a small oil field game that developed in Game maker platform

A mining field game: The main reference oil tycoon, but do not need engraved, the various parts only need to reflect the meaning of the line: The main interface for the town, has the following components: 1 Government Center: Show all levels, and completed the level; 2 Bank: Loan, with 20% interest rate, the loan money is deducted interest; 3 Factory: Upgrade items, including: tubing bold, drill can drill through the stone; 4 stables: upgrade the carriage, including: carriage capacity, carriage speed; 5 bars: there are about two company executives, before each can be used to bribe money to make them the next level to raise the purchase price; 6 Start the game button; 7 shows total assets;