| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,953 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,935 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,086 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,289 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,155 |
| Arms Exports - United States | 0 | - | 4.70 | 54,265 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,127 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,038 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,042 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,270 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,889 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,189 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,366 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,414 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,641 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,681 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,477 |
| US States Quiz | 0 | - | 5.00 | 16,678,729 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,312 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,071 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,777 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,999 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,519 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,308 |
| Countries of Africa | 0 | - | 5.00 | 2,504,315 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,045 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,272 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,127 |
| US States with an Empty Map | 0 | - | 5.00 | 618,096 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,731 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,711 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,330 |
| The Only European Country ... | 0 | - | 4.91 | 213,485 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,829 |
| Hindu Countries | 0 | - | 4.85 | 49,444 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,312 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,155 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,912 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,249 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,762 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,535 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,787 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,691 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,212 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,580 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,027 |
| Countries of the Middle East | 0 | - | 4.96 | 198,698 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,136 |
| Slavic Countries | 0 | - | 4.96 | 110,769 |
| African Island Countries | 0 | - | 4.96 | 100,653 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,427 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,585 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,359 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,911 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,476 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,580 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,672 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,108 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,071 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,190 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,462 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,146 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,318 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,128 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,416 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,210 |
| Rivers of the United States | 0 | - | 4.93 | 65,424 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,528 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,433 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,778 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,555 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,934 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,506 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,707 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,803 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,683 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,897 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,764 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,799 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,094 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,099 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,247 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,257 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,352 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,294 |
| Monarchies of Europe | 0 | - | 4.90 | 97,207 |
| Monarchies of Asia | 0 | - | 4.97 | 70,538 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,377 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,537 |
| The Only African Country ... | 0 | - | 4.99 | 128,260 |
| The Only American Country ... | 0 | - | 4.92 | 120,657 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,734 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,200 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,956 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,210 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,921 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 104,713 |
| European Countries with One Border | 0 | - | 4.97 | 181,448 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,966 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,009 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,611 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,784 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,922 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,357 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,591 |
| U.S. States that Border Canada | 0 | - | 4.91 | 181,879 |
| O Canada Lyrics | 0 | - | 4.47 | 50,764 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,608 |
| UK Immigration by Country | 0 | - | 4.94 | 139,488 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,818 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,691 |
| Central American Countries | 0 | - | 4.98 | 154,912 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,511 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,668 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,947 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,722 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,705 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,372 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,753 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,559 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,199 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,122 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,164 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,027 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,449 |
| Countries That Border Russia | 0 | - | 4.98 | 458,526 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,420 |
| Countries Bordering France | 0 | - | 4.85 | 396,224 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,679 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,169 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,418 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 70,797 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,114 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,943 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,192 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,313 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,116 |
| Biggest Trading Partners - South Africa | 0 | - | 4.80 | 40,111 |
| Germany Country Quiz | 0 | - | 4.82 | 156,402 |
| Russia Country Quiz | 0 | - | 4.85 | 113,554 |
| Italy Country Quiz | 0 | - | 4.82 | 122,072 |
| Japan Country Quiz | 0 | - | 4.92 | 141,114 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 137,970 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,788 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 34,997 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,193 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,144 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,727 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,082 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,236 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,452 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 37,978 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,051 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,022 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,125 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,363 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,605 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,618 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,306 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,042 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,148 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,151 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,951 |
| Random European Capital to Country | 0 | - | 4.98 | 189,051 |
| Random European Country to Capital | 0 | - | 4.92 | 147,334 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,265 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,328 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,567 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,006 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,754 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,350 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,775 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,040 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,100 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,199 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,143 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,035 |
| Every European Country Shape | 0 | - | 4.95 | 199,840 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,490 |
| Every African Country Shape | 0 | - | 4.90 | 85,858 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,605 |
| Countries Bordering India | 0 | - | 4.98 | 162,537 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,602 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,646 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,874 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,721 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,182 |
| Countries that Border China | 0 | - | 4.96 | 261,670 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,779 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,476 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,010 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,135 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,645 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,279 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,331 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,360 |
| Countries that Border Poland | 0 | - | 4.99 | 171,205 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,281 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,710 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,871 |
