Comparison lab

Play the puzzles. Record what you see.

Preparation copy. The challenge set is not frozen.

Puzzle

Sample

Play order

0 of 42 samples finished

Before playing: what do you think the task is?What changed your next move? Note confusion, feedback, finish and replay interest.

Visible move record

Review details

Review label

Orders A and B reverse the puzzle order. Samples stay fixed. A new review starts separate progress and keeps the earlier record.