The following is a list of online multiplayer found on Armor Games. These games are not MMOs. Games are organized alphabetically by categories. Please post any missing or new online multiplayer games on my profile and I will update the list accordingly.

Competitive
Play competitively against one or more players by directly facing other players or the environment.

Player vs. Player
1066 - 1v1
Armor Wars - 1v1
Artillery Live - 2v2
Bad Eggs Online - 1v1, 2v2, 3v3
Battle Sector - 1v1 or 2v2
Colony - 1v1 with bots or 2v2
Phage Wars Live - 2-4 players
Sands of the Coliseum - 1v1
Shell Shock Live - 1v1, 2v2, or 3v3
Vortex Wars - 2-8 players

Player vs. Enviroment
Exit Path - 2-?
Exit Path 2 - 2-?
Hit The Jackpot 3 - 2+
Platform Racing 2 - 2-4 players


Cooperative
Play alongside one or more players.

Achievement Unlocked 2 - 4 players
Everybody Edits - 1+ players
The Last Castle - 2-3 players