: Indie · Platformer · Action

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

BADLAND: Game of the Year Edition
Shared: Indie · Action · 2D

Awesomenauts
Shared: Action · Indie · Platformer

BattleBlock Theater®
Shared: Platformer · Co-op · 2D

Super Meat Boy
Shared: Indie · Difficult · Platformer

Risk of Rain (2013)
Shared: Indie · Action · Platformer

Just Shapes & Beats
Shared: Difficult · Indie · Action

Salt and Sanctuary
Shared: Action · Difficult · 2D

Spelunky
Shared: Indie · Platformer · Difficult

Streets of Rage 4
Shared: Action · Indie · 2D

Guacamelee! 2
Shared: Action · Platformer · 2D

Spelunky 2
Shared: Platformer · Difficult · Indie

Sonic Mania
Shared: Platformer · 2D · Retro

Duck Game
Shared: Action · Indie · 2D