| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,316 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,620 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,758 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,669 |
| African Capitals by Map | 0 | - | 4.99 | 133,779 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,943 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,866 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,838 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,822 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,423 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,168 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,209 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,543 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,304 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,440 |
| Countries with Megacities | 0 | - | 4.99 | 263,311 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,281 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,232 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,577 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,271 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,710 |
| Nigeria Country Quiz | 0 | - | 4.75 | 46,968 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,810 |
| Liberia Country Quiz | 0 | - | 4.85 | 21,898 |
| Mali Country Quiz | 0 | - | 4.83 | 24,803 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,891 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,714 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,784 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,893 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,390 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,531 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,604 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,563 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,075 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,929 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,528 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,016 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,322 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,814 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,800 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,509 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,587 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,882 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,574 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,037 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,472 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,622 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,312 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,300 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,133 |
| Name a City - European Countries | 0 | - | 4.90 | 65,369 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,796 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,828 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,824 |
| Countries of Africa | 0 | - | 5.00 | 2,536,852 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,874 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,884 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,611 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,855 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,250 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,604 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,437 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,880 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,148 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,310 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,885 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,522 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,390 |
| Largest City by Island | 0 | - | 4.87 | 71,862 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,971 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,941 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,496 |
| Megacities on a World Map | 0 | - | 4.98 | 254,488 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,120 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,337 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,918 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,640 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,355 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,984 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,270 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,192 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,739 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,248 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,537 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,240 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,083 |
| Europe Capital to Country | 0 | - | 4.99 | 250,105 |
| Asia Capital to Country | 0 | - | 4.96 | 126,656 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,864 |
| European Capitals by Map | 0 | - | 4.99 | 139,138 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,386 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,060 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,409 |
| European Coastal Capitals | 0 | - | 4.95 | 90,587 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,585 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,977 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,986 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,826 |
| African Island Countries | 0 | - | 4.96 | 101,629 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,956 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,117 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,500 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,971 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,574 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,228 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,259 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,969 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,237 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,262 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,935 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,221 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,960 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,065 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,596 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,403 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,964 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,737 |
| Official Cities in the UK | 0 | - | 4.89 | 283,700 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,382 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,777 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,467 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,030 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,256 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,826 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,170 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,359 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,280 |
| The Only African Country ... | 0 | - | 4.99 | 129,097 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,123 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,776 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,199 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,858 |
| Most Populous Islands | 0 | - | 4.80 | 122,922 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,302 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,531 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,813 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,846 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,218 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,412 |
| Capitals of the Stans | 0 | - | 4.95 | 26,840 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,429 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,904 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,526 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,332 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,784 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,321 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,141 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,638 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,824 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,787 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,092 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,363 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,150 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,592 |
| Name a Valid African Country | 0 | - | 4.98 | 154,068 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,068 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,484 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,793 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,358 |
| Boundary Waters | 0 | - | 4.92 | 88,461 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,160 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,079 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,434 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,458 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,675 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,134 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,563 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,086 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,979 |
| Biggest City by Region | 0 | - | 4.50 | 36,218 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,136 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,288 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,279 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,401 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,184 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,349 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,250 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.88 | 80,949 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,787 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,828 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 62,227 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,414 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,656 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,466 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,518 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,653 |
| Random European Capital to Country | 0 | - | 4.98 | 190,896 |
| Random European Country to Capital | 0 | - | 4.93 | 165,116 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,450 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,751 |
| Random African Capital to Country | 0 | - | 4.97 | 100,714 |
| Random African Country to Capital | 0 | - | 4.94 | 71,200 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,150 |
| Which City in Africa? | 0 | - | 4.77 | 57,826 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,451,143 |
| Landlocked Countries | 0 | - | 4.99 | 420,410 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,270 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,156 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,524 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,868 |
