Winning challenges in Lemonade Tycoon 2 is straightforward: Finish the challenge, and improve on your previous performance.
For Time Challenges, you just have to beat your previous dollar amount. If you made $12 000 in your first game, try for $13 000 in your next!
For Money Challenges, speed is the essence. If you reached your goal in 30 days, try to reach the same goal in 25!
For Career games, the goal is to grow your company over time, so you can track your performance by Market Capitalization, which reflects the size and stability of your company over time. You can check your performance on the LSX (Lemonade Stock Exchange) at any time.