Collectibles are an essential part of the 100% Orange Juice!, often serving as the goals of events and the player's key reason for playing the game, other than the gameplay itself. There are a wide variety of collectibles that players can attain, either through purchasing them in the Shop with various currency, beating campaign episodes, unlocking them during various events, purchasing DLC, or completing other tasks. Collectibles can often be thought of as 2 separate groups: cosmetics (which act as a way for players to customize the appearance of their characters in-game during the deck selection screen as well as their avatar in the main menu) and others (which include collectibles such as those that are gameplay-related, or those tied to the in-game Card Binder and Gallery). There are a number of various shops within the main Shop that each have their own mechanics related to obtaining collectibles, whether it be through a more specific unlock process or through random chance.
While there are many collectibles which are exclusive to limited-time events, Fruitbat Factory has confirmed that they will never make any collectible permanently missable. Any event collectible which is currently unavailable will always eventually be made available again, through the associated event either being reran or retired.