Remove all tiles from the game. You can only reach the tiles via the sides.

Play a rotating Tetris game. Drop down blocks and make squares of at least 3x3 to remove those squares.

Find all the hidden objects in London. Click on all the hidden objects.

Fly around and grab all items. Click on a rock and hold on to move up.

Find all the hidden objects in Prague. Click on all the hidden objects.

Match 3 game with Jewels. Swap 2 jewels to match 3 or more.

Blast planets away in Space. Click on groups of 2 or more of the same planets. Reach the indicated goal.

Click and collapse groups of mahjong tiles. Try to remove all tiles.