| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,835 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,250 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,409 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,558 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,575 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,343 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,141 |
| Countries with Megacities | 0 | - | 4.99 | 265,155 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,957 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,605 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,221 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,675 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,520 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,297 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,090 |
| European Countries with One Border | 0 | - | 4.97 | 183,245 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,021 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,024 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,383 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,268 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,638 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,833 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,294 |
| Countries with the Most Borders | 0 | - | 4.97 | 389,401 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,793 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,964 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,023 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,366 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,573 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,341 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,982 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,371 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,676 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,485 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,286 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,461 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,110 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,521 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,538 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,225 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,297 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,516 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,370 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,826 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,447 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,622 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,599 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,967 |
| Random Countries by Borders | 0 | - | 4.99 | 82,735 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,897 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,340 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,643 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,198 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,859 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,240 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,139 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,368 |
| Biggest Cities in the World | 0 | - | 4.91 | 802,079 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,837,899 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,503 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,629 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,904 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,484 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,719 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,586 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,725 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,659 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,809 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,987 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,946 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 132,977 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,732 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,839 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,600 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,133 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,464 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,310 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,271 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,927 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 146,496 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,328 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,902 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,186 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,498 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,284 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,385 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,914 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,022 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,424 |
| Biggest Cities in the United States | 0 | - | 4.94 | 982,149 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,018 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,828 |
| Olympic Host Countries | 0 | - | 4.98 | 201,260 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,198 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,896 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,357 |
| The Only European Country ... | 0 | - | 4.91 | 217,713 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,005 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,790 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,771 |
| Countries of Africa | 0 | - | 5.00 | 2,547,599 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,924 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,316 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,190 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,141 |
| Largest City by Island | 0 | - | 4.87 | 72,138 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,237 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,320 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,855 |
| Megacities on a World Map | 0 | - | 4.98 | 255,656 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,964 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,568 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,290 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,432 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,837 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,707 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,669 |
| Countries of the Middle East | 0 | - | 4.96 | 201,863 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,692 |
| Slavic Countries | 0 | - | 4.96 | 111,990 |
| African Island Countries | 0 | - | 4.96 | 101,966 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,998 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,788 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 51,359 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,834 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,343 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,888 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,999 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,858 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,748 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,502 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,045 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,111 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,753 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,463 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,550 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,878 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,582 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,434 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,305 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,501 |
| Bordering Countries by HDI Difference | 0 | - | 4.89 | 52,029 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,441 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,581 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,838 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,463 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,169 |
| Most Populous Islands | 0 | - | 4.80 | 123,103 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,333 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,586 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,215 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,653 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,498 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,259 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,018 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,163 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,836 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,258 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,411 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,190 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,654 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,348 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,272 |
| Monarchies of Europe | 0 | - | 4.90 | 98,443 |
| Monarchies of Asia | 0 | - | 4.97 | 71,290 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,551 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,075 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,683 |
| Countries that Start with A | 0 | - | 4.98 | 2,168,459 |
| Countries that Start with B | 0 | - | 4.95 | 2,299,627 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,272 |
| Countries that Start with D | 0 | - | 4.96 | 712,691 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,714 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,976 |
| Countries that Start with H | 0 | - | 4.96 | 606,888 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,099 |
| Countries that Start with J | 0 | - | 4.98 | 604,432 |
| Countries that Start with K | 0 | - | 4.97 | 818,021 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,442 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,494 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,822 |
| Countries that Start with S | 0 | - | 4.98 | 1,758,610 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,870 |
| Countries that Start with U | 0 | - | 4.97 | 906,112 |
| Countries that Start with V | 0 | - | 4.98 | 610,496 |
| Countries that Start with F | 0 | - | 4.83 | 619,258 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,695 |
| The Only African Country ... | 0 | - | 4.99 | 129,346 |
| The Only American Country ... | 0 | - | 4.92 | 121,888 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,244 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,188 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,507 |
| Walking Across Borders with Hints #1 | 0 | - | 4.94 | 109,109 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,737 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,936 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,127 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,963 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,356 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,471 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,653 |
