Learning Hub

Multiple ways to learn — pick the style that fits you.

Challenges (125 puzzles)

Solve coding puzzles with the fewest blocks possible. Earn stars. Progress through 24 themed packs — Minecraft, Space Explorer, Secret Agent, Crypto Puzzles, and more.

Block Islands (new)

Puzzle-style challenges where code blocks float on the workspace like scattered jigsaw pieces. Drag them together, connect the right inputs and outputs, and solve the puzzle. Three island packs: Shipwrecked (beginner), Block Puzzles (intermediate), and Code Rescue (advanced with crypto blocks).

Blocksets (guided tutorials)

Step-by-step instructions that walk you through building programs block by block — like LEGO instruction sets for code. 6 packs, 30 tutorials.

Code Golf

Competitive efficiency puzzles — solve problems with the absolute minimum number of blocks. No hints, no solutions. 3 packs, 18 problems.

Code Lab

Write JavaScript directly in a code editor. For when you’re ready to graduate from blocks to text.

Just explore

The best way to learn is to open CryptoBlocks and start dragging blocks. Hit Peek Code to see what each block does. Hit Run to see it execute. Break things. That’s how you learn.