| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,666 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,424 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,923 |
| African Great Lakes | 0 | - | 4.82 | 67,211 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,863 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,685 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,777 |
| Sea in the Answers | 0 | - | 4.08 | 49,223 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,528 |
| South China Sea Countries | 0 | - | 4.78 | 57,904 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,784 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,955 |
| Landforms by Country | 0 | - | 4.52 | 52,033 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,248 |
| Seas of Europe | 0 | - | 4.37 | 85,002 |
| Capitals by River | 0 | - | 4.55 | 48,413 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,101 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,663,142 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,345 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 61,022 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,486 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,513 |
| Random Country to Capital | 0 | - | 4.98 | 931,097 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,458 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,129,733 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,825 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,944 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,349 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,930 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 121,081 |
| Anagram Chain - Countries | 0 | - | 4.98 | 118,053 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,857 |
| Countries with Four Letters | 0 | - | 4.99 | 426,771 |
| African Physical Geography | 0 | - | 4.51 | 31,852 |
| Asian Physical Geography | 0 | - | 4.61 | 35,650 |
| Rivers of the United States | 0 | - | 4.93 | 66,845 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,494 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,340 |
| Capital Cities Chain | 0 | - | 4.84 | 83,598 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,797 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,456 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,809 |
| Country Chain | 0 | - | 4.96 | 218,754 |
| Countries by Emojis | 0 | - | 4.99 | 243,043 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,770 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,651 |
| Islands by Country #1 | 0 | - | 4.90 | 176,936 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,402 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,721 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,518 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,735 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,813 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,570 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,532 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,816 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,800 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,622 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,834 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,298 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,419 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,730 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 747,165 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,334 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 48,015 |
| The Only Country ... | 0 | - | 4.91 | 82,146 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,986 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,887 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,832 |
| Countries With No Rivers | 0 | - | 4.96 | 77,297 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,256 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,079 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,815 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,625 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,184 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,448 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 142,375 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,900 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,219 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,313 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,675 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,796 |
| Random Countries by Borders | 0 | - | 4.99 | 83,254 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 389,406 |
| Random Name a Valid Country | 0 | - | 4.99 | 207,018 |
| Geological Extremes | 0 | - | 4.34 | 40,132 |
| European Physical Geography | 0 | - | 4.26 | 33,626 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,532 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 57,048 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,643 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,955 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,554 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,428 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,664 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,682 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,634 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,202 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,635 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,068 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,656 |
| National Animals | 0 | - | 4.24 | 90,284 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,166 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,121 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,842 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,230 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,940 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,499 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,633 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,040 |
| Boundary Waters | 0 | - | 4.92 | 88,877 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,920 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,546 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,538 |
| Cities Chain #2 | 0 | - | 4.42 | 56,559 |
| Cities Chain #1 | 0 | - | 4.61 | 66,889 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,237 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,223 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,437 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,018,180 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 984,393 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,253 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,145 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 98,044 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,838 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,416 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 80,051 |
| Top 15 Countries with the Most Cows | 0 | - | 4.72 | 107,556 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.91 | 281,458 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,379 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,750 |
| South American Physical Geography | 0 | - | 4.58 | 18,417 |
| First Names of Scientists | 0 | - | 4.51 | 57,306 |
| World Capitals Quiz | 0 | - | 5.00 | 5,118,072 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,800 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,508 |
| Landlocked Countries | 0 | - | 4.99 | 427,850 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,691 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,140 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,824 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,458 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,439 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,722 |
| Countries by Milk Production | 0 | - | 4.54 | 44,330 |
| Mountains by Country | 0 | - | 4.56 | 82,056 |
| Islands by Country #2 | 0 | - | 4.80 | 78,085 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,816,653 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,781 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,437 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,510 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,105 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,521 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.96 | 243,699 |
| Historical Middle Names | 0 | - | 4.16 | 36,368 |
| People with Food Names | 0 | - | 4.09 | 72,002 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 41,225 |
| First Names of Historical Figures #1 | 0 | - | 4.40 | 230,708 |
| Random Nicknames #1 | 0 | - | 4.11 | 35,000 |
| Also Known As #1 | 0 | - | 4.18 | 31,967 |
| Birth Names | 0 | - | 4.31 | 61,964 |
| Animal Emojis | 0 | - | 4.74 | 85,531 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,029 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,590 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,251 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,286 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,175 |
| Fictional Cities | 0 | - | 4.27 | 48,012 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,268 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,800 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,880 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,881 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,447 |
| Cities that End in A by Clue | 0 | - | 4.55 | 53,242 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,520 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,379 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,586 |
| Cities that End in S by Clue | 0 | - | 4.57 | 45,174 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,218 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,733 |
| Island Countries | 0 | - | 4.99 | 713,288 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,196 |
| Himalayan Countries | 0 | - | 4.93 | 141,076 |
| Andean Countries | 0 | - | 4.94 | 85,933 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,034 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,677 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,583 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,781 |
| Danube Countries | 0 | - | 4.97 | 72,626 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,895 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,034 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,564 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,044 |
| European Landlocked Countries | 0 | - | 4.99 | 147,839 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,631 |
| Countries with the Most Species | 0 | - | 4.99 | 103,682 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,738 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,839 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,982 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,970 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,721 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,189 |
