| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 709,851 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,342,105 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,288 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,960 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,900 |
| Countries That Border Russia | 0 | - | 4.98 | 368,870 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,156 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,459 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,257 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,398 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,568 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,414 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,745 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,088 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,899 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,816 |
| Biggest Cities in Poland | 0 | - | 4.72 | 40,310 |
| Countries that Border Poland | 0 | - | 4.98 | 130,132 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,708 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,094 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,299 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,638 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,630 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,680 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,502 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,353 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,022 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,845 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,592 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,495 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 109,347 |
| Biggest Cities in France | 0 | - | 4.53 | 161,964 |
| Biggest Cities in Spain | 0 | - | 4.66 | 133,245 |
| Biggest Cities in Italy | 0 | - | 4.64 | 189,549 |
| Biggest Cities in California | 0 | - | 4.30 | 120,052 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,544 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 572,903 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,926 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,258 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,378 |
| Biggest Cities in The Netherlands | 0 | - | 4.43 | 36,563 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,908 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,291 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,484 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,564 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,296 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,982 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,688 |
| European Cities by Clue | 0 | - | 4.81 | 78,315 |
| Countries of the Soviet Union | 0 | - | 4.99 | 146,599 |
| Biggest Cities in China | 0 | - | 4.45 | 118,572 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,115 |
| Biggest Cities in Germany | 0 | - | 4.94 | 227,159 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,504 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,127 |
| Slavic Countries | 0 | - | 4.96 | 79,537 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,966 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,375 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,132 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,841 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,361 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,556 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,857 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,624 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,414 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,215 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,226 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,727 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,868 |
| Countries Formerly in Yugoslavia | 0 | - | 4.93 | 92,774 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,935 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,381 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,105 |
| Biggest Cities in India | 0 | - | 4.52 | 54,993 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,105 |
| Official Cities in the UK | 0 | - | 4.89 | 198,051 |
| Russia Country Quiz | 0 | - | 4.86 | 91,193 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,477 |
| Countries that Border Hungary | 0 | - | 4.99 | 85,701 |
| Europe Capital to Country | 0 | - | 4.99 | 199,328 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,318 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,851 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 16,011 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,341 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 68,658 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,502 |
| Countries that Bordered the USSR | 0 | - | 4.94 | 129,154 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,355 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,910 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,372 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,758 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,412 |
| European Capitals by Map | 0 | - | 4.99 | 53,318 |
| Cities of Ireland | 0 | - | 4.40 | 35,734 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,905 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,506 |
| Moldova Country Quiz | 0 | - | 4.89 | 22,942 |
| EU Capitals with No Hints | 0 | - | 4.94 | 99,021 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,278 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,432 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,450 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,646 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,060 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 42,838 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,647 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,666 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,505 |
| European Cities by Map #1 | 0 | - | 4.50 | 34,127 |
| European Cities by Map #2 | 0 | - | 4.34 | 30,197 |
| UK Cities and Towns by Map | 0 | - | 4.55 | 38,790 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 243,625 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,962 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.77 | 77,444 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,927 |
| Megacities on a World Map | 0 | - | 4.97 | 200,086 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,936 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,628 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 63,217 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,789 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 38,770 |
| Federal Subjects of Russia | 0 | - | 4.95 | 81,887 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 74,701 |
| Countries of Europe After World War II | 0 | - | 4.97 | 143,799 |
| Countries of Europe Before World War I | 0 | - | 5.00 | 112,732 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 65,557 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 313,430 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 91,932 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,312 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.92 | 154,668 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,143 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,761 |
| 50 Busiest Air Routes from London | 0 | - | 4.82 | 64,695 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 435,361 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.97 | 55,129 |
| Most-Visited Cities in Europe | 0 | - | 4.89 | 45,471 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 71,208 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,326 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,144 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,114 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 29,637 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 62,007 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,238 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 32,931 |
| European Coastal Capitals | 0 | - | 4.95 | 69,691 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,421 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,551 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,602 |
| Most Guessed European Capitals | 0 | - | 4.85 | 67,687 |
| Countries with Territory in the Balkans | 0 | - | 4.92 | 66,492 |
| Countries Bordering Serbia | 0 | - | 4.90 | 72,432 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.72 | 62,163 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,352 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,439 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,561 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 262,104 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 79,842 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,928 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,619 |
| European Capitals Furthest from the Sea | 0 | - | 4.94 | 53,763 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 102,240 |
| Which City in Europe? | 0 | - | 4.87 | 86,102 |
| Which City In the United Kingdom? | 0 | - | 4.95 | 64,167 |
| European Capital Superlatives - Top 2 | 0 | - | 4.92 | 55,821 |
| European Capitals Ending in N | 0 | - | 4.93 | 66,981 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 116,706 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,277 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,479 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,910 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,486 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.87 | 45,931 |
| Random European City to Country | 0 | - | 4.84 | 81,414 |
| Random European Capital to Country | 0 | - | 4.97 | 128,933 |
| Random European Country to Capital | 0 | - | 4.90 | 104,075 |
| Countries With the Most Russian Speakers | 0 | - | 4.94 | 44,902 |
| Pixelated Europe Map | 0 | - | 4.89 | 96,020 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 32,036 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,465 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 51,374 |
| Counties of the UK and Ireland | 0 | - | 4.94 | 78,391 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.94 | 65,740 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 81,214 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 93,323 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 37,700 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 74,602 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 84,913 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,734 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 45,872 |
| Random Sequential European Countries on a Map | 0 | - | 5.00 | 177,250 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.63 | 27,592 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 42,148 |
| Random European Countries on a Map | 0 | - | 4.98 | 213,364 |
| European Map without 10 Random Countries | 0 | - | 4.98 | 214,734 |
| Random African Capitals on a Map | 0 | - | 4.91 | 40,720 |
| Random European Capitals on a Map | 0 | - | 4.96 | 90,116 |
| Random U.S. State Capitals on a Map | 0 | - | 4.87 | 69,260 |
| Biggest Cities in Australia on a Map | 0 | - | 4.58 | 27,193 |
| Largest Nordic Cities on a Map | 0 | - | 4.48 | 15,636 |
| Latvia Country Quiz | 0 | - | 4.81 | 23,830 |
| Slovakia Country Quiz | 0 | - | 4.54 | 22,548 |
| Cities in Squares on a Map - North America | 0 | - | 4.26 | 16,802 |
