| Costa Rica Country Quiz | 0 | - | 4.75 | 31,914 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,003 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,340 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,436 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,074 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,286 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,385 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,331 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,454 |
| US States Quiz | 0 | - | 5.00 | 16,704,514 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,746 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,204 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,979 |
| Central American Countries | 0 | - | 4.98 | 155,078 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,884 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,069 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,989 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,078 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,585 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,534 |
| Countries of Africa | 0 | - | 5.00 | 2,508,451 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,123 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,170 |
| Panama Country Quiz | 0 | - | 4.61 | 25,609 |
| US States with an Empty Map | 0 | - | 5.00 | 618,937 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,965 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,100 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,043 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,833 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,602 |
| The Only European Country ... | 0 | - | 4.91 | 213,907 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,180 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,584 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,218 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,596 |
| Countries that Beat China | 0 | - | 4.86 | 114,736 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,915 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,898 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,810 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,742 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,601 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,970 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,138 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,385 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,390 |
| Countries of the Middle East | 0 | - | 4.96 | 198,958 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,283 |
| Slavic Countries | 0 | - | 4.96 | 110,874 |
| African Island Countries | 0 | - | 4.96 | 100,804 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,504 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,936 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,738 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,507 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,146 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,644 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,727 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,790 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,162 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,180 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,307 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,595 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,294 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,437 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,269 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,514 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,356 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,256 |
| Rivers of the United States | 0 | - | 4.93 | 65,528 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,380,530 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,881 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,671 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,083 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,556 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,000 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,028 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,879 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,012 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Random U.S. City to State | 0 | - | 4.45 | 75,332 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,363 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,222 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,357 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,379 |
| Monarchies of Europe | 0 | - | 4.90 | 97,338 |
| Monarchies of Asia | 0 | - | 4.97 | 70,612 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,437 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,813 |
| The Only African Country ... | 0 | - | 4.99 | 128,382 |
| The Only American Country ... | 0 | - | 4.92 | 120,775 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,783 |
| Which South American Country? | 0 | - | 4.69 | 51,726 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,259 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,056 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,419 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,072 |
| European Countries with One Border | 0 | - | 4.97 | 181,655 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,554 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,122 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,106 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,095 |
| Peru Country Quiz | 0 | - | 4.54 | 48,311 |
| Chile Country Quiz | 0 | - | 4.75 | 39,734 |
| Belize Country Quiz | 0 | - | 4.85 | 20,809 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,222 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,873 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,314 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,665 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,504 |
| O Canada Lyrics | 0 | - | 4.47 | 50,787 |
| UK Immigration by Country | 0 | - | 4.94 | 139,676 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,671 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,920 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,294 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,874 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,991 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,281 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,373 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,264 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,098 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,814 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,784 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,470 |
| Arms Exports - United States | 0 | - | 4.70 | 54,369 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,228 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,267 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,133 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,504 |
| Countries That Border Russia | 0 | - | 4.98 | 458,971 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,504 |
| Countries Bordering France | 0 | - | 4.83 | 399,314 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,104 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,226 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,521 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,180 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,215 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,987 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,251 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,359 |
| Germany Country Quiz | 0 | - | 4.82 | 156,589 |
| Russia Country Quiz | 0 | - | 4.85 | 113,654 |
| Italy Country Quiz | 0 | - | 4.82 | 122,238 |
| Japan Country Quiz | 0 | - | 4.92 | 141,291 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,208 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,863 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,825 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,043 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,056 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,342 |
| Syria Country Quiz | 0 | - | 4.81 | 32,337 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,498 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,397 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,968 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,820 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,451 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,621 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,152 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,303 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,462 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,746 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,806 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,518 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,546 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,156 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,829 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,473 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,089 |
| Random European Capital to Country | 0 | - | 4.98 | 189,253 |
| Random European Country to Capital | 0 | - | 4.92 | 147,479 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,418 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,436 |
| Random African Country to Capital | 0 | - | 4.94 | 70,241 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,332 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,798 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,867 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,080 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,161 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,288 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,540 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,375 |
| Every European Country Shape | 0 | - | 4.96 | 200,227 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,722 |
| Every African Country Shape | 0 | - | 4.90 | 86,140 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,109 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,187 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,175 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,697 |
| Countries Bordering India | 0 | - | 4.98 | 162,614 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,711 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,791 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,934 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,797 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,223 |
| Countries that Border China | 0 | - | 4.96 | 261,841 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,859 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,541 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,092 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,236 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,773 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,310 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,503 |
