A lonely person, explore all kinds of secret, access to resources, let oneself become stronger, only stronger...
Randomly generate maps, obstacles and monster birth points by code
The control character constantly defeats the attacking monster to earn gold
You can use gold to buy equipment when you defeat all your current monsters
Constantly strengthen character attributes, defeat more powerful monsters
A powerful monster will appear every 5 levels for players to challenge
The game ends when the characters health is 0