Games like Boney's Research On Humans!
Games like Boney's Research On Humans! include Vampire Survivors, SANABI, Gunpoint, The WereCleaner, and 暖雪 Warm Snow. We matched them by the tags players give Boney's Research On Humans! on Steam (Stealth, Arcade, Supernatural, Action-Adventure, and 2D): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Roguelite · 2D · Arcade

SANABI
Shared: Story Rich · Action · 2D

Gunpoint
Shared: Stealth · 2D · Pixel Graphics

The WereCleaner
Shared: Stealth · Arcade · Cartoony

暖雪 Warm Snow
Shared: Action-Adventure · Roguelite · 2D

BALL x PIT
Shared: Arcade · Roguelite · Action

Skul: The Hero Slayer
Shared: 2D · Action · Roguelite

Ghost of Tsushima DIRECTOR'S CUT
Shared: Stealth · Story Rich · Action

UFO 50
Shared: Arcade · 2D · Action

Rogue Legacy 2
Shared: Arcade · Roguelite · Action

Party Hard
Shared: Stealth · Pixel Graphics · Action

Heat Signature
Shared: Stealth · Top-Down · Action

Rise of the Tomb Raider™
Shared: Action · Action-Adventure · Stealth

Rhythm Doctor
Shared: Story Rich · Pixel Graphics · 2D

Assassin's Creed® Origins
Shared: Action-Adventure · Stealth · Action

SUPER CHICKEN JUMPER
Shared: Arcade · 2D · Action-Adventure

Pipistrello and the Cursed Yoyo
Shared: Action-Adventure · Top-Down · 2D

METAL GEAR SOLID - Master Collection Version
Shared: Stealth · Action-Adventure · Action

Tomb Raider Game of the Year
Shared: Action · Story Rich · Action-Adventure

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · 2D · Story Rich

Impostor Factory
Shared: Story Rich · 2D · Top-Down

Marvel's Spider-Man 2
Shared: Action-Adventure · Action · Stealth

Marvel’s Spider-Man Remastered
Shared: Action-Adventure · Action · Story Rich

Halls of Torment
Shared: Roguelite · Arcade · Pixel Graphics