| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,906 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,575 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,691 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,204 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,085 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,400 |
| African Capitals by Map | 0 | - | 4.99 | 132,246 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,445 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,042 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,069 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,026 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,847 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,456 |
| Countries with Megacities | 0 | - | 4.99 | 247,281 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,290 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,099 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,722 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,022 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,608 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,787 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,811 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,936 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,146 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,881 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,036 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,944 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,520 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,663 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,337 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,697 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,748 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,056 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,922 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,161 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,538 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,559 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,639 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,083 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,205 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,776 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,727 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,582 |
| Name a City - European Countries | 0 | - | 4.92 | 64,473 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,860 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,988 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,805 |
| Biggest Cities in the United States | 0 | - | 4.93 | 967,219 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,945 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,250 |
| Countries of Africa | 0 | - | 5.00 | 2,509,317 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,670 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,098 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,467 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,593 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,298 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,309 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,175 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,406 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,011 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,458 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,645 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,338 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,569 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,900 |
| Largest City by Island | 0 | - | 4.87 | 71,077 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,415 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,593 |
| Biggest European Cities by Century | 0 | - | 4.98 | 144,017 |
| Megacities on a World Map | 0 | - | 4.98 | 251,096 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,488 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,823 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,903 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,856 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,209 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,541 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,354 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,329 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,667 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,609 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,860 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,269 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,905 |
| Europe Capital to Country | 0 | - | 4.99 | 248,032 |
| Asia Capital to Country | 0 | - | 4.96 | 125,799 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,549 |
| European Capitals by Map | 0 | - | 4.99 | 136,450 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,230 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,262 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,675 |
| European Coastal Capitals | 0 | - | 4.95 | 89,827 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,207 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,943 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,947 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,441 |
| African Island Countries | 0 | - | 4.96 | 100,833 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,176 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,180 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,202 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,685 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,620 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,324 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,526 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,454 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,771 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,623 |
| Boundary Waters | 0 | - | 4.92 | 88,064 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,830 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,325 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,349 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,864 |
| Most Populous Islands | 0 | - | 4.79 | 122,012 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,207 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,409 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,627 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,727 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,453 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,869 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,179 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,965 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,086 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,439 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,582 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,201 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,560 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,320 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,641 |
| Official Cities in the UK | 0 | - | 4.89 | 280,726 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,476 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,997 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,700 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,453 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,174 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,215 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,746 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,517 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,804 |
| The Only African Country ... | 0 | - | 4.99 | 128,394 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,789 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,272 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,142 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,113 |
| Capitals of the Stans | 0 | - | 4.95 | 26,442 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,944,310 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 111,125 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,985 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,954 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,915 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,724 |
| Biggest City by Region | 0 | - | 4.50 | 36,005 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,912 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,552 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,136 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,560 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,649 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,025 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,229 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,935 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,853 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,263 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,272 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,069 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,453 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,810 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,429 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,984 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,698 |
| Landlocked Countries | 0 | - | 4.99 | 413,873 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,400 |
| Name a Valid African Country | 0 | - | 4.98 | 152,994 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,831 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,067 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,505 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,072 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,189 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,037 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,151 |
| Population Trivia | 0 | - | 4.32 | 27,425 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,329 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,493 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,356 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,772 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,835 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,558 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,565 |
| World Capitals Quiz | 0 | - | 5.00 | 5,033,491 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,513 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,215 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,117 |
| Random European Capital to Country | 0 | - | 4.98 | 189,308 |
| Random European Country to Capital | 0 | - | 4.92 | 147,522 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,434 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,488 |
| Random African Capital to Country | 0 | - | 4.97 | 99,755 |
| Random African Country to Capital | 0 | - | 4.94 | 70,251 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,823 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,701 |
| Himalayan Countries | 0 | - | 4.95 | 135,458 |
| Andean Countries | 0 | - | 4.94 | 82,869 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,261 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,268 |
