
Logic · Debate · Reasoning · Decisions
Walk around the questionbefore you answer it.
Deeperpectives is a quiet place for logic puzzles, debate scenarios, reasoning games and decision exercises. Each one is lit from two sides, so you get to see the half you would have missed.
Try one. No account needed.
A bat and a ball cost $1.10 together. The bat costs $1.00 more than the ball.
What does the ball cost?
Five rooms, one habit.
Every session trains the same move: answer, then go and stand where the other answer looks right. Pick a room to open it in the launcher.

01Opening soon
Logic
Does the conclusion actually follow?

02Opening soon
Debate
Pick a side. Then argue the other one better.

03Opening soon
Reasoning
The first answer is fast. The second one is yours.

04Opening soon
Decisions
Choose, then look at what the choice cost.

05Opening soon
Perspectives
The same room, seen from both sides.
Accounts
Keep a name on the board.
An account is an email, a username and a password. When scored games open, your results are kept under that name on the leaderboard.
Text alerts
A text when there is a new one.
New puzzles and Deeperpectives news, sent to your phone. Reply STOP whenever you have had enough. Message and data rates may apply.
From the reading room.
All articles
Einstein's Riddle: The Legend and the 1962 Magazine Page
The famous five-house logic puzzle has no documented link to Einstein. Its earliest known appearance is a 1962 issue of Life International, and its author is still unknown.
By Siobhan O'Reilly

The Jam Table Problem and the Limits of a Famous Experiment
A 2000 study of tasting booths became a case for choosing less, but the wider evidence points to something more conditional.
By Marcus Adeyemi-Holt

A Shortcut That Slows Everyone: Braess's Paradox and the Limits of the Map
A small traffic model shows how a new connector can leave every driver worse off, and why the result is a reason to ask harder questions about road proposals rather than a verdict on any particular road.
By Lila Serrano