Sudoku to Great Barrier Reef on Wikipedia

The shortest route from Sudoku to Great Barrier Reef is 3 clicks.

1. Sudoku
2. COVID-19 pandemic
3. 2020 in science
4. Great Barrier Reef

Step by step

1. On Sudoku (Logic-based number-placement puzzle), click COVID-19 pandemic (Pandemic caused by SARS-CoV-2).
2. On COVID-19 pandemic, click 2020 in science.
3. On 2020 in science, click Great Barrier Reef (Coral reef system in Queensland, Australia).

No route is shorter: we checked every link on the Sudoku article, and none of those pages link straight to Great Barrier Reef.

Other 3-click routes

• Sudoku →to Apple Inc. →to Americas →to Great Barrier Reef
• Sudoku →to The New York Times →to Andes →to Great Barrier Reef
• Sudoku →to BBC →to Australia →to Great Barrier Reef
• Sudoku →to World War I →to Anatolia →to Great Barrier Reef
• Sudoku →to The Wall Street Journal →to Africa →to Great Barrier Reef

Can you find it in a race?

Knowing the answer is easy. Finding it with the clock running, using only the links inside each article, is the hard part. In WikiRacer you race friends or strangers from one article to another, and the fewest clicks wins.

Checked against live Wikipedia on 2026-10-21. Articles change, so links can come and go.

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