| Countries of Europe by Population | 0 | - | 4.98 | 183,547 |
| Largest City by Island | 0 | - | 4.87 | 72,554 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,194 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,137 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,172 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,452 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,881 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,417 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,247 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,070 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,962 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,461 |
| Countries with Megacities | 0 | - | 4.99 | 267,761 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,112 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,314 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,442 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,418 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,793 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,905 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,963 |
| Biggest Cities in the World | 0 | - | 4.91 | 806,813 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,145 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,477 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,561 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,445 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,492 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,794 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,988 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,347 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,708 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,073 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,153 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,936 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,769 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,630 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,502 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,926 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,367 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,079 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,074 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,704 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,826 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,292 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,541 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,694 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 40,116 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,864 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,441 |
| Name a City - European Countries | 0 | - | 4.89 | 66,355 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,916 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,793 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,580 |
| Australia Map Quiz | 0 | - | 4.95 | 346,432 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,787 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,551 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,585 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,053 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,412 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,963 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,535 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,824 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,870 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,022 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,248 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,760 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,826 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,479 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,839 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,233 |
| Megacities on a World Map | 0 | - | 4.98 | 257,383 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,719 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,827 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,822 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,735 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 124,253 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,344 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,826 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,991 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,997 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,600 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,274 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,566 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,915 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,853 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,652 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,306 |
| Europe Capital to Country | 0 | - | 4.99 | 252,512 |
| Asia Capital to Country | 0 | - | 4.96 | 127,674 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,234 |
| European Capitals by Map | 0 | - | 4.99 | 142,455 |
| African Capitals by Map | 0 | - | 4.99 | 142,544 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,100 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,353 |
| European Coastal Capitals | 0 | - | 4.95 | 91,470 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,261 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,149 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,234 |
| African Island Countries | 0 | - | 4.96 | 102,706 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,789 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,101 |
| Islands by Country #1 | 0 | - | 4.90 | 176,475 |
| Australian States and Territories | 0 | - | 4.96 | 143,009 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,536 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,454 |
| Most Populous Islands | 0 | - | 4.80 | 123,423 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,400 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,671 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,015 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,092 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,541 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,682 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,881 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,107 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,323 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,478 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,258 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,341 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,585 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,345 |
| Official Cities in the UK | 0 | - | 4.89 | 286,773 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,235 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,533 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,604 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,350 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,708 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,283 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,473 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,652 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,051 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,805 |
| Richest Island Countries | 0 | - | 4.85 | 101,338 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,641 |
| Flags of Oceania | 0 | - | 5.00 | 263,350 |
| Capitals of the Stans | 0 | - | 4.95 | 27,221 |
| Boundary Waters | 0 | - | 4.92 | 88,828 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,455 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,814 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,522 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,051 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,072 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,853 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,362 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,022 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,038 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,900 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,689 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 103,133 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,095 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,737 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,233 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,363 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,768 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,922 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,673 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,936 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,678 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,928 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,218 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,190 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,676 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,178 |
| Biggest City by Region | 0 | - | 4.50 | 36,415 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,366 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,326 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,458 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,602 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,597 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,956,831 |
| Landlocked Countries | 0 | - | 4.99 | 427,109 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,496 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,558 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,972 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,633 |
| Palau Country Quiz | 0 | - | 4.89 | 23,159 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,803 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,362 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,685 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,201 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,163 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,505 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,930 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,592 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,403 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,025 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,231 |
| World Capitals Quiz | 0 | - | 5.00 | 5,112,641 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,573 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,926 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,160 |
| Random European Capital to Country | 0 | - | 4.98 | 192,326 |
| Random European Country to Capital | 0 | - | 4.93 | 166,055 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,081 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,545 |
| Random African Capital to Country | 0 | - | 4.97 | 101,448 |
| Random African Country to Capital | 0 | - | 4.94 | 71,869 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,315 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,529 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,979 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,496 |
