Matchkey Home Matchkey 0.0 / 5 ( 0 votes ) Your Rating? Discover Matchkey – Play Free Now on GamePrimary! Matchkey is another great puzzle game where you push matching blocks together to unlock doors and cause other effects. The goal in each level is to clear the path of obstacles to the exit. Can you solve the block puzzle? Enjoy playing this game here at RegionGame.com! Categories in which Matchkey is included: Puzzle Love 1 Player Thinking