"Quake-like shooting game with multiplayer mode"
Cube 2: Sauerbraten is a first-person action game, similar to the classic games: Doom, Unreal Tournament or Quake
The particularity of this game is that it is developed in an OpenGL engine, which allows to distribute it for free. It has a multitude of maps, weapons very similar to those of Quake, different characters and includes a map editor for you to customize them to your liking.
It has several modes of game, on the one hand the one of a single player and on the other hand several multiplayer modes with which you will be able to make combats or death games, the last one that remains standing wins.