Weld Master is a free puzzle game developed by RexGames for Android devices. The game challenges players to weld different pipes and create a path for the liquid to flow through. The game starts easy but quickly becomes more challenging as you progress through the levels.

In Weld Master, players must use their problem-solving skills to connect pipes of different shapes and sizes. The game features over 200 levels with increasing difficulty, and there are different game modes to keep things interesting. The graphics are simple but colorful, and the game is easy to navigate.

Overall, Weld Master is a fun and challenging puzzle game that will keep you entertained for hours. It's perfect for anyone who enjoys puzzle games and wants to test their problem-solving skills. Best of all, it's completely free to download and play!