Regeneration

Regeneration is an upgrade that lets you slowly restore lost hitpoints.

Unlock
This upgrade is unlocked at the very start of the game.

Extra information

 * 1) This upgrade is a % based on the max. hitpoints.
 * 2) Every upgrade is worth +0.1%.
 * 3) You can upgrade up to 10000 times, so if buy all the upgrades you will have +1000% health per second.