It's important to have a well-defined project plan with specific goals, timetables, and milestones if you want to make sure that your game development project stays on schedule and within your budget. In order to make sure the project is reaching its objectives and deadlines, you should also create a realistic budget and keep to it. Communication is also essential, so be sure to keep the lines of communication open with your team and other stakeholders to keep everyone informed. Finally, be ready to modify the project plan as necessary. Just make sure that any modifications are made, keeping in mind the overall project goals and budget.