| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,212 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,477 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,739 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,352 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,355 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,852 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,252 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,029 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,243 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,322 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,445 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,180 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 62,019 |
| Metals of Antiquity | 0 | - | 4.95 | 93,936 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.98 | 110,024 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,994 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,522 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 72,026 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 54,004 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,887 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,654 |
| Biggest Trading Partners - South Africa | 0 | - | 4.74 | 40,434 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,554 |
| Countries with Glaciers | 0 | - | 4.97 | 105,813 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,716 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,997 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,167 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,975 |
| Elements Named for Countries | 0 | - | 4.52 | 24,969 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,619 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,357 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,453 |
| Orthodox Countries | 0 | - | 4.92 | 132,822 |
| Battle to Country | 0 | - | 4.91 | 53,977 |
| Monarchies of Europe | 0 | - | 4.90 | 98,888 |
| Monarchies of Asia | 0 | - | 4.97 | 71,515 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,295 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,566 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,336 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,219 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,915 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,962 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,386 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,446 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,745 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,124 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,825 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,267 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,068 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,396 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,576 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,099 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,913 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,813 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,758 |
| Top 10 Richest Countries in Asia | 0 | - | 4.69 | 106,667 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,030 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,892,149 |
| Countries in World War I | 0 | - | 4.88 | 229,178 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,173 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,537 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,561 |
| Hindu Countries | 0 | - | 4.87 | 50,588 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,908 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,876 |
| Movies with Landforms in the Name | 0 | - | 4.16 | 50,559 |
| Boundary Waters | 0 | - | 4.92 | 88,776 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,715 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,194 |
| Landlocked Countries | 0 | - | 4.99 | 426,055 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,317 |
| Least-Forested Countries | 0 | - | 4.53 | 65,422 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,344 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,736 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,860 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,514 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,584 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,735 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,828 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,027 |
| States and Provinces that Touch the Great Lakes | 0 | - | 4.58 | 35,264 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,865 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,930 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,783 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,418 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.46 | 119,340 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,883 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,536 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,221 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,195 |
| Elements by Picture | 0 | - | 4.27 | 70,327 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,934 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,415 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,012 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,026 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,591 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,915 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,734 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,781 |
| Island Countries | 0 | - | 4.99 | 712,627 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,368 |
| Himalayan Countries | 0 | - | 4.93 | 140,328 |
| Andean Countries | 0 | - | 4.94 | 85,512 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,655 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,066 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,231 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,462 |
| Danube Countries | 0 | - | 4.97 | 72,426 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,623 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,858 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,163 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,647 |
| European Landlocked Countries | 0 | - | 4.99 | 147,623 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,333 |
| Countries with the Most Species | 0 | - | 4.99 | 103,578 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,431 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,782 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,892 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,850 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,589 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,033 |
| Countries in the Alps | 0 | - | 4.87 | 118,806 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,681 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,905 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,975 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,039 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,980 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,276 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,430 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,882 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,437 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,196 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,892 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,754 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,573 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,815 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,906 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,891 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,631 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,002 |
| Catholic Countries | 0 | - | 4.80 | 215,629 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,703 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,794 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,204 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,526 |
| Largest Countries By Category | 0 | - | 4.97 | 158,890 |
| Countries by Countries | 0 | - | 4.96 | 63,663 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,176 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,284 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,408 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,788 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,677 |
| Communist Countries in History | 0 | - | 4.63 | 498,273 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,121 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,952 |
| Northernmost Countries | 0 | - | 4.99 | 364,097 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 37,949 |
| Companies by Country | 0 | - | 4.61 | 120,243 |
| Countries of South America | 0 | - | 5.00 | 932,925 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,646 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,889,873 |
| "Land" Countries | 0 | - | 4.98 | 338,431 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,826 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,471 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,988 |
| UK Rivers Map Quiz | 0 | - | 4.54 | 30,580 |
| All Country Flags of the World | 0 | - | 5.00 | 3,715,240 |
| Top World Languages | 0 | - | 4.92 | 830,022 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,812 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,620 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,136 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,583 |
| Longest International Borders | 0 | - | 4.99 | 265,837 |
| Countries with Three Borders | 0 | - | 4.96 | 36,780 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,362 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,501 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,929 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,190 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,385 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,881 |
| Demonym of Every Country | 0 | - | 4.90 | 61,499 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,170 |
| Biblical Geography | 0 | - | 4.40 | 67,348 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,735 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,000 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,404 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,557 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,215 |
| Countries with Megacities | 0 | - | 4.99 | 267,219 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,893 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,164 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,211 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,276 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,153 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,779 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,121 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,175 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,332 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,015 |
