Games like Soft Body
Games like Soft Body include RUINER, Hotline Miami, Nex Machina, Nuclear Throne, and Cuphead. We matched them by the tags players give Soft Body on Steam (Action, Indie, Puzzle, Abstract, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

RUINER
Shared: Action · Indie · Great Soundtrack

Hotline Miami
Shared: Action · Indie · Great Soundtrack

Nex Machina
Shared: Action · Twin Stick Shooter · Indie

Nuclear Throne
Shared: Indie · Action · Difficult

Cuphead
Shared: Difficult · Indie · Great Soundtrack

SYNTHETIK: Legion Rising
Shared: Indie · Action · Top-Down Shooter

Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil
Shared: Shoot 'Em Up · Action · Difficult

Hotline Miami 2: Wrong Number
Shared: Action · Great Soundtrack · Indie

TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Indie · Shoot 'Em Up · Action

Touhou Fuujinroku ~ Mountain of Faith.
Shared: Action · Indie · Shoot 'Em Up

Hollow Knight: Silksong
Shared: Indie · Difficult · Great Soundtrack

ZeroRanger
Shared: Indie · Action · Shoot 'Em Up

UBERMOSH
Shared: Action · Indie · Great Soundtrack

Just Shapes & Beats
Shared: Great Soundtrack · Indie · Action

Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Indie · Shoot 'Em Up · Great Soundtrack

Savant - Ascent
Shared: Action · Indie · Shoot 'Em Up

Enter the Gungeon
Shared: Indie · Bullet Hell · Difficult

LUFTRAUSERS
Shared: Indie · Action · Shoot 'Em Up

Chippy
Shared: Twin Stick Shooter · Shoot 'Em Up · Bullet Hell

Ikaruga
Shared: Action · Shoot 'Em Up · Great Soundtrack

Star Saviors
Shared: Action · Indie · Shoot 'Em Up

Jets'n'Guns 2
Shared: Action · Indie · Shoot 'Em Up

EDGE
Shared: Indie · Puzzle · Action

Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Action · Shoot 'Em Up · Indie