Multiplayer shoot em up games for PC/Windows with 2-player local/couch support

Atomic Guardians!

Players: 4 local, 0 online

Capcom Arcade Hits Volume 2

Players: 2 local, 0 online

Super Mega Space Blaster Special Turbo

Players: 2 local, 0 online

PuPaiPo Space Deluxe

Players: 4 local, 0 online

Gryphon Knight Epic: Definitive Edition

Players: 2 local, 0 online

Gemini Arms

Players: 2 local, 0 online

AirStrike II: Gulf Thunder

Players: 2 local, 0 online

AirStrike 3D: Operation W.A.T.

Players: 2 local, 0 online

Squad 51 vs. the Flying Saucers

Players: 2 local, 0 online

Caladrius Blaze

Players: 2 local, 0 online

Space Elite Force

Players: 2 local, 0 online

B.Ark

Players: 4 local, 0 online

Super Star Blast

Players: 4 local, 0 online

AngerForce: Reloaded

Players: 2 local, 0 online

Lazy Galaxy: Rebel Story

Players: 2 local, 0 online

Sky Mercenaries

Players: 2 local, 0 online

Zero Gunner 2

Players: 2 local, 0 online

Project Starship X

Players: 2 local, 0 online

Armageddon Onslaught

Players: 2 local, 0 online

Ice Cream Surfer

Players: 2 local, 0 online

Dragon Blaze

Players: 2 local, 0 online

G Darius

Players: 2 local, 0 online

Donuts'n'Justice

Players: 2 local, 0 online

Sol Divide: Sword of Darkness

Players: 2 local, 0 online

GUNBIRD2

Players: 2 local, 0 online