This is a list of free-to-play massively multiplayer or simply mutliplayer platform shooters.

Warside is a free-to-play multiplayer sci-fi platform shooter featuring classic 2D gameplay combined with RPG elements. Play as part of a small squad of elite troops fighting for resources and power across the galaxy. Create your own elite soldier and take [...]
for: Windows | by: Kraken Games visit site
Boring Man is a free-to-play platform multiplayer shooter game made by a single amateur developer. Battle other badly drawn 2D stickman online while jumping around like a lunatic and getting blown up into smithereens. With over 50 weapons, Boring Man is [...]
for: Windows | by: Spasman visit site
Crazy Fairies is a free-to-play turn-based projectile shooting game where you can battle your friends in single or multiplayer group combat. It is set in a crazy fairy tale world where all your favorite characters come to life and battle to [...]
for: WindowsMacLinuxAndroid | by: Spicy Horse visit site
Big Head Bash is a free-to-play browser-based 3D platform shooting game, combining heated PvP death match battles and collectible elements that will feature licensed goods from popular comics, music, movies and even alternative fashion. The game features several massively multiplayer game [...]
for: WindowsMacLinuxFacebook | by: Spicy Horse visit site
DDTank is a free-to-play, turn-based PvP shooter, based on the classic Worms game. No download required, play now from a web browser. You can compete with different players in game. The simple keyboard operation makes interaction and PvP easier so that [...]
for: WindowsMacLinux | by: Aeria Games visit site