Board Thread:Game Discussion/@comment-5211035-20130605072407/@comment-9605025-20130605191122

70.192.130.135 wrote: How much energy is in each energon cube? We need a standard bases for comparison. Could an energon cube to Marty McFly's DeLorean? What about a shuttlecraft? A warp core?

It's the doc's DeLorean.

Energon max is increased by defeating bosses not leveling up.