27 worked questions
27 Fictional Archive Reasoning Challenges
PastRush: History Detective
Free companion exercises
Make one choice.
See why it works.
Pocket Puzzle Arcade: 217 original scenarios and puzzles. Pick a collection, try a few questions and read the reasoning.
27 worked questions
Idle Workshop Decisions
Cash Empire Clicker
27 worked questions
Route Choice Workshop
RushOrb: Storm Atlas
27 worked questions
Position and Motion Quiz
Fluxo: Gravity Runner
27 worked questions
Number Bond Choices
Number Beasts: Bond Lab
27 worked questions
Grove Decisions and Clues
Puffgrove: Grove Creatures
27 worked questions
Island Transfer Decisions
Number Puzzles: Sumbriska
28 worked questions
28 Number-Path Mini-Challenges with Worked Answers
Sumthread
These independent activities are not app demonstrations or assessments. You can use them without installing an app.