In all, its quite an impressive package and should definately be a choice pick for a free FPS. If the included levels, for both single and multiplayer aren't enough, there is an in-built level editor for creating maps in 3D. The bots have five levels of difficulty ranging from Bad to Best and you can play against up to thirty-two of them.
This is a good place to start when getting a feel for the game. There is a single player mode which consists of bots in place of networked players.
The main focus of the game is online play and as mentioned, that should be relatively easy to become involved in for most players. Just as the fantastic Death Illustrated was based on the same engine which ran Cube (the CUBE engine), so is this. The name may sound familiar, if so, you may have heard of Cube, reviewed here way back in '04. Not only that, its download is roughly 20MB (small for a FPS) and its online support claims to be 56k modem compatible.
That means this FPS is available for MAC, Win and Linux systems.
However, no remade maps are included in the official release.AssaultCube is a free, open source first person shooter. AssaultCube 1.2.0.2 - Download for PC Free Assault Cube - PC Review and Full Download Old PC Gaming. Several maps from other games have been remade for the Cube engine by players.