I've been innovating a good number of moonbases on this link
Roblox is great fun and is worth playing ALL the time! have a try!
In roblox tu have to build things in your place, play other peoples games, enter building contests, buy things with tickets tu earn daily, and LOADS more. If tu dont believe me click the link at the parte superior, arriba of the page and see for yourself! and after all... ITS FREE!
If tu find tu have mastered your place then tu can simply upgrade to builders club, turbo builders club, o ever Outrageous builders club, give it a go and see!!