| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,763 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,795 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,299 |
| African Great Lakes | 0 | - | 4.82 | 65,174 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,861 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,077 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,157 |
| Sea in the Answers | 0 | - | 4.10 | 48,568 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,102 |
| South China Sea Countries | 0 | - | 4.78 | 57,494 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,685 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,637 |
| Landforms by Country | 0 | - | 4.52 | 51,917 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,907 |
| Seas of Europe | 0 | - | 4.37 | 83,824 |
| Capitals by River | 0 | - | 4.55 | 48,236 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,849 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,422 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,761 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,458 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,810 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,124 |
| Random Country to Capital | 0 | - | 4.98 | 911,695 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,913 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,149 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,616 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,316 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,805 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,192 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,140 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,252 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,419 |
| Countries with Four Letters | 0 | - | 4.99 | 418,563 |
| Asian Physical Geography | 0 | - | 4.61 | 35,371 |
| Rivers of the United States | 0 | - | 4.93 | 65,523 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,860 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,207 |
| Capital Cities Chain | 0 | - | 4.84 | 81,928 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,006 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,335 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,447 |
| Country Chain | 0 | - | 4.96 | 215,745 |
| Countries by Emojis | 0 | - | 4.99 | 236,208 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,121 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,051 |
| Islands by Country #1 | 0 | - | 4.87 | 174,496 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,929 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,290 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,342 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,829 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,408 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,837 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,571 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,430 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,605 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,818 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,426 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,509 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,035 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,254 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,607 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,408 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,821 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,199 |
| The Only Country ... | 0 | - | 4.91 | 79,900 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,454 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,462 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,354 |
| Countries With No Rivers | 0 | - | 4.96 | 76,035 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,342 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,858 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,600 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,861 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,355 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,469 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,142 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,240 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,251 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,495 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,607 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,038 |
| Random Countries by Borders | 0 | - | 4.99 | 81,682 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,593 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,237 |
| Geological Extremes | 0 | - | 4.34 | 39,937 |
| African Physical Geography | 0 | - | 4.51 | 31,571 |
| European Physical Geography | 0 | - | 4.26 | 33,375 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,863 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,607 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,007 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,474 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,579 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,194 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,537 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,271 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,671 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,835 |
| National Animals | 0 | - | 4.24 | 89,158 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,715 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,233 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,568 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,688 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,918 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,245 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,466 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,184 |
| Boundary Waters | 0 | - | 4.92 | 88,047 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,818 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,294 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,981 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,433 |
| Cities Chain #2 | 0 | - | 4.42 | 56,170 |
| Cities Chain #1 | 0 | - | 4.61 | 66,347 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,128 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,913 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,993 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,924,958 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 956,284 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,623 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,604 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,451 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,706 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,039 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,843 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,775 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,417 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,122 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,634 |
| South American Physical Geography | 0 | - | 4.58 | 18,271 |
| First Names of Scientists | 0 | - | 4.50 | 56,461 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,027 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,696 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,335 |
| Landlocked Countries | 0 | - | 4.99 | 413,679 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,540 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,212 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,428 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,953 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,459 |
| Countries by Milk Production | 0 | - | 4.54 | 43,624 |
| Mountains by Country | 0 | - | 4.64 | 81,545 |
| Islands by Country #2 | 0 | - | 4.80 | 76,995 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,377 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,645 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,097 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,197 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,655 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,985 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 236,442 |
| Historical Middle Names | 0 | - | 4.16 | 35,389 |
| People with Food Names | 0 | - | 4.10 | 60,491 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,243 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,607 |
| Random Nicknames #1 | 0 | - | 4.10 | 34,722 |
| Birth Names | 0 | - | 4.30 | 61,423 |
| Animal Emojis | 0 | - | 4.69 | 83,320 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,163 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,008 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,639 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,015 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,055 |
| Fictional Cities | 0 | - | 4.25 | 47,875 |
| Biggest City by River | 0 | - | 4.41 | 52,697 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,030 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,320 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,269 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,443 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,089 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,767 |
| Cities that End in O by Clue | 0 | - | 4.56 | 60,966 |
| Cities that End in N by Clue | 0 | - | 4.55 | 53,918 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,062 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,787 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,137 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,877 |
| Island Countries | 0 | - | 4.99 | 707,647 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,615 |
| Himalayan Countries | 0 | - | 4.95 | 135,381 |
| Andean Countries | 0 | - | 4.94 | 82,832 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,223 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,223 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,913 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,616 |
| Danube Countries | 0 | - | 4.97 | 71,088 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,769 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,541 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,496 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,410 |
| European Landlocked Countries | 0 | - | 4.99 | 145,759 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,220 |
| Countries with the Most Species | 0 | - | 4.99 | 95,243 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,356 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,200 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,371 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,959 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,830 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,574 |
