Skyscrapers
A Latin-square puzzle with a view: every row and column holds 1–N once, and each edge number tells you how many buildings are visible from that side (taller ones hide the shorter behind them). Pure deduction. Fewer seconds is better.
Trains: Spatial deduction · Category: Logic & Puzzles
How to play: Skyscrapers is a free, browser-based brain-training game in the Brain Gym suite. Play it instantly — no sign-up, works offline, and your best scores are saved on your device.
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