How to upgrade the original dice, cats and cards?

The upgrade methods of the original dice, cats and cards are as follows. The player's experience can be gained by challenging Zhou Ke and completing the big world challenge.

1. Weekly visitors: Every day, two visitors come to Cat's Tail Pub, and players can play games. When the player level is 3, 4 visitors will appear directly on Monday.

2. Big World Challenge: Go to the map to find NPCs to fight. Some NPCs can only be unlocked if the player's player level reaches a certain requirement; Player level 3 can challenge Li Yue NPC, player level 5 can challenge rice wife on the island, and level 6 can challenge rice wife lightning island NPC.

3. Players can reach level 4 in the first week and level 6 in the second week.