| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,140 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,669 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,080 |
| Countries with Megacities | 0 | - | 4.99 | 260,877 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,935 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,020 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,214 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,034 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,540 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,791 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,571 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,465 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,696 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,289 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,389 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,944 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,258 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,422 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,513 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,257 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,739 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,994 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,188 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,833 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,781 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,125 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,100 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,546 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,175 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,456 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,100 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,808 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,940 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,701 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,937 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,508 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,561 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,076 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,668 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,363 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,070 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,738 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,325 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,606 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,093 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,967 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,773 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,145 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,342 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,805 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,415 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,027 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,170 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,815 |
| Name a Valid African Country | 0 | - | 4.98 | 153,831 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,408 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,950 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,430 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,538 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,836 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,751 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,536 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,004 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,287 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,966 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,994 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,442 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,246 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,585 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,530 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,713 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,812 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 62,272 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,409 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,908 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,014 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,617 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,417 |
| Random Country to Capital | 0 | - | 4.98 | 918,724 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,618 |
| Olympic Host Countries | 0 | - | 4.98 | 200,433 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,654 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,905 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,243 |
| The Only European Country ... | 0 | - | 4.91 | 216,087 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,837 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,829 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,593 |
| Countries of Africa | 0 | - | 5.00 | 2,531,244 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,598 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,492 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,707 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,313 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,174 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,805 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,222 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,080 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,058 |
| Largest City by Island | 0 | - | 4.87 | 71,708 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,804 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,705 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,277 |
| Megacities on a World Map | 0 | - | 4.98 | 253,550 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,170 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,232 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,742 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,281 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,110 |
| Capital Cities Chain | 0 | - | 4.83 | 82,529 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,714 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,250 |
| Countries of the Middle East | 0 | - | 4.96 | 200,821 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,049 |
| Slavic Countries | 0 | - | 4.96 | 111,517 |
| Countries by Emojis | 0 | - | 4.99 | 238,885 |
| African Island Countries | 0 | - | 4.96 | 101,470 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,749 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,808 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,845 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,646 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,974 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,695 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,317 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,241 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,917 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,719 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,469 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,570 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,529 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,112 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,014 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,430 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,051 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,999 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,846 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,119 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,988 |
| Most Populous Islands | 0 | - | 4.80 | 122,813 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,279 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,510 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,920 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,379 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,687 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,911 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,882 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,149 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,827 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,646 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,702 |
| World Capitals - One Minute Sprint | 0 | - | 4.20 | 234,946 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,324 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,763 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,660 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,322 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,960 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,523 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,095 |
| Monarchies of Europe | 0 | - | 4.90 | 97,987 |
| Monarchies of Asia | 0 | - | 4.97 | 70,998 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,285 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,790 |
| Athletes by Country Quiz #1 | 0 | - | 4.36 | 45,350 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,003 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,403 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,403 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,371 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,583 |
| Countries that Start with D | 0 | - | 4.96 | 707,889 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,158 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,838 |
| Countries that Start with H | 0 | - | 4.96 | 603,331 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,415 |
| Countries that Start with J | 0 | - | 4.98 | 601,158 |
| Countries that Start with K | 0 | - | 4.97 | 814,477 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,150 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,114 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,603 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,712 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,661 |
| Countries that Start with U | 0 | - | 4.97 | 903,516 |
| Countries that Start with V | 0 | - | 4.98 | 608,558 |
| Countries that Start with F | 0 | - | 4.83 | 616,475 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,899 |
| The Only African Country ... | 0 | - | 4.98 | 128,973 |
| The Only American Country ... | 0 | - | 4.92 | 121,431 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,071 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,680 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,710 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,295 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,810 |
| European Countries with One Border | 0 | - | 4.97 | 182,550 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,362 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,033 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,297 |
| Boundary Waters | 0 | - | 4.92 | 88,388 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,092 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,720 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,931 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,761 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,773 |
