| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,559 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,989 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,240 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,408 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,855 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,673 |
| Countries with Megacities | 0 | - | 4.99 | 263,978 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,515 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,351 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,784 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,407 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,808 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,624 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,728 |
| European Countries with One Border | 0 | - | 4.97 | 182,921 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,708 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,801 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,990 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,005 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,465 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,623 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,142 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,754 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,082 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,744 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,936 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,094 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,392 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,250 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,818 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,286 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,591 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,322 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,059 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,222 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,935 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,276 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,285 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,951 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 415,464 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,066 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,997 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,460 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,041 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,487 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,378 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,821 |
| Random Countries by Borders | 0 | - | 4.99 | 82,520 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,846 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,254 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,506 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,178 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,505 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,088 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,024 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,904 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,757 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,831,461 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,516 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,542 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,760 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,296 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,373 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,178 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,334 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,571 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,418 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,899 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,589 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,689 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,491 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,784 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,218 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,956 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,131 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,798 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,474 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,553 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,310 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,962 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,644 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,115 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,095 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,967 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,178 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,690 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,753 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,693 |
| Biggest Cities in the United States | 0 | - | 4.94 | 979,500 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,420 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,254 |
| Olympic Host Countries | 0 | - | 4.98 | 200,919 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,936 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,423 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,969 |
| The Only European Country ... | 0 | - | 4.91 | 216,971 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,495 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,332 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,693 |
| Countries of Africa | 0 | - | 5.00 | 2,540,425 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,880 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,272 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,836 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,717 |
| Largest City by Island | 0 | - | 4.87 | 71,965 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,068 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,062 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,637 |
| Megacities on a World Map | 0 | - | 4.98 | 254,922 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,746 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,424 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,049 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,892 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,891 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,510 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,516 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,968 |
| Countries of the Middle East | 0 | - | 4.96 | 201,337 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,396 |
| Slavic Countries | 0 | - | 4.96 | 111,754 |
| African Island Countries | 0 | - | 4.96 | 101,721 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,916 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,396 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,191 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,362 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,015 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,595 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,655 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,683 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,335 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,139 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,764 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,841 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,662 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,295 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,290 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,664 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,329 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,232 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,077 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,336 |
| Bordering Countries by HDI Difference | 0 | - | 4.88 | 51,962 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,237 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,459 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,614 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,321 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,090 |
| Most Populous Islands | 0 | - | 4.80 | 122,974 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,312 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,546 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,047 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,381 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,163 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,147 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,971 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,168 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,528 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,093 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,242 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,967 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,396 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,188 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,138 |
| Monarchies of Europe | 0 | - | 4.90 | 98,223 |
| Monarchies of Asia | 0 | - | 4.97 | 71,135 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,438 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,942 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,043 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,375 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,021 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,364 |
| Countries that Start with D | 0 | - | 4.96 | 710,577 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,223 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,463 |
| Countries that Start with H | 0 | - | 4.96 | 605,426 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,129 |
| Countries that Start with J | 0 | - | 4.98 | 603,080 |
| Countries that Start with K | 0 | - | 4.97 | 816,530 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,553 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,564 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,979 |
| Countries that Start with S | 0 | - | 4.98 | 1,755,997 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,518 |
| Countries that Start with U | 0 | - | 4.97 | 905,047 |
| Countries that Start with V | 0 | - | 4.98 | 609,706 |
| Countries that Start with F | 0 | - | 4.83 | 618,132 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,608 |
| The Only African Country ... | 0 | - | 4.99 | 129,186 |
| The Only American Country ... | 0 | - | 4.92 | 121,700 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,154 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,105 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,403 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 109,002 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,632 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,824 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,941 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,677 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,097 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,275 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,530 |
