| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,634 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,530 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,395 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,302 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,994 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,267 |
| Random European Capital to Country | 0 | - | 4.98 | 189,709 |
| Random European Country to Capital | 0 | - | 4.92 | 147,811 |
| Europe Capital to Country | 0 | - | 4.99 | 248,748 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,032 |
| European Capitals by Map | 0 | - | 4.99 | 137,535 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,555 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,923 |
| European Coastal Capitals | 0 | - | 4.95 | 90,060 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,654 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,222 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,485 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,484 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,349 |
| Official Cities in the UK | 0 | - | 4.89 | 281,756 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,660 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,532 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,899 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,964 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,155 |
| Countries with Megacities | 0 | - | 4.99 | 248,693 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,020 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,478 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,390 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,427 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,141 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,303 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,569 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,959 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,544 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,878 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,280 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,674 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,528 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,333 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,617 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,745 |
| Random African Capital to Country | 0 | - | 4.97 | 99,990 |
| Random African Country to Capital | 0 | - | 4.94 | 70,457 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,385 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,244 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,803 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,268 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,052 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,050 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,599 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,461 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,100 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,300 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,112 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,367 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,529 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,957 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,887 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,159 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,043 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,381 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,459 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,994 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,039 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,201 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,224 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,695 |
| Name a City - European Countries | 0 | - | 4.91 | 64,777 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,208 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,629 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,929 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,709 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,137 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,194 |
| Cities in European History #1 | 0 | - | 4.63 | 133,495 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,172 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,721 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,724 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,157 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,310 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,797 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,304 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,682 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,865 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,585 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,378 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,172 |
| Largest City by Island | 0 | - | 4.87 | 71,359 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,571 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,910 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,891 |
| Megacities on a World Map | 0 | - | 4.98 | 252,166 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,164 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,003 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,312 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,454 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,415 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,997 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,035 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,692 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,054 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,651 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,916 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,630 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,502 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,864 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,739 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,992 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,498 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,019 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,366 |
| Asia Capital to Country | 0 | - | 4.96 | 126,112 |
| African Capitals by Map | 0 | - | 4.99 | 132,760 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,675 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,334 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,065 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,561 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,206 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,464 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,516 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,731 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,230 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,262 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,231 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,851 |
| Most Populous Islands | 0 | - | 4.79 | 122,171 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,229 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,444 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,686 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,767 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,750 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,994 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,411 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,122 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,370 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,050 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,706 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,082 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,533 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,868 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,403 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,278 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,915 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,050 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,901 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,042 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,931 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,456 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,226 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 93,925 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,772 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,570 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,094 |
| Capitals of the Stans | 0 | - | 4.95 | 26,585 |
| Boundary Waters | 0 | - | 4.92 | 88,197 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,937 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,604 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,747 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,077 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,992 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,141 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,675 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,260 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,061 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,935 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,189 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,691 |
| UK Immigration by Country | 0 | - | 4.94 | 140,047 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,969 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,373 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,078 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,976 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,823 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,768 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,171 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,169 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,974 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,380 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,825 |
| Biggest City by Region | 0 | - | 4.50 | 36,055 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 56,987 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,902 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,095 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,274 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,057 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,312 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,878 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,813 |
| Boroughs of London | 0 | - | 4.63 | 87,332 |
| London Geography | 0 | - | 4.47 | 59,551 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,128,223 |
| Landlocked Countries | 0 | - | 4.99 | 416,205 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 560,629 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,293 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,977 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,661 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,750 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,721 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,988 |
