Subspace Continuum

About

Subspace Continuum is a player-maintained online shoot ‘em up game enjoyed by people from all around the world - many of whom remain addicted to the fast paced explosive battles! Gameplay is extremely competitive and there are cup leagues, tournaments, cash prize events, a variety of team & squad based competitions. This completely free game also has a pretty interesting player community with its own history which is so in-depth that books could probably be written about it!

Source: IGDB