Challenges
Below are the publicly available challenges from previous years, plus some Blockly Playgrounds.
(There is no need to have an account or log in to have a go at these.)
Official 2019 Challenge (Review Mode)
JuniorIntermediate
Senior
Elite
Official 2018 Challenge (Review mode)
JuniorIntermediate
Senior
Elite
Blockly Playground
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This is only necessary to access live challenges.