We did some improvement based on F3D, including constancy, competitiveness and winning odds.
Here is the How to？
1⃣️Investment mine, daily dividends, at least 5 times earnings!
2⃣️Go to the mine field and finish the task, and get 20% of the profit of the mine. The players who end up will getting 80 % of the proceeds from the mine!
3⃣️Players who enter earlier will get system reward for 50% of the investment of those who enter later.
4⃣️Invite friends to join you can get 10% of your friends' investment directly to the account!