: The game’s developers (Pretty Simple) use server-side checks. Using a modified version often results in a permanent ban from the game and Facebook connectivity.

: Every time you level up, your energy bar is completely refilled. Plan your final scene investigations to trigger a level-up when you are low on energy.

: Once you complete a map, go back and play "Elite Mode." It offers better rewards and helps you stockpile items for future cases.

: Connect your game to Facebook to send and receive energy "packets" from friends. This is the most reliable way to get free energy daily.