Energy

Energy is used to play games. You can get energy by leveling up or earning achievements. You can also increase maximum energy by leveling up or buy the "Maximum Energy!" artifact. Reduce time to 100 seconds from 300 seconds by getting "Unlimited Energy!".

Uses
You can use energy for:
 * Playing scenes

Earning energy
You can earn energy by:
 * Leveling up
 * Earning achievements

Regenerating energy
You can regenerate energy for
 * Spending 300 seconds (5 minutes), or 100 seconds (1 minute 40 seconds) with "Unlimited Energy!".
 * Eating a snack.
 * Friends sent energy to you (You can ask friends for energy).

Maximum Energy
For new players, the max energy is 110. You can increase max energy by
 * Leveling up to desired level of achievements
 * Buying the "Maximum Energy!" artifact.