Upgrades (ScrapTD)

In ScrapTD, the player can buy Upgrades when they reach level 7. There's currently a single upgrade.

Upgrades

 * More Energy (max level 8), costs Magnets: Adds 1 to the maximum Energy with each upgrade. When maxed you can have up to 12 Energy.

Trivia

 * It's been suggested to add improvements to Barrels and Defenses through this, for example, in the past there was a suggested 800% buff to the damage Airstrike dealt, on the time that Billboard was literally invincible.
 * There could be upgrades like more Bricks, or more Magnets in the future here.