Games like Speedrun Simulator
Games like Speedrun Simulator include Portal 2, VHOLUME, Gorilla Tag, ALTF4, and Witch It. We matched them by the tags players give Speedrun Simulator on Steam (Time Management, Runner, Hidden Object, Platformer, and eSports): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Platformer · First-Person · Funny

VHOLUME
Shared: Runner · Platformer · First-Person

Gorilla Tag
Shared: First-Person · 3D · Funny

ALTF4
Shared: Runner · Platformer · Action

Witch It
Shared: Hidden Object · Funny · Casual

Mage Arena
Shared: First-Person · Action · eSports

Mirror's Edge™ Catalyst
Shared: Runner · First-Person · Platformer

MECCHA CHAMELEON
Shared: Hidden Object · Funny · Casual

Last Train Outta' Wormtown
Shared: Platformer · 3D · Action

Soda Crisis
Shared: Runner · Platformer · 3D

BIT.TRIP Presents... Runner2: Future Legend of Rhythm Alien
Shared: Runner · Platformer · 3D

Portal
Shared: First-Person · Funny · Platformer

Pizza Tower
Shared: Platformer · Funny · Cartoony

Haste
Shared: Runner · Action · Racing

SONIC X SHADOW GENERATIONS
Shared: Platformer · 3D · Action

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

Montaro
Shared: Runner · Platformer · Casual

Phantom Abyss
Shared: Platformer · Runner · Action

POPUCOM
Shared: Platformer · Funny · 3D

Hextech Mayhem: A League of Legends Story™
Shared: Runner · Platformer · Action

PEAK
Shared: First-Person · 3D · Time Management

SUPER 56
Shared: Hidden Object · Funny · 3D

MARVEL Tōkon: Fighting Souls
Shared: eSports · Action · Casual

Lethal Company
Shared: First-Person · Funny · Time Management