Hammer Jump is a free simulation game for Android developed by Lightneer. The game requires the player to dig their way through the World below to find treasures, gems, and secrets. The game offers a fun simple 1-touch gameplay with beautiful arcade-style graphics and sounds. The player has to complete treasure collections to earn rewards and unlock new cool tools and skins. The tools can be upgraded and boosted to make them more powerful to mine through harder stones.

The game is addictive and challenging, and the player must strategize their digging to avoid obstacles and traps. The game is suitable for all ages and is easy to play. The game also offers an opportunity for players to give feedback to the developers about what they like or what kind of improvements they would like to see. The game is developed by Lightneer, a game development company based in Helsinki, Finland.

Overall, Hammer Jump is an enjoyable game that provides hours of entertainment with its simple and engaging gameplay.