| Extreme | Answer | % Correct |
|---|---|---|
| Most populous city (4.9 mil) | Sydney | 98%
|
| Longest reef system (2300 km) | Great Barrier Reef | 97%
|
| Smallest state/territory by population (0.2 mil) | Northern Territory | 85%
|
| Largest state/territory by area (2.5 mil km2) | Western Australia | 80%
|
| Longest river (2,844 km) | Murray-Darling River system | 78%
|
| Smallest state/territory by area (0.002 mil km2) | Australian Capital Territory | 77%
|
| Lowest point (-15m) | Lake Eyre | 75%
|
| Largest state/territory by population (7.5 mil) | New South Wales | 75%
|
| Least populous state/territory capital (0.1 mil) | Darwin | 74%
|
| Highest point (2,228m) | Mt Kosciuszko | 68%
|
| Longest mountain range (~3,500 km) | Great Dividing Range | 58%
|
| Northern-most point of mainland | Cape York | 49%
|
| Largest desert (0.3 mil km2) | Great Victoria Desert | 42%
|
| Eastern-most point of mainland | Cape Byron | 31%
|
| Southern-most point of mainland | South Point, Wilsons Promontory | 18%
|
| Western-most point of mainland | Steep Point, Shark Bay | 11%
|
| Lowest recorded temperature location (-23.0*C) | Charlotte Pass | 8%
|
| Highest recorded temperature location (50.7*C) | Oodnadatta | 6%
|
| Biggest lake by volume (12 bil m3) | Lake Gordon | 0%
|
| Highest annual rainfall location (12,461 mm) | Mt Bellenden Ker | 0%
|