Games like HiddenFrog
Games like HiddenFrog include VHOLUME, Portal 2, A Story About My Uncle, Neon White, and Refunct. We matched them by the tags players give HiddenFrog on Steam (Casual, Platformer, 3D Platformer, FPS, and 3D): closest matches first, and among equally close ones the better-known games.

VHOLUME
Shared: 3D Platformer · Platformer · Casual

Portal 2
Shared: Platformer · First-Person · Singleplayer

A Story About My Uncle
Shared: First-Person · Platformer · 3D Platformer

Neon White
Shared: 3D Platformer · FPS · Platformer

Refunct
Shared: 3D Platformer · Casual · Platformer

Crab Game
Shared: First-Person · 3D · Platformer

Liars Bar
Shared: Casual · FPS · 3D

Portal
Shared: 3D Platformer · First-Person · Singleplayer

Cyber Hook
Shared: 3D Platformer · Platformer · Indie

Garry's Mod
Shared: Casual · First-Person · FPS

Black Mesa
Shared: FPS · First-Person · Atmospheric

Mirror 2: Project X
Shared: 3D · FPS · Casual

BETON BRUTAL
Shared: 3D Platformer · Casual · Platformer

Sonic Adventure DX
Shared: Platformer · 3D Platformer · Retro

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: 3D Platformer · Casual · Platformer

DeadCore
Shared: Platformer · FPS · 3D Platformer

Fresh Start Cleaning Simulator
Shared: 3D · First-Person · FPS

Chained Together
Shared: Platformer · Casual · 3D Platformer

Moncage
Shared: Casual · Indie · Atmospheric

White Knuckle
Shared: 3D Platformer · Platformer · First-Person

s&box
Shared: Casual · 3D Platformer · FPS

Hollow Knight
Shared: Platformer · Indie · Atmospheric

HROT
Shared: FPS · Retro · First-Person

Battlefield™ 1
Shared: FPS · First-Person · Singleplayer

