| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,752 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,793 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,296 |
| African Great Lakes | 0 | - | 4.82 | 65,160 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,855 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,074 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,152 |
| Sea in the Answers | 0 | - | 4.10 | 48,563 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,099 |
| South China Sea Countries | 0 | - | 4.78 | 57,494 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,679 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,634 |
| Landforms by Country | 0 | - | 4.52 | 51,916 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,902 |
| 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 | 64,844 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,085 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,759 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,455 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,808 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,002 |
| Random Country to Capital | 0 | - | 4.98 | 911,633 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,906 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,040 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,609 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,311 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,779 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,173 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,120 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,238 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,416 |
| Countries with Four Letters | 0 | - | 4.99 | 418,540 |
| Asian Physical Geography | 0 | - | 4.61 | 35,370 |
| Rivers of the United States | 0 | - | 4.93 | 65,521 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,844 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,197 |
| Capital Cities Chain | 0 | - | 4.84 | 81,920 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,001 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,326 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,437 |
| Country Chain | 0 | - | 4.96 | 215,729 |
| Countries by Emojis | 0 | - | 4.99 | 236,187 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,109 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,019 |
| Islands by Country #1 | 0 | - | 4.87 | 174,487 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,924 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,287 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,335 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,811 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,403 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,819 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,523 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,408 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,581 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,805 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,407 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,495 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,025 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,249 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,526 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,403 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,821 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,186 |
| The Only Country ... | 0 | - | 4.91 | 79,885 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,447 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,452 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,343 |
| Countries With No Rivers | 0 | - | 4.96 | 76,028 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,340 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,854 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,578 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,838 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,332 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,441 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,069 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,221 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,247 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,491 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,604 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,032 |
| Random Countries by Borders | 0 | - | 4.99 | 81,677 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,568 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,223 |
| Geological Extremes | 0 | - | 4.34 | 39,934 |
| African Physical Geography | 0 | - | 4.51 | 31,571 |
| European Physical Geography | 0 | - | 4.26 | 33,374 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,861 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,603 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,005 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,473 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,551 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,176 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,519 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,225 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,663 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,821 |
| National Animals | 0 | - | 4.24 | 89,152 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,707 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,227 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,568 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,687 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,911 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,223 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,466 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,167 |
| Boundary Waters | 0 | - | 4.92 | 88,043 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,816 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,287 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,975 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,429 |
| Cities Chain #2 | 0 | - | 4.42 | 56,169 |
| Cities Chain #1 | 0 | - | 4.61 | 66,347 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,124 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,909 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,981 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,920,193 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 956,256 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,618 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,602 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,423 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,686 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,019 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,842 |
| 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 | 277,397 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,101 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,633 |
| South American Physical Geography | 0 | - | 4.58 | 18,271 |
| First Names of Scientists | 0 | - | 4.50 | 56,461 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,479 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,681 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,335 |
| Landlocked Countries | 0 | - | 4.99 | 413,632 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,538 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,211 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,419 |
| 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 | 43,620 |
| Mountains by Country | 0 | - | 4.64 | 81,545 |
| Islands by Country #2 | 0 | - | 4.80 | 76,992 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,884 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,638 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,094 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,190 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,655 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,982 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 236,422 |
| Historical Middle Names | 0 | - | 4.16 | 35,386 |
| People with Food Names | 0 | - | 4.10 | 60,489 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,240 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,601 |
| Random Nicknames #1 | 0 | - | 4.10 | 34,721 |
| Birth Names | 0 | - | 4.30 | 61,423 |
| Animal Emojis | 0 | - | 4.69 | 83,311 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,162 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,999 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,625 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,988 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,949 |
| Fictional Cities | 0 | - | 4.25 | 47,875 |
| Biggest City by River | 0 | - | 4.41 | 52,696 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,026 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,318 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,116 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,410 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,086 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,761 |
| Cities that End in O by Clue | 0 | - | 4.56 | 60,964 |
| Cities that End in N by Clue | 0 | - | 4.55 | 53,918 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,056 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,784 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,115 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,847 |
| Island Countries | 0 | - | 4.99 | 707,627 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,592 |
| Himalayan Countries | 0 | - | 4.95 | 135,352 |
| Andean Countries | 0 | - | 4.94 | 82,827 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,213 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,212 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,901 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,609 |
| Danube Countries | 0 | - | 4.97 | 71,080 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,765 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,539 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,481 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,400 |
| European Landlocked Countries | 0 | - | 4.99 | 145,752 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,213 |
| Countries with the Most Species | 0 | - | 4.99 | 95,241 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,343 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,370 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,957 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,576 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,821 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,563 |
