| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,414 |
| African Great Lakes | 0 | - | 4.82 | 67,159 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,843 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,678 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,765 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,083 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,636 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 61,015 |
| Sea in the Answers | 0 | - | 4.08 | 49,217 |
| South China Sea Countries | 0 | - | 4.78 | 57,893 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,915 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,233 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,052 |
| 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 | 67,093 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,330 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,472 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,661,766 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,924 |
| Random Country to Capital | 0 | - | 4.98 | 930,639 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,129,104 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,800 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,926 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,245 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,839 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,989 |
| Anagram Chain - Countries | 0 | - | 4.98 | 118,001 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,845 |
| Countries with Four Letters | 0 | - | 4.99 | 426,631 |
| Rivers of the United States | 0 | - | 4.93 | 66,816 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,426 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,291 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,135 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,512 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,719 |
| Countries by Milk Production | 0 | - | 4.54 | 44,320 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,431 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,693 |
| African Physical Geography | 0 | - | 4.51 | 31,847 |
| Asian Physical Geography | 0 | - | 4.61 | 35,645 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,516 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 746,469 |
| Capital Cities Chain | 0 | - | 4.84 | 83,558 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,769 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,383 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,743 |
| Country Chain | 0 | - | 4.96 | 218,714 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 81,660 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,469 |
| Countries by Emojis | 0 | - | 4.99 | 242,952 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 48,014 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,746 |
| Islands by Country #1 | 0 | - | 4.90 | 176,734 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,373 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,692 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,500 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,633 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,795 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,539 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,487 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,354 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,716 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,712 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,521 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,754 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,238 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,357 |
| Foods of the World by Description | 0 | - | 4.19 | 46,170 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,239 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,327 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,511 |
| The Only Country ... | 0 | - | 4.91 | 82,104 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,942 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,853 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,803 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,748 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,923 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,717 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,534 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,115 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,407 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 142,015 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,787 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,294 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,522 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,658 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,777 |
| Random Countries by Borders | 0 | - | 4.99 | 83,229 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 389,208 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,969 |
| Geological Extremes | 0 | - | 4.34 | 40,128 |
| European Physical Geography | 0 | - | 4.26 | 33,621 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,854 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,635 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,953 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,454 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,365 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,612 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,686 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,578 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,120 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,196 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,378 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,590 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,040 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,567 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,769 |
| National Animals | 0 | - | 4.24 | 90,276 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,326 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,320 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,837 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,409 |
| Fruits by Picture | 0 | - | 4.19 | 809,932 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,535 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,522 |
| Cities Chain #2 | 0 | - | 4.42 | 56,554 |
| Cities Chain #1 | 0 | - | 4.61 | 66,882 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,225 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,996,049 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 984,098 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,244 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,128 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,931 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 80,039 |
| Foods by Country of Origin #2 | 0 | - | 3.66 | 59,771 |
| Top 15 Countries with the Most Cows | 0 | - | 4.72 | 107,553 |
| 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 | 57,887 |
| Boundary Waters | 0 | - | 4.92 | 88,868 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,480 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,883 |
| World Capitals Quiz | 0 | - | 5.00 | 5,116,137 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,777 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,504 |
| Landlocked Countries | 0 | - | 4.99 | 427,586 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,438 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,690 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,807 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,441 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,432 |
| Mountains by Country | 0 | - | 4.56 | 82,046 |
| Islands by Country #2 | 0 | - | 4.80 | 78,027 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,814,772 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,766 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,488 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.96 | 243,550 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,170 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,795 |
| Animal Emojis | 0 | - | 4.74 | 85,497 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,012 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,546 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,217 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,237 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,917 |
| Fictional Cities | 0 | - | 4.26 | 48,010 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,265 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,091 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,693 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,443 |
| Cities that End in A by Clue | 0 | - | 4.55 | 53,236 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,512 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,371 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,577 |
| Cities that End in S by Clue | 0 | - | 4.57 | 45,169 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,137 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,561 |
| Island Countries | 0 | - | 4.99 | 713,131 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,077 |
| Himalayan Countries | 0 | - | 4.93 | 140,963 |
| Andean Countries | 0 | - | 4.94 | 85,869 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,981 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,592 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,527 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,740 |
| Danube Countries | 0 | - | 4.97 | 72,596 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,851 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,005 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,506 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,980 |
| European Landlocked Countries | 0 | - | 4.99 | 147,809 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,586 |
| Countries with the Most Species | 0 | - | 4.99 | 103,663 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,689 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,827 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,967 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,947 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,700 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,159 |
| Countries in the Alps | 0 | - | 4.87 | 119,027 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,090 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,224 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,086 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,210 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,178 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,418 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,630 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,026 |
