| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,752 |
| African Great Lakes | 0 | - | 4.82 | 65,017 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,773 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,038 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,099 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,734 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,628 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,417 |
| Sea in the Answers | 0 | - | 4.10 | 48,489 |
| South China Sea Countries | 0 | - | 4.78 | 57,466 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,251 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,278 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,757 |
| Landforms by Country | 0 | - | 4.52 | 51,909 |
| Capitals by River | 0 | - | 4.55 | 48,219 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,636 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,395 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,756 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,260 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,075 |
| Random Country to Capital | 0 | - | 4.98 | 910,413 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,121 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,532 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,263 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,415 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,806 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,806 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,051 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,358 |
| Countries with Four Letters | 0 | - | 4.99 | 418,007 |
| Rivers of the United States | 0 | - | 4.93 | 65,423 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,612 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,012 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,488 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,515 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,432 |
| Countries by Milk Production | 0 | - | 4.54 | 43,565 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,066 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,179 |
| Asian Physical Geography | 0 | - | 4.61 | 35,358 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,945 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,466 |
| Capital Cities Chain | 0 | - | 4.84 | 81,796 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,855 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,119 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,258 |
| Country Chain | 0 | - | 4.96 | 215,544 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,383 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,093 |
| Countries by Emojis | 0 | - | 4.99 | 235,773 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,797 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,014 |
| Islands by Country #1 | 0 | - | 4.87 | 174,388 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,835 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,202 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,274 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,465 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,333 |
| Countries that Produce the Most Cheese | 0 | - | 4.74 | 63,019 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,522 |
| Name a Valid Country #1 | 0 | - | 4.99 | 282,824 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,061 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,217 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,539 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,166 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,265 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,786 |
| Foods of the World by Description | 0 | - | 4.18 | 45,925 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,875 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,176 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,032 |
| The Only Country ... | 0 | - | 4.91 | 79,700 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,306 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,360 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,246 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,508 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,556 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,235 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,514 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,059 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,248 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,862 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 76,922 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,404 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,345 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,533 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,947 |
| Random Countries by Borders | 0 | - | 4.99 | 81,572 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 377,923 |
| Random Name a Valid Country | 0 | - | 4.99 | 202,971 |
| Geological Extremes | 0 | - | 4.34 | 39,921 |
| African Physical Geography | 0 | - | 4.51 | 31,555 |
| European Physical Geography | 0 | - | 4.26 | 33,364 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,734 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,967 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,458 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,189 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,889 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,461 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,345 |
| Random World Capitals on a Map | 0 | - | 4.93 | 132,962 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,824 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,786 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,559 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,434 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,490 |
| National Animals | 0 | - | 4.24 | 89,112 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,198 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 119,876 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,557 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,944 |
| Fruits by Picture | 0 | - | 4.20 | 804,286 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,935 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,346 |
| Cities Chain #2 | 0 | - | 4.42 | 56,146 |
| Cities Chain #1 | 0 | - | 4.61 | 66,309 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,069 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,847,868 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 955,556 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,587 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,576 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,243 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,808 |
| Foods by Country of Origin #2 | 0 | - | 3.67 | 59,227 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,754 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,627 |
| South American Physical Geography | 0 | - | 4.58 | 18,260 |
| Seas of Europe | 0 | - | 4.37 | 83,775 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,778 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,166 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,215 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,263 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,321 |
| Landlocked Countries | 0 | - | 4.99 | 412,842 |
| Last Names by Country of Origin | 0 | - | 4.63 | 155,815 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,500 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,166 |
| Countries With One Word and Two U's | 0 | - | 4.50 | 50,346 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,927 |
| Mountains by Country | 0 | - | 4.64 | 81,522 |
| Islands by Country #2 | 0 | - | 4.80 | 76,935 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,385 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,581 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,830 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 235,998 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,336 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,721 |
| Animal Emojis | 0 | - | 4.69 | 83,196 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,102 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,895 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,455 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,835 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,972 |
| Fictional Cities | 0 | - | 4.25 | 47,863 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,003 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,780 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 483,861 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,063 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,736 |
| Cities that End in O by Clue | 0 | - | 4.56 | 60,925 |
| Cities that End in N by Clue | 0 | - | 4.55 | 53,889 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,019 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,755 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,813 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,963 |
| Island Countries | 0 | - | 4.99 | 707,213 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,218 |
| Himalayan Countries | 0 | - | 4.95 | 135,042 |
| Andean Countries | 0 | - | 4.94 | 82,654 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,077 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,974 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,749 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,454 |
| Danube Countries | 0 | - | 4.97 | 70,989 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,633 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,450 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,279 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,188 |
| European Landlocked Countries | 0 | - | 4.99 | 145,662 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,041 |
| Countries with the Most Species | 0 | - | 4.99 | 95,183 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,186 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,172 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,331 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,906 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,507 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,862 |
| Countries in the Alps | 0 | - | 4.87 | 116,678 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,463 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,059 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,935 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,317 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,061 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,933 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,464 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,682 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,217 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,964 |