Multiplayer twin stick shooter games with 2-player online support

It Came from Space, and Ate Our Brains

Players: 4 local, 0 online

Down2Die

Players: 4 local, 0 online

Livelock

Players: 3 local, 0 online

Livelock

Players: 3 local, 0 online

Monsters and Monocles

Players: 4 local, 0 online

Sun Warriors

Players: 4 local, 0 online

Contract Killers

Players: 2 local, 0 online

ANVIL: Vault Breakers

Players: 3 local, 0 online

ANVIL: Vault Breakers

Players: 3 local, 0 online

Stardrift Nomads

Players: 8 local, 0 online

Enemy of the State

Players: 3 local, 0 online

Enemy of the State

Players: 3 local, 0 online

Enemy of the State

Players: 3 local, 0 online

Deathpit 3000

Players: 2 local, 0 online

Serious Sam's Bogus Detour

Players: 12 local, 0 online

Robo Revenge Squad

Players: 4 local, 0 online

CONTRA: ROGUE CORPS

Players: 4 local, 0 online

FixEight: Jigoku no Eiyuu Densetsu

Players: 2 local, 0 online

Mobmania

Players: 4 local, 0 online

Rift Loopers

Players: 4 local, 0 online

Exterminate Zombies: Get Paid

Players: 4 local, 0 online

CONTRA: ROGUE CORPS

Players: 4 local, 0 online

CONTRA: ROGUE CORPS

Players: 4 local, 0 online

CONTRA: ROGUE CORPS

Players: 4 local, 0 online

Pigeons Attack

Players: 4 local, 0 online