Games like Gunstorm II
Games like Gunstorm II include Escape From Duckov, BALL x PIT, SNKRX, 12 is Better Than 6, and BRAZILIAN DRUG DEALER 3: I OPENED A PORTAL TO HELL IN THE FAVELA TRYING TO REVIVE MIT AIA I NEED TO CLOSE IT. We matched them by the tags players give Gunstorm II on Steam (Action, Top-Down Shooter, 2D, Arena Shooter, and 1980s): closest matches first, and among equally close ones the better-known games.

Escape From Duckov
Shared: Action · Top-Down Shooter · Shooter

BALL x PIT
Shared: Action · Top-Down Shooter · Arcade

SNKRX
Shared: Top-Down Shooter · Arena Shooter · Action

12 is Better Than 6
Shared: Action · Top-Down Shooter · Shooter

BRAZILIAN DRUG DEALER 3: I OPENED A PORTAL TO HELL IN THE FAVELA TRYING TO REVIVE MIT AIA I NEED TO CLOSE IT
Shared: Arena Shooter · Boomer Shooter · Shooter

Kill The Crows
Shared: Action · Top-Down Shooter · Arena Shooter

Strike Force Heroes
Shared: Action · 2D · Arena Shooter

Snake Force
Shared: Action · Top-Down Shooter · Shooter

Warhammer 40,000: Boltgun
Shared: Action · Boomer Shooter · Shooter

Serious Sam: Siberian Mayhem
Shared: Action · Boomer Shooter · Shooter

Chippy
Shared: Arena Shooter · Top-Down Shooter · 2D

Halo: Spartan Assault
Shared: Action · Top-Down Shooter · Shooter

Nova Drift
Shared: Arena Shooter · Shoot 'Em Up · Arcade

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

Zombieville USA 3D
Shared: Action · Top-Down Shooter · Shooter

Hotline Miami
Shared: Action · 1980s · Top-Down Shooter

Grandpa High on Retro
Shared: Action · Shooter · Action-Adventure

BRAZILIAN DRUG DEALER BEFORE 4: DEMONS FROM THE PORTAL TO HELL I OPENED ARE STILL IN THE FAVELA AND NOW I HAVE TO SAVE MAMADAS FROM RONALDO
Shared: Arena Shooter · Action · Boomer Shooter

METAL SLUG
Shared: Action · 2D · Arcade

Cyberhunt
Shared: Action · 2D · Shoot 'Em Up

AMID EVIL
Shared: Arena Shooter · Boomer Shooter · Old School

Broforce
Shared: Action · 2D · Shooter

Hotline Miami 2: Wrong Number
Shared: Action · 1980s · Top-Down Shooter

Bot Vice
Shared: Top-Down Shooter · Action-Adventure · Shooter