[PC][Mid 2000s] Medieval themed block puzzle

Platform(s): PC

Genre: Puzzle/Adventure

Estimated year of release: Around 2005 to 2010

Notable characters: 1 player

Notable gameplay mechanics: The gameplay is moving square blocks with matching colors and symbols to each other to clear them. You win a level by clearing all blocks. The blocks can only be move horizontally and can fall down. There are levels with elevators to move the blocks up or down.

Other details: You will be playing as a knight moving through a castle and the levels are challenges by a wizard to delay you.

I played this game around 2009 when my sister was 4. Does it ring any bells?