Volley Brawl
Volley Brawl is a slime-volley inspired (sounds so much better than 'clone', doesn't it?) game developed by Bartbes and Nevon.
The game features a large array of playable characters, a brutal AI, a local multiplayer mode as well as two networking modes (LAN and internet).
Master game server provided by thelinx.
The game is available to download from Github.