| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,073 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,623 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,593 |
| African Great Lakes | 0 | - | 4.82 | 66,116 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,716 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,092 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,117 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,321 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,355 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,406 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,155 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,895 |
| South China Sea Countries | 0 | - | 4.78 | 57,672 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,406 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,958 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,735 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,053 |
| Seas of Europe | 0 | - | 4.37 | 84,609 |
| Capitals by River | 0 | - | 4.55 | 48,295 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,387 |
| Sea in the Answers | 0 | - | 4.10 | 48,875 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,939 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,846 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,049 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 105,841 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,713 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,130 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,575 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,244 |
| African Physical Geography | 0 | - | 4.51 | 31,673 |
| Asian Physical Geography | 0 | - | 4.60 | 35,497 |
| Rivers of the United States | 0 | - | 4.93 | 66,112 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,860 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,912 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,283 |
| Landforms by Country | 0 | - | 4.52 | 51,965 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,976 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,305 |
| Countries With No Rivers | 0 | - | 4.96 | 76,734 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,802 |
| Geological Extremes | 0 | - | 4.34 | 40,013 |
| European Physical Geography | 0 | - | 4.26 | 33,488 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,691 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,309 |
| National Animals | 0 | - | 4.24 | 89,632 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,401 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,645 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,683 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,815 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,919 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,386 |
| Boundary Waters | 0 | - | 4.92 | 88,410 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,112 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,980 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,375,837 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,676 |
| South American Physical Geography | 0 | - | 4.58 | 18,333 |
| World Capitals Quiz | 0 | - | 5.00 | 5,067,061 |
| Landlocked Countries | 0 | - | 4.99 | 419,492 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,461 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,760,333 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,782 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,822 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,224 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,529 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,703 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,774 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,003 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,477 |
| Movie Cities | 0 | - | 4.33 | 50,847 |
| Biggest City by River | 0 | - | 4.41 | 52,832 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,515 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,071 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,753 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,425 |
| Island Countries | 0 | - | 4.99 | 709,996 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,220 |
| Himalayan Countries | 0 | - | 4.95 | 137,662 |
| Andean Countries | 0 | - | 4.95 | 84,058 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,304 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,806 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,923 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,420 |
| Danube Countries | 0 | - | 4.97 | 71,723 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,638 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,114 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,748 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,822 |
| European Landlocked Countries | 0 | - | 4.99 | 146,838 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,206 |
| Countries with the Most Species | 0 | - | 4.99 | 102,982 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,363 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,443 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,609 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,347 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,022 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,417 |
| Countries in the Alps | 0 | - | 4.87 | 117,773 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,196 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,479 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,453 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,074 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,164 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,758 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,351 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,242 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,005 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,603 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,514 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,363 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,971 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,238 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,257 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,292 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,097 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,599 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,628 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,624 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,363 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,030 |
| Largest Countries By Category | 0 | - | 4.97 | 157,744 |
| Countries by Countries | 0 | - | 4.96 | 62,897 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,997 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,289 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,481 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,384 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,670 |
| Northernmost Countries | 0 | - | 4.99 | 360,741 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,537 |
| Countries of South America | 0 | - | 5.00 | 923,713 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,163 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,341 |
| "Land" Countries | 0 | - | 4.98 | 335,933 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,418 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,438 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,764 |
| All Country Flags of the World | 0 | - | 5.00 | 3,654,620 |
| Top World Languages | 0 | - | 4.92 | 820,884 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,276 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,403 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,792 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,245 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,108 |
| Longest International Borders | 0 | - | 4.99 | 264,754 |
| Countries with Three Borders | 0 | - | 4.96 | 36,477 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,946 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,059 |
| Demonym of Every Country | 0 | - | 4.91 | 59,205 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,362 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,221 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,125 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,922 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,181 |
| Countries with Megacities | 0 | - | 4.99 | 261,926 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,041 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,083 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,336 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,118 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,481 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,962 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,053 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,289 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,356 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,062 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,761 |
| Countries by Capital City | 0 | - | 5.00 | 68,043 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,043 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,529 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,896 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,034 |
| Moved Capital Cities | 0 | - | 4.96 | 74,109 |
| Countries by Official Language | 0 | - | 4.95 | 194,748 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,679 |
| Countries in their Native Language | 0 | - | 4.99 | 198,287 |
| Independence from Whom | 0 | - | 4.99 | 211,462 |
| Subdivisions by Country | 0 | - | 4.86 | 50,310 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,808 |
| Megadiverse Countries | 0 | - | 4.96 | 134,805 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,624 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,209 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,781 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,031 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,768 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,417 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,057 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,877 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,517 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,009 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,116 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,746 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,022 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,808 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,183 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,616 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,357 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,351 |
| World Map Quiz | 0 | - | 4.81 | 64,685 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,860 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,086 |
