| Metals of Antiquity | 0 | - | 4.95 | 93,902 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,765 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,830 |
| Countries with the Most Borders | 0 | - | 4.97 | 390,502 |
| Elements Named for Countries | 0 | - | 4.52 | 24,954 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,893 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,317 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,639 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,734 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,871 |
| Countries with Glaciers | 0 | - | 4.97 | 105,782 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,960 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,944 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,404 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,234 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,571 |
| Boundary Waters | 0 | - | 4.92 | 88,750 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,405 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,678 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,791 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,875 |
| European Countries with One Border | 0 | - | 4.97 | 183,749 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,491 |
| Random Countries by Borders | 0 | - | 4.99 | 83,067 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,870 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,187 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,858,850 |
| Landlocked Countries | 0 | - | 4.99 | 425,518 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,530 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,543 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,599 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,854 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,444 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,583 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 387,698 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,668 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,914 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,375 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,943 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,970 |
| World Capitals Quiz | 0 | - | 5.00 | 5,104,471 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,107 |
| Himalayan Countries | 0 | - | 4.93 | 140,125 |
| Andean Countries | 0 | - | 4.94 | 85,373 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,518 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,904 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,095 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,372 |
| Danube Countries | 0 | - | 4.97 | 72,347 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,547 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,800 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,041 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,548 |
| European Landlocked Countries | 0 | - | 4.99 | 147,575 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,248 |
| Countries with the Most Species | 0 | - | 4.99 | 103,541 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,364 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,763 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,868 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,816 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,554 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,981 |
| Countries in the Alps | 0 | - | 4.87 | 118,734 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,551 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,801 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,941 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,994 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,915 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,226 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,363 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,822 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,396 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,150 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,847 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,724 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,534 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,761 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,861 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,762 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,585 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,760 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,634 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,565 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,072 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,486 |
| Largest Countries By Category | 0 | - | 4.97 | 158,812 |
| Countries by Countries | 0 | - | 4.96 | 63,614 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,217 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,389 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,659 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,079 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,802,830 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,994 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,924 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,691 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,044 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,848 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,821 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,087 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,124 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,169 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,762 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,061 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,907 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,873 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,438 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,974 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,774 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,612 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,025 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,551 |
| Longest International Borders | 0 | - | 4.99 | 265,786 |
| Countries with Three Borders | 0 | - | 4.96 | 36,758 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,340 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,483 |
| Demonym of Every Country | 0 | - | 4.90 | 61,447 |
| Elements by Picture | 0 | - | 4.27 | 70,307 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,200 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,000 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,602 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,556 |
| Island Countries | 0 | - | 4.99 | 712,461 |
| Countries Richer Than Their Neighbors | 0 | - | 4.47 | 72,968 |
| Least-Forested Countries | 0 | - | 4.53 | 65,410 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,252 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,326 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,423 |
| Northernmost Countries | 0 | - | 4.99 | 363,862 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,728 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,828 |
| Countries of South America | 0 | - | 5.00 | 932,287 |
| Countries of Oceania | 0 | - | 5.00 | 1,062,884 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,888,362 |
| "Land" Countries | 0 | - | 4.98 | 338,325 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,660 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 417,769 |
| Top World Languages | 0 | - | 4.92 | 829,447 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,190 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,003 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,343 |
| Europe Map Quiz | 0 | - | 5.00 | 4,786,919 |
| All Country Flags of the World | 0 | - | 5.00 | 3,711,243 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,876 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,726 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,388 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,966 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,748 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,394 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,072 |
| Countries with Megacities | 0 | - | 4.99 | 266,964 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,787 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,089 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,098 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,204 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,290 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,260 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,317 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,955 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,178 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,195 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,098 |
| Countries by Capital City | 0 | - | 5.00 | 69,349 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,828 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,200 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,745 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,787 |
| Moved Capital Cities | 0 | - | 4.96 | 74,631 |
| Countries by Official Language | 0 | - | 4.95 | 195,951 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,565 |
| Countries in their Native Language | 0 | - | 4.99 | 199,694 |
| Independence from Whom | 0 | - | 4.99 | 213,005 |
| Subdivisions by Country | 0 | - | 4.87 | 50,604 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,401 |
| Megadiverse Countries | 0 | - | 4.96 | 135,264 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,909 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,530 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,591 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,221 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,774 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,831 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,081 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,557 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,971 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,249 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,481 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,361 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,434 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,136 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,566 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,799 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,291 |
| World Map Quiz | 0 | - | 4.81 | 65,673 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,119 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,696 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,777 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,205 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,045 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,537 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,494 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,409 |
