Happy Blocks is a puzzle game developed by RandomAction for Android devices. The game's objective is to build a stable construct with blocks and make them happy. The game has 50 challenging levels, and the developer has promised to add more levels soon.

In Happy Blocks, players must be careful not to let the blocks fall, as this will make them unhappy. The fear of falling prevents the blocks from being happy, so players must use their problem-solving skills to create a stable structure. The game is easy to learn, but as the levels progress, the puzzles become more challenging. Overall, Happy Blocks is a fun and entertaining puzzle game for all ages.