| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,965 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,991 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,158 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,328 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,188 |
| Arms Exports - United States | 0 | - | 4.70 | 54,303 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,145 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,094 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,071 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,336 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,924 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,250 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,400 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,461 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,654 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,725 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,493 |
| US States Quiz | 0 | - | 5.00 | 16,688,853 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,329 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,136 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,819 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,037 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,716 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,368 |
| Countries of Africa | 0 | - | 5.00 | 2,505,966 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,060 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,291 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,142 |
| US States with an Empty Map | 0 | - | 5.00 | 618,437 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,848 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,765 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,431 |
| The Only European Country ... | 0 | - | 4.91 | 213,638 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,978 |
| Hindu Countries | 0 | - | 4.85 | 49,501 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,422 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,012 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,262 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,784 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,624 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,849 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,869 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,266 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,220 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,171 |
| Countries of the Middle East | 0 | - | 4.96 | 198,794 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,199 |
| Slavic Countries | 0 | - | 4.96 | 110,807 |
| African Island Countries | 0 | - | 4.96 | 100,715 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,008 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,636 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,417 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,996 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,540 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,645 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,710 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,128 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,117 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,242 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,514 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,196 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,353 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,177 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,459 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,264 |
| Rivers of the United States | 0 | - | 4.93 | 65,461 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,545 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,548 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,817 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,594 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,979 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,524 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,811 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,893 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,752 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,940 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,788 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,012 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,138 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,133 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,296 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,297 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,405 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,329 |
| Monarchies of Europe | 0 | - | 4.90 | 97,259 |
| Monarchies of Asia | 0 | - | 4.97 | 70,564 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,409 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,658 |
| The Only African Country ... | 0 | - | 4.99 | 128,309 |
| The Only American Country ... | 0 | - | 4.92 | 120,699 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,753 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,222 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,991 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,285 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,970 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 104,748 |
| European Countries with One Border | 0 | - | 4.97 | 181,534 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,246 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,055 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,638 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,837 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,951 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,476 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,620 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,286 |
| O Canada Lyrics | 0 | - | 4.47 | 50,773 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,633 |
| UK Immigration by Country | 0 | - | 4.94 | 139,533 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,834 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,757 |
| Central American Countries | 0 | - | 4.98 | 154,962 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,593 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,708 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,389 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,758 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,742 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,412 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,759 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,627 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,277 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,163 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,199 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,069 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,471 |
| Countries That Border Russia | 0 | - | 4.98 | 458,712 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,436 |
| Countries Bordering France | 0 | - | 4.85 | 398,140 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,874 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,187 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,452 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 70,978 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,159 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,959 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,209 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,326 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,153 |
| Biggest Trading Partners - South Africa | 0 | - | 4.80 | 40,120 |
| Germany Country Quiz | 0 | - | 4.82 | 156,466 |
| Russia Country Quiz | 0 | - | 4.85 | 113,596 |
| Italy Country Quiz | 0 | - | 4.82 | 122,135 |
| Japan Country Quiz | 0 | - | 4.92 | 141,172 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,053 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,815 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,015 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,144 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,160 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,754 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,108 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,253 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,460 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 37,999 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,065 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,367 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,189 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,409 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,653 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,696 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,396 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,827 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,164 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,166 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,982 |
| Random European Capital to Country | 0 | - | 4.98 | 189,122 |
| Random European Country to Capital | 0 | - | 4.92 | 147,379 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,311 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,353 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,578 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,016 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,771 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,381 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,803 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,058 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,124 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,234 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,294 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,159 |
| Every European Country Shape | 0 | - | 4.96 | 200,003 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,576 |
| Every African Country Shape | 0 | - | 4.90 | 85,960 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,631 |
| Countries Bordering India | 0 | - | 4.98 | 162,562 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,653 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,724 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,912 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,754 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,194 |
| Countries that Border China | 0 | - | 4.96 | 261,755 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,806 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,503 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,038 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,194 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,690 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,287 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,436 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,407 |
| Countries that Border Poland | 0 | - | 4.99 | 171,281 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,367 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,793 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,909 |
