| Top 10 European Countries by Coastline | 0 | - | 4.87 | 128,035 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,275 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 89,308 |
| African Great Lakes | 0 | - | 4.84 | 52,905 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 66,063 |
| South China Sea Countries | 0 | - | 4.81 | 53,744 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.93 | 56,194 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 75,811 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 56,623 |
| Countries With One Word And Two O's | 0 | - | 4.89 | 34,024 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.86 | 48,670 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,219 |
| Landforms by Country Quiz | 0 | - | 4.54 | 51,249 |
| Capitals by River | 0 | - | 4.64 | 47,070 |
| Top 10 African Countries by Coastline | 0 | - | 4.26 | 46,349 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,955 |
| Answers Contain Sea | 0 | - | 3.85 | 26,936 |
| Random Capital to Country | 0 | - | 4.99 | 2,356,378 |
| Random Country to Capital | 0 | - | 4.98 | 800,631 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,917,338 |
| Countries with Wild Tigers | 0 | - | 4.95 | 110,732 |
| Countries with Wild Penguins | 0 | - | 4.93 | 90,065 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 383,791 |
| Solve the Secret Country #1 | 0 | - | 4.96 | 129,506 |
| Solve the Secret Country #2 | 0 | - | 4.91 | 87,725 |
| Anagram Chain - Countries | 0 | - | 4.98 | 96,414 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.89 | 78,481 |
| Countries with Four Letters | 0 | - | 4.99 | 375,266 |
| Rivers of the United States | 0 | - | 4.91 | 56,771 |
| Countries but all Vowels are Changed to O | 0 | - | 4.84 | 34,673 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 44,428 |
| Countries Closest to the Aegean Sea | 0 | - | 4.63 | 55,951 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 62,895 |
| Asian Physical Geography | 0 | - | 4.59 | 33,586 |
| Capital Cities Chain | 0 | - | 4.86 | 71,307 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 78,462 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 156,864 |
| Top Five Countries By Category #3 | 0 | - | 4.87 | 142,195 |
| Country Chain | 0 | - | 4.95 | 177,792 |
| Countries by Emojis | 0 | - | 4.99 | 204,710 |
| Islands by Country #1 | 0 | - | 4.87 | 163,423 |
| Regions of Countries #1 | 0 | - | 4.96 | 149,535 |
| Regions of Countries #2 | 0 | - | 4.95 | 114,224 |
| Regions of Countries #3 | 0 | - | 4.84 | 83,533 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 180,230 |
| Countries with the Most Sheep | 0 | - | 4.89 | 82,374 |
| Name a Valid Country #3 | 0 | - | 4.98 | 208,342 |
| Name a Valid Country #1 | 0 | - | 4.99 | 226,177 |
| Name a Valid Country #2 | 0 | - | 4.98 | 192,926 |
| Name a Valid Country #4 | 0 | - | 4.96 | 200,151 |
| Name a Valid Country #5 | 0 | - | 4.98 | 145,464 |
| Name a Valid Country #6 | 0 | - | 4.92 | 87,291 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.76 | 33,738 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 39,701 |
| The Only Country ... | 0 | - | 4.88 | 45,866 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 161,923 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 67,761 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.83 | 46,745 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,641 |
| Countries with the Most McDonald's Locations | 0 | - | 4.81 | 79,802 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 77,221 |
| Countries With One Word and Two U's | 0 | - | 4.46 | 31,103 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.87 | 86,860 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 283,113 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 206,821 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 197,902 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 168,534 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.95 | 105,697 |
| Countries that Catch the Most Fish | 0 | - | 4.88 | 101,128 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 95,162 |
| Countries with the Most Wolves | 0 | - | 4.88 | 78,518 |
| Random Countries by Borders | 0 | - | 4.99 | 66,272 |
| World Map with 10 Random Extra Borders | 0 | - | 4.97 | 325,062 |
| Random Name a Valid Country | 0 | - | 4.99 | 168,139 |
| Geological Extremes Quiz | 0 | - | 4.32 | 38,661 |
| African Physical Geography | 0 | - | 4.49 | 29,942 |
| European Physical Geography | 0 | - | 4.19 | 31,894 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 46,063 |
| Countries With The Most Bird Species | 0 | - | 4.86 | 19,392 |
| Countries With Two or More Bear Species | 0 | - | 4.89 | 18,662 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 200,218 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 114,432 |
| Random World Capitals on a Map | 0 | - | 4.92 | 113,728 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 66,243 |
| Name a World Capital A-Z | 0 | - | 4.99 | 140,711 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 79,744 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 100,446 |
| National Animals | 0 | - | 4.28 | 83,388 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.91 | 256,815 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.29 | 18,208 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 246,397 |
| Answers Contain "Bear" | 0 | - | 4.26 | 48,000 |
| Word Scramble - Cities #1 | 0 | - | 4.49 | 93,963 |
| Largest World Cities With Five Letters | 0 | - | 4.58 | 59,239 |
| Cities Chain #2 | 0 | - | 4.42 | 53,481 |
| Cities Chain #1 | 0 | - | 4.65 | 62,768 |
| Name Any Valid U.S. City | 0 | - | 4.47 | 35,345 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,810,090 |
| Countries of the World - One Minute Sprint | 0 | - | 4.37 | 871,408 |
