| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,413 |
| African Great Lakes | 0 | - | 4.82 | 67,153 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,839 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,675 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,764 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,080 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,634 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 61,012 |
| Sea in the Answers | 0 | - | 4.08 | 49,214 |
| South China Sea Countries | 0 | - | 4.78 | 57,893 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,914 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,232 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,051 |
| Landforms by Country | 0 | - | 4.52 | 52,033 |
| Capitals by River | 0 | - | 4.55 | 48,409 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,091 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,326 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,469 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,661,563 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,868 |
| Random Country to Capital | 0 | - | 4.98 | 930,572 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,129,052 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,797 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,924 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,232 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,827 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,978 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,998 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,844 |
| Countries with Four Letters | 0 | - | 4.99 | 426,622 |
| Rivers of the United States | 0 | - | 4.93 | 66,813 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,418 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,282 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,133 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,501 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,718 |
| Countries by Milk Production | 0 | - | 4.54 | 44,318 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,431 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,690 |
| African Physical Geography | 0 | - | 4.51 | 31,846 |
| Asian Physical Geography | 0 | - | 4.61 | 35,644 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,516 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 746,390 |
| Capital Cities Chain | 0 | - | 4.84 | 83,554 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,762 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,371 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,734 |
| Country Chain | 0 | - | 4.96 | 218,711 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 81,658 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,466 |
| Countries by Emojis | 0 | - | 4.99 | 242,938 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 48,014 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,739 |
| Islands by Country #1 | 0 | - | 4.90 | 176,692 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,371 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,691 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,499 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,614 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,793 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,539 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,478 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,339 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,709 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,705 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,518 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,750 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,229 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,351 |
| Foods of the World by Description | 0 | - | 4.19 | 46,169 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,239 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,323 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,506 |
| The Only Country ... | 0 | - | 4.91 | 82,097 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,938 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,853 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,802 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,741 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,921 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,708 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,528 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,106 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,403 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 142,004 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,779 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,292 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,521 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,656 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,776 |
| Random Countries by Borders | 0 | - | 4.99 | 83,225 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 389,195 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,962 |
| Geological Extremes | 0 | - | 4.34 | 40,128 |
| European Physical Geography | 0 | - | 4.26 | 33,620 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,854 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,634 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,953 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,443 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,354 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,607 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,686 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,571 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,106 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,195 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,372 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,587 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,037 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,556 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,764 |
| National Animals | 0 | - | 4.24 | 90,275 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,312 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,317 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,837 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,405 |
| Fruits by Picture | 0 | - | 4.19 | 809,923 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,534 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,516 |
| Cities Chain #2 | 0 | - | 4.42 | 56,553 |
| Cities Chain #1 | 0 | - | 4.61 | 66,878 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,225 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,993,906 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 984,095 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,242 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,127 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,915 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 80,039 |
| Foods by Country of Origin #2 | 0 | - | 3.66 | 59,770 |
| Top 15 Countries with the Most Cows | 0 | - | 4.72 | 107,552 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,747 |
| South American Physical Geography | 0 | - | 4.58 | 18,415 |
| Seas of Europe | 0 | - | 4.37 | 84,976 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,885 |
| Boundary Waters | 0 | - | 4.92 | 88,868 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,479 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,877 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,945 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,776 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,504 |
| Landlocked Countries | 0 | - | 4.99 | 427,562 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,435 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,690 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,806 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,439 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,430 |
| Mountains by Country | 0 | - | 4.56 | 82,046 |
| Islands by Country #2 | 0 | - | 4.80 | 78,016 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,625 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,764 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,487 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.96 | 243,546 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,168 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,783 |
| Animal Emojis | 0 | - | 4.74 | 85,490 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,008 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,539 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,211 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,231 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,900 |
| Fictional Cities | 0 | - | 4.26 | 48,009 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,265 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,007 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,673 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,442 |
| Cities that End in A by Clue | 0 | - | 4.55 | 53,235 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,511 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,368 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,576 |
| Cities that End in S by Clue | 0 | - | 4.57 | 45,168 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,136 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,544 |
| Island Countries | 0 | - | 4.99 | 713,117 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,064 |
| Himalayan Countries | 0 | - | 4.93 | 140,957 |
| Andean Countries | 0 | - | 4.94 | 85,866 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,974 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,589 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,520 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,738 |
| Danube Countries | 0 | - | 4.97 | 72,589 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,847 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,002 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,502 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,974 |
| European Landlocked Countries | 0 | - | 4.99 | 147,808 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,580 |
| Countries with the Most Species | 0 | - | 4.99 | 103,663 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,687 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,826 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,965 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,946 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,699 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,157 |
| Countries in the Alps | 0 | - | 4.87 | 119,022 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,075 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,218 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,082 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,207 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,177 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,414 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,629 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,022 |
