Short Answer 
Chroma Blooks in Blooket are very rare collectibles, with chances of unlocking them often below 1%. Players acquire them by using in-game currency to buy boxes, relying on luck, and should be prepared for a challenging experience as they may need to open many boxes to obtain one.
Step 1: Understand Rarity of Chroma Blooks
Chroma Blooks in Blooket are considered to be highly rare collectibles. Some of these unique Blooks can have an extremely low chance of being unlocked, often less than 1%, with the rarest having probabilities nearing just 0.02%. This rarity makes Chroma Blooks highly sought-after among players.
Step 2: Know the Unlocking Process
To obtain a Chroma Blook, players need to participate in the game by spending in-game currency. This currency can be used to buy boxes that contain a random assortment of Blooks. Players must rely on luck as they hope to receive a Chroma version amongst the standard Blooks available. The anticipation of unlocking one adds to the excitement of the game.
Step 3: Anticipate the Challenge
Players should be prepared for a challenging experience when trying to acquire Chroma Blooks. The odds are stacked against them, which means they may need to open multiple boxes before successfully unlocking one. It’s essential to stay patient and enjoy the game, as the thrill of chasing after these rare items is part of the fun.