| Countries with the Most Wild Elephants | 0 | - | 4.57 | 50,752 |
| Animal Populations of Countries | 0 | - | 4.50 | 40,057 |
| Random Countries with Letters Missing | 0 | - | 4.55 | 71,052 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 62,688 |
| Top 15 Countries with the Most Cows | 0 | - | 4.65 | 89,283 |
| Oceania Physical Geography | 0 | - | 4.27 | 11,907 |
| South American Physical Geography | 0 | - | 4.56 | 17,271 |
| Longest Rivers in the UK | 0 | - | 4.38 | 13,068 |
| Seas of Europe | 0 | - | 4.32 | 79,212 |
| Boundary Waters | 0 | - | 4.93 | 80,986 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,507 |
| World Capitals Quiz | 0 | - | 5.00 | 4,488,425 |
| Solve the Secret Capital City | 0 | - | 4.77 | 138,756 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 322,117 |
| Last Names by Country of Origin | 0 | - | 4.47 | 132,967 |
| Countries with NO Snakes | 0 | - | 4.52 | 62,226 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 46,900 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.66 | 70,819 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,057,722 |
| Top 10 Hottest Asian Countries | 0 | - | 4.72 | 46,481 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 39,560 |
| Countries by Milk Production | 0 | - | 4.56 | 37,631 |
| Foods by Country of Origin #1 | 0 | - | 4.42 | 313,060 |
| Mountains by Country | 0 | - | 4.75 | 76,612 |
| Islands by Country #2 | 0 | - | 4.79 | 70,692 |
| Countries with More Cows than People | 0 | - | 4.41 | 47,594 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.96 | 22,769 |
| Animal Emojis | 0 | - | 4.72 | 61,307 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,012 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,208 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 83,560 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,959 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,542 |
| Fictional Cities Quiz | 0 | - | 4.23 | 46,957 |
| Word Scramble - Cities #2 | 0 | - | 4.51 | 23,198 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,379,345 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 419,195 |
| World Cities by Clue Quiz #2 | 0 | - | 4.45 | 47,462 |
| Cities that End in A by Clue | 0 | - | 4.56 | 48,469 |
| Cities that End in O by Clue | 0 | - | 4.58 | 48,975 |
| Cities that End in N by Clue | 0 | - | 4.53 | 43,014 |
| Cities that End in I by Clue | 0 | - | 4.58 | 52,671 |
| Cities that End in S by Clue | 0 | - | 4.58 | 41,124 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 340,227 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 354,501 |
| Members of the Arab League | 0 | - | 4.85 | 61,178 |
| Island Countries Quiz | 0 | - | 4.99 | 659,312 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,392 |
| Himalayan Countries | 0 | - | 4.94 | 104,276 |
| Andean Countries | 0 | - | 4.91 | 57,770 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,712 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,099 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,462 |
| Coffee Producing Countries | 0 | - | 4.81 | 53,907 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,155 |
| Danube Countries | 0 | - | 4.97 | 56,558 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,591 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,772 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,950 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,180 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,941 |
| European Landlocked Countries | 0 | - | 4.99 | 115,032 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,180 |
| Countries with the Most Species | 0 | - | 4.99 | 89,189 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,223 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,617 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,954 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,134 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,330 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,628 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,024 |
| Countries in the Alps | 0 | - | 4.83 | 102,430 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,140 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,740 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,453 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,111 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,793 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,408 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,467 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,049 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,241 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,525 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,270 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,505 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,597 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,331 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,830 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,325 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,615 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,243 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,276 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,369 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,478 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,186 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.53 | 71,445 |
| Countries That Eat the Most Pork | 0 | - | 4.22 | 36,204 |
| Largest Countries By Category | 0 | - | 4.96 | 144,603 |
| Countries by Countries | 0 | - | 4.95 | 54,496 |
| Category Elimination - Countries #5 | 0 | - | 4.71 | 127,537 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,059 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.58 | 63,661 |
