Casual online games: Casual games are popular games that do not require a major time, these games never go out of style. We choose the best free casual games including Hole. io, Paper. io, Happy Glass, Knife Hit, Helix Jump, 8 Ball Poll City, Bubble Shooter, Kick the Buddy, Angry Birds, Super Mario Run, and more - all the free casual games you want! You just take a look at the game and you understand how to play it. Start to play online. Have fun!