In Gems Adventure-Mech Evolution, players undertake an epic journey to collect gems and evolve their mechanical creatures. The main aim is to strategically gather resources, upgrade their mechs, and compete against opponents to advance through various levels and challenges. The game combines strategic planning with engaging gameplay for an exciting experience.

Yes, the game is free to download and play. It offers optional in-app purchases to enhance the gaming experience or accelerate progress. Players can enjoy the full game without spending money, though doing so may require more time and effort.

The game is available on both Android and iOS devices. It is optimized for a wide range of devices to ensure smooth gameplay, but users should verify device compatibility with their operating system before downloading.

Complete access to all features requires an internet connection. While some basic gameplay may be playable offline, updates, in-game purchases, and online events or battles need an active internet connection for full participation.

Players can upgrade their mechanical creatures by collecting specific types of gems. Gathering these gems allows them to evolve their mechs into more powerful versions with better abilities. This system encourages strategic planning of gem collection to maximize mech potential in battles and challenges.