1. Explore scenic spots: In the Crystal House game, you can explore scenic spots all over the world, such as the Great Wall in China, the Eiffel Tower in France, the pyramids in Egypt and so on. The difficulty of each scenic spot is different, so you can choose different scenic spots to explore according to your own preferences.

2. Collect crystals: In the process of exploring scenic spots, you can collect various crystals, such as red crystals, blue crystals and green crystals. Each crystal has different rarity and value, which can be improved by synthesis and upgrading.

3. Upgrade the building: In the game, you can upgrade the building to improve the game level and add new game functions. For example, you can upgrade the main city to unlock new buildings and attractions, or upgrade the crystal house to increase the storage and value of crystals.