| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,658 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,422 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,922 |
| African Great Lakes | 0 | - | 4.82 | 67,207 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,855 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,684 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,774 |
| Sea in the Answers | 0 | - | 4.08 | 49,222 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,525 |
| South China Sea Countries | 0 | - | 4.78 | 57,901 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,778 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,950 |
| Landforms by Country | 0 | - | 4.52 | 52,033 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,247 |
| Seas of Europe | 0 | - | 4.37 | 85,001 |
| Capitals by River | 0 | - | 4.55 | 48,413 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,096 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,662,927 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,343 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 61,022 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,480 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,422 |
| Random Country to Capital | 0 | - | 4.98 | 931,043 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,456 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,129,635 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,822 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,941 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,327 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,919 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 121,064 |
| Anagram Chain - Countries | 0 | - | 4.98 | 118,043 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,853 |
| Countries with Four Letters | 0 | - | 4.99 | 426,738 |
| African Physical Geography | 0 | - | 4.51 | 31,849 |
| Asian Physical Geography | 0 | - | 4.61 | 35,649 |
| Rivers of the United States | 0 | - | 4.93 | 66,842 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,473 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,334 |
| Capital Cities Chain | 0 | - | 4.84 | 83,591 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,792 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,444 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,799 |
| Country Chain | 0 | - | 4.96 | 218,747 |
| Countries by Emojis | 0 | - | 4.99 | 243,028 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,767 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,629 |
| Islands by Country #1 | 0 | - | 4.90 | 176,927 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,401 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,718 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,517 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,721 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,811 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,564 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,507 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,802 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,784 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,604 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,822 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,288 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,404 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,720 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 747,083 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,333 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 48,014 |
| The Only Country ... | 0 | - | 4.91 | 82,140 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,979 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,883 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,826 |
| Countries With No Rivers | 0 | - | 4.96 | 77,293 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,252 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 90,077 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,797 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,603 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,168 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,445 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 142,276 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,890 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,213 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,308 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,674 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,790 |
| Random Countries by Borders | 0 | - | 4.99 | 83,251 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 389,376 |
| Random Name a Valid Country | 0 | - | 4.99 | 207,011 |
| Geological Extremes | 0 | - | 4.34 | 40,131 |
| European Physical Geography | 0 | - | 4.26 | 33,623 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,525 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 57,044 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,642 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,954 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,533 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,421 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,655 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,671 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,620 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,189 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,624 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,063 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 140,641 |
| National Animals | 0 | - | 4.24 | 90,284 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,161 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,113 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,842 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,226 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,935 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,484 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,633 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,031 |
| Boundary Waters | 0 | - | 4.92 | 88,875 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,918 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,545 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,536 |
| Cities Chain #2 | 0 | - | 4.42 | 56,559 |
| Cities Chain #1 | 0 | - | 4.61 | 66,885 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,234 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,217 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,434 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,014,524 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 984,349 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,252 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,141 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 98,012 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 114,828 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,406 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 80,049 |
| 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 | 281,445 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,369 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,749 |
| South American Physical Geography | 0 | - | 4.58 | 18,416 |
| First Names of Scientists | 0 | - | 4.51 | 57,305 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,759 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,796 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,508 |
| Landlocked Countries | 0 | - | 4.99 | 427,812 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,691 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,138 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,820 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,455 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,437 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,721 |
| Countries by Milk Production | 0 | - | 4.54 | 44,330 |
| Mountains by Country | 0 | - | 4.56 | 82,055 |
| Islands by Country #2 | 0 | - | 4.80 | 78,078 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,816,340 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,781 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,435 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,508 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,102 |
| 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 | 243,679 |
| Historical Middle Names | 0 | - | 4.16 | 36,368 |
| People with Food Names | 0 | - | 4.09 | 71,993 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 41,225 |
| First Names of Historical Figures #1 | 0 | - | 4.40 | 230,704 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,999 |
| Also Known As #1 | 0 | - | 4.18 | 31,965 |
| Birth Names | 0 | - | 4.31 | 61,963 |
| Animal Emojis | 0 | - | 4.74 | 85,529 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,026 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,580 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,248 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,285 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,140 |
| Fictional Cities | 0 | - | 4.27 | 48,011 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,268 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,798 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,767 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,851 |
| 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 | 61,519 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,376 |
| 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 | 377,211 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,710 |
| Island Countries | 0 | - | 4.99 | 713,259 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,177 |
| Himalayan Countries | 0 | - | 4.93 | 141,062 |
| Andean Countries | 0 | - | 4.94 | 85,920 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,029 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,662 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,575 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,776 |
| Danube Countries | 0 | - | 4.97 | 72,620 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,887 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,028 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,557 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,029 |
| European Landlocked Countries | 0 | - | 4.99 | 147,830 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,625 |
| Countries with the Most Species | 0 | - | 4.99 | 103,679 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,730 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,837 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,981 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,967 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,714 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,183 |