Storage

The game begins with 100 storage slots. Each upgrade gives an additional 100 storage slots with maximum of storage spaces without using. You may also get an extra 100 storage slots after completing Otto, another 200 storage slots after completing Samuel's contract #50, or gain extra storage spaces from limited special storage slot offers.

Limited Offer
These special Storage slots were available as a Limited Offer:

Bonus Slot
These special Storage slots were available as a Special Offer/Vintage Offer with a Buy Limit of 1:

History
Number of obtainable storage spaces has been occasionally increased as part of following Game Updates:
 * ► Added an additional +100 expansion.
 * ► Added an additional +100 expansion.
 * ► Added an additional +100 expansion.
 * ► Added an additional +100 expansion.
 * ► Added an additional +100 expansion.
 * ► Slot extensions completely rebalanced - level requirements and/or prices reduced.
 * ► Introduced new storage upgrades increasing maximum of attainable storage places from from 2,200 to 2,600 (without completed Otto & without upgrades available only for
 * ► A new tier of storage extension was added to the shop.
 * ► A new tier of storage extension was added to the shop. New requirements still be updated.