Games like Humanity Must Perish
Games like Humanity Must Perish include The Murder of Sonic the Hedgehog, Tricolour Lovestory, Class of '09: The Re-Up, Touhou Mystia's Izakaya, and Goat Simulator. We matched them by the tags players give Humanity Must Perish on Steam (Free to Play, Indie, Casual, Simulation, and Visual Novel): closest matches first, and among equally close ones the better-known games.

The Murder of Sonic the Hedgehog
Shared: Free to Play · Visual Novel · Casual

Tricolour Lovestory
Shared: Visual Novel · Simulation · Casual

Class of '09: The Re-Up
Shared: Visual Novel · Casual · Comedy

Touhou Mystia's Izakaya
Shared: Casual · Simulation · Anime

Goat Simulator
Shared: Simulation · Comedy · Casual

人间 The Lost We Lost
Shared: Indie · Simulation · Casual

Drug Dealer Simulator: Free Sample
Shared: Free to Play · Simulation · Casual

Touhou Big Big Battle
Shared: Indie · Casual · Free to Play

Marco & The Galaxy Dragon
Shared: Visual Novel · Anime · Casual

The Sims™ 4
Shared: Free to Play · Simulation · Casual

SMITE®
Shared: Free to Play · Indie · Simulation

Aimlabs
Shared: Free to Play · Simulation · Indie

千面 Melancholy Love
Shared: Indie · Casual · Visual Novel

Some Some Convenience Store
Shared: Visual Novel · Casual · Indie

妄想症:Deliver Me
Shared: Indie · Visual Novel · Simulation

Miracle Snack Shop
Shared: Visual Novel · Indie · Simulation

Gaokao.Love.100Days
Shared: Visual Novel · Simulation · Casual

寄甡 Symbiotic Love
Shared: Indie · Casual · Simulation

Cell to Singularity - Evolution Never Ends
Shared: Free to Play · Simulation · Casual

Aircar
Shared: Free to Play · Casual · Indie

Game Dev Tycoon
Shared: Indie · Simulation · Casual

Pretty Neko
Shared: Indie · Casual · Simulation

Tiny Snow
Shared: Indie · Visual Novel · Casual

Hatoful Boyfriend
Shared: Visual Novel · Anime · Comedy