Planet Delivery 3D is a free puzzle game developed by SLab LLC for Android devices. The game's objective is to connect different cities and earn in-game money from deliveries. Players must unlock new territories and connect cities between them to earn more in-game money and unlock bigger territories.

The game's graphics are simplistic yet effective, with a 3D view of the planet and bright colors that make it easy to differentiate between cities. The gameplay is challenging, with each level requiring strategic planning and problem-solving skills. As players progress, they can unlock new vehicles and upgrade their delivery capabilities.

Overall, Planet Delivery 3D is an engaging and addictive puzzle game that provides hours of entertainment for players of all ages. Its simple yet effective design and challenging gameplay make it a must-try for puzzle game enthusiasts.