| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,954 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,993 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,848 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,985 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,829 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,060 |
| Random European Capital to Country | 0 | - | 4.98 | 189,206 |
| Random European Country to Capital | 0 | - | 4.92 | 147,447 |
| Europe Capital to Country | 0 | - | 4.99 | 247,835 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,451 |
| European Capitals by Map | 0 | - | 4.99 | 136,265 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,183 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,608 |
| European Coastal Capitals | 0 | - | 4.95 | 89,752 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,798 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,607 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,976 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,872 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,025 |
| Official Cities in the UK | 0 | - | 4.89 | 280,536 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,121 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,702 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,763 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,175 |
| Countries with Megacities | 0 | - | 4.99 | 246,850 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,091 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,952 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,507 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,839 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,470 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,794 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,199 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,934 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,835 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,665 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,989 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,612 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,337 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,197 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,398 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,410 |
| Random African Capital to Country | 0 | - | 4.97 | 99,738 |
| Random African Country to Capital | 0 | - | 4.94 | 70,229 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,113 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,835 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,913 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,877 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,477 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,599 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,261 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,149 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,643 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,672 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,914 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,853 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,030 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,487 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,515 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,607 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,580 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,053 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,157 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,742 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,682 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,526 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,617 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,776 |
| Name a City - European Countries | 0 | - | 4.92 | 64,386 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,208 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,878 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,398 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,430 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,829 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,264 |
| Cities in European History #1 | 0 | - | 4.63 | 133,121 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,818 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,223 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,653 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,087 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,138 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,331 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,922 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,401 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,588 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,299 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,457 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,850 |
| Largest City by Island | 0 | - | 4.87 | 71,041 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,393 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,548 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,437 |
| Megacities on a World Map | 0 | - | 4.98 | 250,940 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,229 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,796 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,864 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,741 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,297 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,942 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,018 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,766 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,146 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,466 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,292 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,267 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,607 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,562 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,809 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,213 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,354 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,817 |
| Asia Capital to Country | 0 | - | 4.96 | 125,756 |
| African Capitals by Map | 0 | - | 4.99 | 132,176 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,185 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,796 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,422 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,432 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,111 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,095 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,597 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,110 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,918 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,005 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,331 |
| Most Populous Islands | 0 | - | 4.79 | 121,988 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,201 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,404 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,608 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,722 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,396 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,844 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,140 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,931 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,036 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,320 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,562 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,506 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,295 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,592 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,321 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,184 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,643 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,794 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,240 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,862 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,668 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,178 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,152 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,766 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,450 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,085 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,150 |
| Capitals of the Stans | 0 | - | 4.95 | 26,407 |
| Boundary Waters | 0 | - | 4.92 | 88,040 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,814 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,279 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,289 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,832 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,949 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,534 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,115 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,584 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,371 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,748 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,398 |
| UK Immigration by Country | 0 | - | 4.94 | 139,637 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,660 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,856 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,909 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,257 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,144 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,276 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,454 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,911 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,905 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,226 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,703 |
| Biggest City by Region | 0 | - | 4.50 | 35,994 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,900 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,856 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,018 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,221 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,920 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,256 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,812 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,778 |
| Boroughs of London | 0 | - | 4.63 | 87,048 |
| London Geography | 0 | - | 4.47 | 59,463 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,916,037 |
| Landlocked Countries | 0 | - | 4.99 | 413,559 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,877 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,129 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,793 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,271 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,445 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,288 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,730 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,780 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,428 |
