Nebulous.io

Grow your blobs by collecting dots placed throughout the game or gobbling up smaller players. Avoid bigger players attempting to do the same. Compete with other players to become the biggest blob in the universe!
Features:
◆ Find groups, play with friends, and join a clan!
◆ Over 500 skins with unique ways to unlock them and more coming!
◆ NEW: Special Power Ups in the Shop!
◆ Upload your own custom skin for other players to see!
◆ Online Multiplayer (up to 27 players per game)
◆ Offline Single-player
◆ FFA, Timed FFA, Teams, Timed Teams, Capture the Flag, Survival, and Soccer Mode!
◆ Mayhem Mode!
◆ XP, Achievements, and Stats!
◆ Clan System with Clan Wars!
◆ Feeling competitive? Try the Arenas!
◆ Space or Grid Theme
◆ Multiple Control Schemes
◆ Server Leader Boards
Tips:
◆ Eject mass into a black hole to move it
◆ After some time passes your blobs will recombine
◆ Seek refuge from large players inside black holes if you are small
◆ Black holes will break up or shrink your blobs if you are large
◆ Split up when being chased for a small speed boost