Games like Infernal Cave
Games like Infernal Cave include Terraria, Five Nights at Freddy's: Into the Pit, SANABI, Dungeon Munchies, and Skul: The Hero Slayer. We matched them by the tags players give Infernal Cave on Steam (Adventure, Mystery Dungeon, Exploration, Side Scroller, and 2D): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Adventure · 2D · Pixel Graphics

Five Nights at Freddy's: Into the Pit
Shared: Adventure · Pixel Graphics · 2D

SANABI
Shared: Adventure · Pixel Graphics · Action

Dungeon Munchies
Shared: Adventure · Pixel Graphics · Action

Skul: The Hero Slayer
Shared: Pixel Graphics · Action · 2D

Gato Roboto
Shared: Adventure · Pixel Graphics · 2D

Hyper Light Drifter
Shared: Adventure · Pixel Graphics · Indie

DAVE THE DIVER
Shared: Adventure · Pixel Graphics · Exploration

Hollow Knight
Shared: 2D · Exploration · Adventure

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

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

Broforce
Shared: Pixel Graphics · 2D · Action

ICEY
Shared: Adventure · Side Scroller · Action

Reventure
Shared: Adventure · Pixel Graphics · 2D

Axiom Verge
Shared: Pixel Graphics · Adventure · Indie

Dead Cells
Shared: Adventure · 2D · Pixel Graphics

Monster Boy and the Cursed Kingdom
Shared: Adventure · Action · 2D

Momodora: Reverie Under The Moonlight
Shared: Side Scroller · Exploration · Pixel Graphics

Rain World
Shared: Exploration · Pixel Graphics · 2D

Forager
Shared: Pixel Graphics · Adventure · 2D

Dust: An Elysian Tail
Shared: Adventure · Action · 2D

Rise of the Tomb Raider™
Shared: Adventure · Exploration · Action

OneShot
Shared: Pixel Graphics · Adventure · Indie

ANIMAL WELL
Shared: Exploration · Pixel Graphics · Adventure