The BioShock Infinite - Season Pass is Now Available on Steam! More Stories, More Weapons, More Characters. Extend the narrative and adventure with the BioShock Infinite Season Pass. Get three add-ons for the price of two, plus an instant bonus on Day 1 with The Early Bird Special Pack, only available to Season Pass holders. The Instant Day 1 bonus pack contains four pieces of exclusive gear, a Machine Gun Damage Upgrade, a Pistol Damage Upgrade, a gold skin for both weapons and five Infusion bottles that allow players to increase their health, their shield durability or their ability to use Vigors by increasing the quantity of Salts they can carry.