Ace of Spades: Battle Builder - Say hello to the creative shooter. Create your battleground, destroy it, then create it again.
Blockade 3D - Use guns, tanks, and even shovels to kill your enemy in different game-modes.
Lunacraft - Lunacraft focuses on Endless Creativity and Exploration elements.
Roblox - Reimagining the way people come together.
Banished - As always, Email support (at) shiningrocksoftware (dot) com if you have any issues. This will likely be the last update of Banished, except for any major bug fixes. The OSX and Linux versions development has stopped, and won't be released.
Blockland - Blockland is a non-competitive multiplayer sandbox-style construction game. It's kind of like playing with legos on the internet.