Word Stacks – Search and Connect Hidden Block Puzzle Games (Free & Offline). Word Heaps is a fun word games that you should play right now. This game is provide with 1000+ levels that you can play for FREE. This game can be played in offline mode without internet connection. Try to find word in alphabet combination in each level. Prove your knowledge about English words vocabulary! Find as many hidden words as possible to unlock levels and earn extra bonus coins too.