| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,752 |
| African Great Lakes | 0 | - | 4.82 | 65,013 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,772 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,037 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,098 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,733 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,624 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,417 |
| Sea in the Answers | 0 | - | 4.10 | 48,486 |
| South China Sea Countries | 0 | - | 4.78 | 57,465 |
| 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 | 88,755 |
| 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 | 334,387 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,754 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,119 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,024 |
| Random Country to Capital | 0 | - | 4.98 | 910,383 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,084 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,530 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,262 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,412 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,796 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,794 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,047 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,358 |
| Countries with Four Letters | 0 | - | 4.99 | 417,997 |
| Rivers of the United States | 0 | - | 4.93 | 65,423 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,608 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,003 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,488 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,507 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,432 |
| Countries by Milk Production | 0 | - | 4.54 | 43,563 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,064 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,179 |
| Asian Physical Geography | 0 | - | 4.61 | 35,357 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,945 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,445 |
| Capital Cities Chain | 0 | - | 4.84 | 81,793 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,853 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,117 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,256 |
| Country Chain | 0 | - | 4.96 | 215,542 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,381 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,092 |
| Countries by Emojis | 0 | - | 4.99 | 235,772 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,796 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,011 |
| Islands by Country #1 | 0 | - | 4.87 | 174,388 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,832 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,200 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,273 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,459 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,332 |
| Countries that Produce the Most Cheese | 0 | - | 4.74 | 63,018 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,516 |
| Name a Valid Country #1 | 0 | - | 4.99 | 282,805 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,060 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,211 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,534 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,159 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,262 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,781 |
| Foods of the World by Description | 0 | - | 4.18 | 45,925 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,872 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,169 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,032 |
| The Only Country ... | 0 | - | 4.91 | 79,694 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,304 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,359 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,242 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,505 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,554 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,227 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,507 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,052 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,243 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,853 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 76,912 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,400 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,344 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,533 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,943 |
| Random Countries by Borders | 0 | - | 4.99 | 81,569 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 377,914 |
| Random Name a Valid Country | 0 | - | 4.99 | 202,962 |
| Geological Extremes | 0 | - | 4.34 | 39,921 |
| African Physical Geography | 0 | - | 4.51 | 31,555 |
| European Physical Geography | 0 | - | 4.26 | 33,363 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,734 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,965 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,458 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,181 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,876 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,461 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,342 |
| Random World Capitals on a Map | 0 | - | 4.93 | 132,950 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,823 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,781 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,558 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,431 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,487 |
| National Animals | 0 | - | 4.24 | 89,112 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,189 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 119,873 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,556 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,943 |
| Fruits by Picture | 0 | - | 4.20 | 804,282 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,934 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,345 |
| 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 | 40,068 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,846,242 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 955,547 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,586 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,576 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,239 |
| 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 | 83,774 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,776 |
| Boundary Waters | 0 | - | 4.92 | 87,988 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,782 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,164 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,048 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,255 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,320 |
| Landlocked Countries | 0 | - | 4.99 | 412,828 |
| Last Names by Country of Origin | 0 | - | 4.63 | 155,813 |
| 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 | 76,934 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,224 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,580 |
| 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 | 235,992 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,333 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,714 |
| Animal Emojis | 0 | - | 4.69 | 83,188 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,102 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,893 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,454 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,832 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,963 |
| Fictional Cities | 0 | - | 4.25 | 47,862 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,002 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,736 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 483,849 |
| 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 | 60,924 |
| Cities that End in N by Clue | 0 | - | 4.55 | 53,889 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,018 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,754 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,806 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,953 |
| Island Countries | 0 | - | 4.99 | 707,206 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,211 |
| Himalayan Countries | 0 | - | 4.95 | 135,032 |
| Andean Countries | 0 | - | 4.94 | 82,650 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,074 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,971 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,746 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,453 |
| Danube Countries | 0 | - | 4.97 | 70,986 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,631 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,450 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,273 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,183 |
| European Landlocked Countries | 0 | - | 4.99 | 145,659 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,035 |
| Countries with the Most Species | 0 | - | 4.99 | 95,180 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,179 |
| 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 | 58,905 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,500 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,861 |
| Countries in the Alps | 0 | - | 4.87 | 116,675 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,459 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,052 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,935 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,316 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,059 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,932 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,456 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,675 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,113 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,963 |