| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,968 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,006 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,166 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,329 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,193 |
| Arms Exports - United States | 0 | - | 4.70 | 54,307 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,147 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,099 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,074 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,348 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,925 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,257 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,404 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,463 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,659 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,727 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,494 |
| US States Quiz | 0 | - | 5.00 | 16,689,996 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,330 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,150 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,824 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,039 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,741 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,377 |
| Countries of Africa | 0 | - | 5.00 | 2,506,146 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,063 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,298 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,145 |
| US States with an Empty Map | 0 | - | 5.00 | 618,474 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,857 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,767 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,441 |
| The Only European Country ... | 0 | - | 4.91 | 213,659 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,995 |
| Hindu Countries | 0 | - | 4.85 | 49,510 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,428 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,172 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,019 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,267 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,787 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,630 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,855 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,891 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,277 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,265 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,184 |
| Countries of the Middle East | 0 | - | 4.96 | 198,807 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,202 |
| Slavic Countries | 0 | - | 4.96 | 110,810 |
| African Island Countries | 0 | - | 4.96 | 100,724 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,093 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,647 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,424 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,007 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,553 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,651 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,715 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,129 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,124 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,246 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,520 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,200 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,360 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,187 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,463 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,273 |
| Rivers of the United States | 0 | - | 4.93 | 65,466 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,547 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,570 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,820 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,598 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,987 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,524 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,824 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,903 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,765 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,943 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,793 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,038 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,146 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,139 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,299 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,300 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,411 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,332 |
| Monarchies of Europe | 0 | - | 4.90 | 97,264 |
| Monarchies of Asia | 0 | - | 4.97 | 70,567 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,412 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,673 |
| The Only African Country ... | 0 | - | 4.99 | 128,313 |
| The Only American Country ... | 0 | - | 4.92 | 120,708 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,754 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,224 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,995 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,296 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,979 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 104,751 |
| European Countries with One Border | 0 | - | 4.97 | 181,542 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,318 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,057 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,638 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,845 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,956 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,501 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,623 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,308 |
| O Canada Lyrics | 0 | - | 4.47 | 50,776 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,636 |
| UK Immigration by Country | 0 | - | 4.94 | 139,537 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,838 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,767 |
| Central American Countries | 0 | - | 4.98 | 154,967 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,602 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,714 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,499 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,760 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,747 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,416 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,759 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,635 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,286 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,167 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,201 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,077 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,475 |
| Countries That Border Russia | 0 | - | 4.98 | 458,740 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,439 |
| Countries Bordering France | 0 | - | 4.85 | 398,266 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,893 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,189 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,453 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 70,994 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,162 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,960 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,211 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,326 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,155 |
| Biggest Trading Partners - South Africa | 0 | - | 4.80 | 40,120 |
| Germany Country Quiz | 0 | - | 4.82 | 156,471 |
| Russia Country Quiz | 0 | - | 4.85 | 113,599 |
| Italy Country Quiz | 0 | - | 4.82 | 122,138 |
| Japan Country Quiz | 0 | - | 4.92 | 141,178 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,059 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,818 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,016 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,325 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,164 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 50,200 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,418 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,257 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,462 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,002 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,068 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,405 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,196 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,411 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,661 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,702 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,409 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,893 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,165 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,168 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,986 |
| Random European Capital to Country | 0 | - | 4.98 | 189,128 |
| Random European Country to Capital | 0 | - | 4.92 | 147,383 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,319 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,357 |
| 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 | 70,774 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,385 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,808 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,058 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,125 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,236 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,314 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,173 |
| Every European Country Shape | 0 | - | 4.96 | 200,021 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,598 |
| Every African Country Shape | 0 | - | 4.90 | 85,973 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,635 |
| Countries Bordering India | 0 | - | 4.98 | 162,565 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,658 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,734 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,914 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,756 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,196 |
| Countries that Border China | 0 | - | 4.96 | 261,757 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,815 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,508 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,043 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,194 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,694 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,287 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,439 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,415 |
| Countries that Border Poland | 0 | - | 4.99 | 171,284 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,385 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,800 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,915 |
