An EVE Upgrade permanently increases the player's maximum EVE capacity +36 and is the counterpart to the Health Upgrade.
BioShock[]
- Main article: BioShock
EVE Upgrades can be purchased at Gatherer's Gardens throughout the game for 80 ADAM per Upgrade. They are also a reward for researching Little Sisters. There are 8 EVE Upgrades to purchase, for a total cost of 640 ADAM.
BioShock 2[]
- Main article: BioShock 2
EVE Upgrades return as a purchasable upgrade at Gatherer's Gardens, although the price has now been reduced to 40 ADAM.