Games like Terror of Hemasaurus
Games like Terror of Hemasaurus include People Playground, CARRION, Goat Simulator, Destroy All Humans!, and PEAK. We matched them by the tags players give Terror of Hemasaurus on Steam (Physics, Villain Protagonist, Destruction, Dinosaurs, and Dark Humor): closest matches first, and among equally close ones the better-known games.

People Playground
Shared: Physics · Gore · Destruction

CARRION
Shared: Villain Protagonist · Gore · Physics

Goat Simulator
Shared: Physics · Comedy · Destruction

Destroy All Humans!
Shared: Villain Protagonist · Comedy · Action

PEAK
Shared: Physics · Co-op · Comedy

Teardown
Shared: Physics · Destruction · Co-op

Just Cause 4 Reloaded
Shared: Destruction · Physics · Action

Just Cause™ 3
Shared: Destruction · Physics · Action

Human Fall Flat
Shared: Physics · Co-op · Adventure

South Park™: The Stick of Truth™
Shared: Comedy · Dark Humor · 2D

High On Life
Shared: Comedy · Dark Humor · Adventure

BeamNG.drive
Shared: Physics · Destruction · Co-op

R.E.P.O.
Shared: Physics · Comedy · Co-op

Happy Wheels
Shared: Physics · Gore · Dark Humor

Portal 2
Shared: Dark Humor · Physics · Co-op

Red Faction Guerrilla Steam Edition
Shared: Destruction · Physics · Sci-fi

Gang Beasts
Shared: Physics · Co-op · Action

Paint the Town Red
Shared: Physics · Gore · Action

Viscera Cleanup Detail
Shared: Physics · Gore · Co-op

Forts
Shared: Physics · Destruction · 2D

Portal
Shared: Physics · Comedy · Sci-fi

Untitled Goose Game
Shared: Villain Protagonist · Comedy · Co-op

POSTAL 2
Shared: Dark Humor · Comedy · Gore

Wreckfest
Shared: Destruction · Physics · Action