Games like Snowball Fight Game
Games like Snowball Fight Game include Getting Over It with Bennett Foddy, Touhou Koumakyou: New Classic - the Embodiment of Scarlet Devil, Bit Blaster XL, Five Nights at Freddy's, and Jump King. We matched them by the tags players give Snowball Fight Game on Steam (Difficult, Psychological Horror, Bullet Hell, Shoot 'Em Up, and Nostalgia): closest matches first, and among equally close ones the better-known games.

Getting Over It with Bennett Foddy
Shared: Difficult · Psychological Horror · Indie

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

Bit Blaster XL
Shared: Difficult · Bullet Hell · Shoot 'Em Up

Five Nights at Freddy's
Shared: Psychological Horror · Difficult · Indie

Jump King
Shared: Difficult · Psychological Horror · Indie

Touhou Kanjuden ~ Legacy of Lunatic Kingdom.
Shared: Difficult · Bullet Hell · Psychological Horror

Enter the Gungeon
Shared: Bullet Hell · Difficult · Indie

Touhou Tenkuushou ~ Hidden Star in Four Seasons.
Shared: Difficult · Bullet Hell · Shoot 'Em Up

Dead Estate
Shared: Difficult · Bullet Hell · Shoot 'Em Up

Furi
Shared: Difficult · Bullet Hell · Shoot 'Em Up

Cuphead
Shared: Difficult · Bullet Hell · Indie

Pogostuck: Rage With Your Friends
Shared: Difficult · Psychological Horror · Indie

TouHou Makuka Sai ~ Fantastic Danmaku Festival Part II
Shared: Bullet Hell · Shoot 'Em Up · Difficult

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

Ikaruga
Shared: Bullet Hell · Shoot 'Em Up · Difficult

Outlast
Shared: Psychological Horror · Survival Horror · Atmospheric

Star of Providence
Shared: Bullet Hell · Shoot 'Em Up · Difficult

LUFTRAUSERS
Shared: Bullet Hell · Indie · Shoot 'Em Up

Exit the Gungeon
Shared: Bullet Hell · Indie · Difficult

TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Bullet Hell · Indie · Shoot 'Em Up

A Difficult Game About Climbing
Shared: Difficult · Psychological Horror · Action

Hollow Knight: Silksong
Shared: Difficult · Indie · Adventure

Revolution Ace
Shared: Shoot 'Em Up · Bullet Hell · Indie

Star Saviors
Shared: Bullet Hell · Shoot 'Em Up · Indie