Earning coins quickly in the game "Dark and Darker" usually involves the following strategies:

Complete tasks and challenges: There are usually a series of tasks and challenges in the game, and you can get gold coins as rewards for completing these. Focus on tasks that you can complete quickly and efficiently.

Exploration and Collecting: The game's environments are generally littered with items that can be collected. These items can be gold coins or items that can be sold on the game market in exchange for gold coins.

Player Trading: If the game supports trading between players, you can earn gold by selling rare or high-demand items.

Optimize your equipment and skills: Improving your survival rate and combat efficiency can help you stay in the game longer, giving you more opportunities to collect coins and items.

Participate in teamwork: Teaming up with other players can improve the efficiency of completing tasks and challenges, especially when facing difficult content.

Learn the game economy: Knowing which items are most valuable and when to sell them can help you maximize your profits.