| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,968 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,022 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,176 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,331 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,197 |
| Arms Exports - United States | 0 | - | 4.70 | 54,314 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,149 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,101 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,081 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,355 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,928 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,265 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,408 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,467 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,662 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,737 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,495 |
| US States Quiz | 0 | - | 5.00 | 16,691,583 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,333 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,162 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,826 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,045 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,769 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,386 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,070 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,301 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,146 |
| US States with an Empty Map | 0 | - | 5.00 | 618,517 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,874 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,775 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,451 |
| The Only European Country ... | 0 | - | 4.91 | 213,683 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,013 |
| Hindu Countries | 0 | - | 4.85 | 49,524 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,442 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,175 |
| Countries of Africa | 0 | - | 5.00 | 2,506,341 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,031 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,269 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,789 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,643 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,869 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,913 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,293 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,344 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,213 |
| Countries of the Middle East | 0 | - | 4.96 | 198,822 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,207 |
| Slavic Countries | 0 | - | 4.96 | 110,815 |
| African Island Countries | 0 | - | 4.96 | 100,732 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,156 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,655 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,430 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,021 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,565 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,659 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,720 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,131 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,128 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,252 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,528 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,209 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,368 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,194 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,469 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,284 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 104,753 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,957 |
| Rivers of the United States | 0 | - | 4.93 | 65,472 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 118,549 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,584 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,828 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,609 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,998 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,528 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,831 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,914 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,779 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,946 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,798 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,055 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,154 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,148 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,305 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,418 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,335 |
| Monarchies of Europe | 0 | - | 4.90 | 97,269 |
| Monarchies of Asia | 0 | - | 4.97 | 70,576 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,416 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,683 |
| The Only African Country ... | 0 | - | 4.99 | 128,316 |
| The Only American Country ... | 0 | - | 4.92 | 120,714 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,755 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,226 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,005 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,304 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,984 |
| Countries That Border Russia | 0 | - | 4.98 | 458,771 |
| European Countries with One Border | 0 | - | 4.97 | 181,556 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,388 |
| Countries Bordering France | 0 | - | 4.85 | 398,438 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,908 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,064 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,640 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,852 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,527 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,630 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,323 |
| O Canada Lyrics | 0 | - | 4.47 | 50,777 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,643 |
| UK Immigration by Country | 0 | - | 4.94 | 139,543 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,841 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,779 |
| Central American Countries | 0 | - | 4.98 | 154,981 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,609 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,726 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,617 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,766 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,756 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,422 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,761 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,649 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,292 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,174 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,205 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,083 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,477 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,447 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,190 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,459 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,025 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,167 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,962 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,214 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,922 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,327 |
| Biggest Trading Partners - Turkey | 0 | - | 4.80 | 50,157 |
| Biggest Trading Partners - South Africa | 0 | - | 4.80 | 40,124 |
| Germany Country Quiz | 0 | - | 4.82 | 156,476 |
| Russia Country Quiz | 0 | - | 4.85 | 113,601 |
| Italy Country Quiz | 0 | - | 4.82 | 122,141 |
| Japan Country Quiz | 0 | - | 4.92 | 141,184 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,071 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,824 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,017 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,529 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,169 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 50,593 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,998 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,258 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,464 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,004 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,070 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,452 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,209 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,416 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,673 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,710 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,424 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,010 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,167 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,173 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,988 |
| Random European Capital to Country | 0 | - | 4.98 | 189,137 |
| Random European Country to Capital | 0 | - | 4.92 | 147,388 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,328 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,361 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,578 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,018 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,775 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,387 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,816 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,059 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,127 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,239 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,332 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,187 |
| Every European Country Shape | 0 | - | 4.96 | 200,049 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,621 |
| Every African Country Shape | 0 | - | 4.90 | 86,012 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,637 |
| Countries Bordering India | 0 | - | 4.98 | 162,569 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,665 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,741 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,916 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,759 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,199 |
| Countries that Border China | 0 | - | 4.96 | 261,772 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,824 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,509 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,048 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,199 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,700 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,289 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,445 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,421 |
| Countries that Border Poland | 0 | - | 4.99 | 171,293 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,397 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,808 |
