Roblox is an online game (massive multiplayer online). You can play with your friends in roblox. In order to play the roblox games, You need to download roblox player here (http://www.roblox.com/install/setup.ashx), after that…you must register first at www.roblox.com
After you registered, it’s time to login, the way is: enter your username and password (see picture) then click the login button.
After you log in, you will see a number of games, select by category and select the one that you like (see picture)
click PLAY and you are required to download Roblox .. after you finish downloading it, you can play as much you like
Note: roblox games is not only available for computers, if you want to install the free roblox application for your android device, you can visit the google PlayStore! There are many roblox games available for free download there.
A bit of an initial impression from me, playing ROBLOX reminds me of the Minecraft Pocket Edition sandbox game but with gameplay and visual shapes that are much more varied for the size of an open-world sandbox game