Games like Cave Crawler 2
Games like Cave Crawler 2 include SANABI, Celeste, Super Meat Boy, VVVVVV, and Shovel Knight: Treasure Trove. We matched them by the tags players give Cave Crawler 2 on Steam (Precision Platformer, Side Scroller, 2D Platformer, Platformer, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: 2D Platformer · Action · Pixel Graphics

Celeste
Shared: Precision Platformer · Platformer · 2D Platformer

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

VVVVVV
Shared: Precision Platformer · Platformer · 2D Platformer

Shovel Knight: Treasure Trove
Shared: Platformer · 2D · Pixel Graphics

Geometry Dash
Shared: Precision Platformer · 2D · Platformer

Downwell
Shared: Precision Platformer · Platformer · 2D Platformer

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

Broforce
Shared: Action · Platformer · 2D

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

I wanna be the Creator
Shared: Platformer · Action · Action-Adventure

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

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

Jump King
Shared: Precision Platformer · Platformer · 2D

Katana ZERO
Shared: Platformer · Action · 2D Platformer

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

The Messenger
Shared: Platformer · 2D · 2D Platformer

Himno
Shared: Platformer · 2D · 2D Platformer

NINJA GAIDEN: Ragebound
Shared: 2D Platformer · Platformer · Side Scroller

Sonic Mania
Shared: Platformer · 2D · Side Scroller

Blasphemous 2
Shared: 2D Platformer · Side Scroller · Fantasy

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

Olija
Shared: Action · Action-Adventure · Platformer

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