| Character | Gallery | Fanmades | Quotes |
- "I am Twenty-One! And I'm a number explorer!"
- "There's so much more to explore!"
- "Seeing what rectangles a number can make really helps figure them out."
- "Some can make lots, and some can make two. That's one way to learn who you are and what you can do!"
- "It's time to go out and explore the world to find out what clues it may hold. It may take a day or a week or a month to see what adventures unfold."
- "I am the stairs!"
- "But I want to explore more now!"
- "Amazing adventures await, with so many new numbers to meet!"
- "Legend says the island is the hiding place of Captain Hexbeard's treasure."
- "Now let's see how rectangular you can be, find your arrays, make your displays, master the power of rectangle rays."
- "Some can make lots, and some can make two, that's one way to learn who you are and what you can do"
- "What are you afraid of?"
- "Well, let's change that. Numberblocks were born to count!"
- "Line yourselves up, and let's get exploring!"
- "So pleased to be here. I have so many questions"
- "Okay. That's enough about us, how many of you are there?"
| Numberblocks | Discovered | Zero, One, Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten, Eleven, Twelve, Thirteen, Fourteen, Fifteen, Sixteen, Seventeen, Eighteen, Nineteen, Twenty, Twenty-One, Twenty-Two, Twenty-Three, Twenty-Four, Twenty-Five, Twenty-Six, Twenty-Seven, Twenty-Eight, Twenty-Nine, Thirty, Thirty-One, Thirty-Two, Thirty-Five, Thirty-Six, Forty, Forty-Two, Forty-Five, Forty-Eight, Forty-Nine, Fifty, Fifty-Four, Fifty-Five, Fifty-Six, Sixty, Sixty-Three, Sixty-Four, Seventy, Seventy-Two, Eighty, Eighty-One, Ninety, One Hundred |
|---|---|---|
| Times Tables | One Times Table, Two Times Table, Three Times Table, Four Times Table, Five Times Table, Six Times Table, Seven Times Table, Eight Times Table, Nine Times Table, Ten Times Table | |
| Monsters | Blockzilla | |