Terraria - Dig, Fight, Build! The very world is at your fingertips as you fight for survival, fortune, and glory.

Songlio - Free musical guessing game: race friends to name that tune

Minetest - Minetest is a near-infinite-world block sandbox game and a game engine, inspired by InfiniMiner...

SongTrivia2.io - Songtrivia2.io is a browser and mobile blind test game that allows you to play in real time with your friends or against strangers. Several musical themes, difficulty and game modes are available to create lots of different musical quizzes.

Minecraft - A block-building game that allows you to create and explore entire worlds from scratch.

Rock On! - A song pop adventure - music trivia awesomeness