| Costa Rica Country Quiz | 0 | - | 4.75 | 31,919 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,103 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,348 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,444 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,085 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,289 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,399 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,342 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,465 |
| US States Quiz | 0 | - | 5.00 | 16,706,612 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,786 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,219 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,982 |
| Central American Countries | 0 | - | 4.98 | 155,085 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,923 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,083 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,996 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,117 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,608 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,556 |
| Countries of Africa | 0 | - | 5.00 | 2,508,786 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,127 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,176 |
| Panama Country Quiz | 0 | - | 4.61 | 25,612 |
| US States with an Empty Map | 0 | - | 5.00 | 619,020 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,519,217 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,105 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,067 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,840 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,630 |
| The Only European Country ... | 0 | - | 4.91 | 213,941 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,206 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,609 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,230 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,621 |
| Countries that Beat China | 0 | - | 4.86 | 114,743 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,929 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,906 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,816 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,766 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,621 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,984 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,168 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,402 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,415 |
| Countries of the Middle East | 0 | - | 4.96 | 198,998 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,292 |
| Slavic Countries | 0 | - | 4.96 | 110,883 |
| African Island Countries | 0 | - | 4.96 | 100,818 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,509 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,099 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,760 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,520 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,168 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,660 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,734 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,802 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,165 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,189 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,318 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,604 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,307 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,445 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,284 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,517 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,427 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,272 |
| Rivers of the United States | 0 | - | 4.93 | 65,538 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,380,751 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,893 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,682 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,099 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,559 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,024 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,044 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,885 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,020 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,835 |
| Random U.S. City to State | 0 | - | 4.45 | 75,358 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,410 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,230 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,367 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,384 |
| Monarchies of Europe | 0 | - | 4.90 | 97,349 |
| Monarchies of Asia | 0 | - | 4.97 | 70,613 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,441 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,834 |
| The Only African Country ... | 0 | - | 4.99 | 128,389 |
| The Only American Country ... | 0 | - | 4.92 | 120,782 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,787 |
| Which South American Country? | 0 | - | 4.69 | 51,727 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,262 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,063 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,429 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,077 |
| European Countries with One Border | 0 | - | 4.97 | 181,666 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,569 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,133 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,115 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,099 |
| Peru Country Quiz | 0 | - | 4.54 | 48,315 |
| Chile Country Quiz | 0 | - | 4.75 | 39,741 |
| Belize Country Quiz | 0 | - | 4.85 | 20,809 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,227 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,888 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,315 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,670 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,536 |
| O Canada Lyrics | 0 | - | 4.47 | 50,788 |
| UK Immigration by Country | 0 | - | 4.94 | 139,695 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,680 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,949 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,308 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,879 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,023 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,294 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,384 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,273 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,107 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,820 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,790 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,479 |
| Arms Exports - United States | 0 | - | 4.70 | 54,377 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,237 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,274 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,141 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,507 |
| Countries That Border Russia | 0 | - | 4.98 | 458,996 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,515 |
| Countries Bordering France | 0 | - | 4.83 | 399,422 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,133 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,230 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,528 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,199 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,222 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,992 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,257 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,362 |
| Germany Country Quiz | 0 | - | 4.82 | 156,607 |
| Russia Country Quiz | 0 | - | 4.85 | 113,667 |
| Italy Country Quiz | 0 | - | 4.82 | 122,254 |
| Japan Country Quiz | 0 | - | 4.92 | 141,309 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,233 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,869 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,827 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,045 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,058 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,347 |
| Syria Country Quiz | 0 | - | 4.81 | 32,353 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,500 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,402 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,991 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,839 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,453 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,627 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,260 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,310 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,477 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,755 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,812 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,539 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,552 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,160 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,960 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,492 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,099 |
| Random European Capital to Country | 0 | - | 4.98 | 189,272 |
| Random European Country to Capital | 0 | - | 4.92 | 147,495 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,425 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,452 |
| Random African Country to Capital | 0 | - | 4.94 | 70,245 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,340 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,799 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,871 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,081 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,164 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,295 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,562 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,407 |
| Every European Country Shape | 0 | - | 4.96 | 200,244 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,736 |
| Every African Country Shape | 0 | - | 4.90 | 86,150 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,118 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,190 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,182 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,710 |
| Countries Bordering India | 0 | - | 4.98 | 162,623 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,716 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,799 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,939 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,803 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,226 |
| Countries that Border China | 0 | - | 4.96 | 261,860 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,862 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,545 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,098 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,246 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,776 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,312 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,512 |
