| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,742 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,790 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,294 |
| African Great Lakes | 0 | - | 4.82 | 65,149 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,849 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,072 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,147 |
| Sea in the Answers | 0 | - | 4.10 | 48,556 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,091 |
| South China Sea Countries | 0 | - | 4.78 | 57,491 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,671 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,624 |
| Landforms by Country | 0 | - | 4.52 | 51,915 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,898 |
| Seas of Europe | 0 | - | 4.37 | 83,823 |
| Capitals by River | 0 | - | 4.55 | 48,234 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,791 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,587,661 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,757 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,451 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,804 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,882 |
| Random Country to Capital | 0 | - | 4.98 | 911,536 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,893 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,876 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,602 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,307 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,748 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,145 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,097 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,219 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,412 |
| Countries with Four Letters | 0 | - | 4.99 | 418,497 |
| Asian Physical Geography | 0 | - | 4.61 | 35,370 |
| Rivers of the United States | 0 | - | 4.93 | 65,510 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,828 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,180 |
| Capital Cities Chain | 0 | - | 4.84 | 81,911 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,988 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,309 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,426 |
| Country Chain | 0 | - | 4.96 | 215,714 |
| Countries by Emojis | 0 | - | 4.99 | 236,146 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,101 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,986 |
| Islands by Country #1 | 0 | - | 4.87 | 174,475 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,911 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,274 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,329 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,785 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,396 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,793 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,454 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,375 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,556 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,781 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,381 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,472 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,008 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,237 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,433 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,391 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,818 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,164 |
| The Only Country ... | 0 | - | 4.91 | 79,868 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,431 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,444 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,335 |
| Countries With No Rivers | 0 | - | 4.96 | 76,026 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,336 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,845 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,558 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,803 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,318 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,428 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,021 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,199 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,239 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,483 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,593 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,027 |
| Random Countries by Borders | 0 | - | 4.99 | 81,665 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,522 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,206 |
| Geological Extremes | 0 | - | 4.34 | 39,933 |
| African Physical Geography | 0 | - | 4.51 | 31,567 |
| European Physical Geography | 0 | - | 4.26 | 33,373 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,854 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,596 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,000 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,473 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,516 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,158 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,503 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,198 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,655 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,796 |
| National Animals | 0 | - | 4.24 | 89,145 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,698 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,227 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,567 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,685 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,903 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,196 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,465 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,142 |
| Boundary Waters | 0 | - | 4.92 | 88,037 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,812 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,276 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,973 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,424 |
| Cities Chain #2 | 0 | - | 4.42 | 56,166 |
| Cities Chain #1 | 0 | - | 4.61 | 66,344 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,117 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,905 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,961 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,913,309 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 956,163 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,615 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,601 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,408 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,673 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,888 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,840 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,772 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,388 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,088 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,632 |
| South American Physical Geography | 0 | - | 4.58 | 18,270 |
| First Names of Scientists | 0 | - | 4.50 | 56,456 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,932 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,666 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,334 |
| Landlocked Countries | 0 | - | 4.99 | 413,524 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,531 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,209 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,414 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,952 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,458 |
| Countries by Milk Production | 0 | - | 4.54 | 43,615 |
| Mountains by Country | 0 | - | 4.64 | 81,544 |
| Islands by Country #2 | 0 | - | 4.80 | 76,986 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,715,947 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,634 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,092 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,184 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,653 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,981 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 236,406 |
| Historical Middle Names | 0 | - | 4.16 | 35,381 |
| People with Food Names | 0 | - | 4.10 | 60,479 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,234 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,595 |
| Random Nicknames #1 | 0 | - | 4.10 | 34,720 |
| Birth Names | 0 | - | 4.30 | 61,423 |
| Animal Emojis | 0 | - | 4.69 | 83,298 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,158 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,993 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,604 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,971 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,813 |
| Fictional Cities | 0 | - | 4.25 | 47,874 |
| Biggest City by River | 0 | - | 4.41 | 52,695 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,020 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,313 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,898 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,371 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,082 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,760 |
| Cities that End in O by Clue | 0 | - | 4.56 | 60,961 |
| Cities that End in N by Clue | 0 | - | 4.55 | 53,916 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,053 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,781 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,092 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,806 |
| Island Countries | 0 | - | 4.99 | 707,586 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,556 |
| Himalayan Countries | 0 | - | 4.95 | 135,328 |
| Andean Countries | 0 | - | 4.94 | 82,810 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,205 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,183 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,884 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,590 |
| Danube Countries | 0 | - | 4.97 | 71,071 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,750 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,530 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,456 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,376 |
| European Landlocked Countries | 0 | - | 4.99 | 145,743 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,189 |
| Countries with the Most Species | 0 | - | 4.99 | 95,238 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,327 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,365 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,951 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,571 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,944 |
| Countries in the Alps | 0 | - | 4.86 | 116,807 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,552 |
