| African Great Lakes | 0 | - | 4.82 | 65,069 |
| Sea in the Answers | 0 | - | 4.10 | 48,515 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,761 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,790 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,048 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,115 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,761 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,045 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,673 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,431 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,265 |
| Landforms by Country | 0 | - | 4.52 | 51,911 |
| Capitals by River | 0 | - | 4.55 | 48,223 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,799 |
| South China Sea Countries | 0 | - | 4.78 | 57,475 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,780 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,836 |
| Random Country to Capital | 0 | - | 4.98 | 910,814 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,787 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,556 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,275 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,544 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,920 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 115,923 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,119 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,378 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,369 |
| Countries with Four Letters | 0 | - | 4.99 | 418,198 |
| Asian Physical Geography | 0 | - | 4.61 | 35,362 |
| Rivers of the United States | 0 | - | 4.93 | 65,444 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,681 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,074 |
| Capital Cities Chain | 0 | - | 4.84 | 81,842 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,908 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,202 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,320 |
| Country Chain | 0 | - | 4.96 | 215,606 |
| Countries by Emojis | 0 | - | 4.99 | 235,918 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,683 |
| Islands by Country #1 | 0 | - | 4.87 | 174,419 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,862 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,231 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,299 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,574 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,349 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,631 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,036 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,172 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,328 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,623 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,240 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,336 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,203 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,815 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,259 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,805 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,642 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,882 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,955 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,058 |
| The Only Country ... | 0 | - | 4.91 | 79,760 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,342 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,396 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,283 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,297 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,781 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,567 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,582 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,337 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,620 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,145 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,309 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,053 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,017 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,433 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,553 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,974 |
| Random Countries by Borders | 0 | - | 4.99 | 81,602 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,108 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,076 |
| Geological Extremes | 0 | - | 4.34 | 39,924 |
| African Physical Geography | 0 | - | 4.51 | 31,560 |
| European Physical Geography | 0 | - | 4.26 | 33,367 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,736 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,983 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,466 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,297 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,394 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,063 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,592 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,555 |
| National Animals | 0 | - | 4.24 | 89,131 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,561 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,025 |
| Bear in the Answers | 0 | - | 4.29 | 61,580 |
| Boundary Waters | 0 | - | 4.92 | 88,009 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,791 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,201 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,948 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,377 |
| Cities Chain #2 | 0 | - | 4.42 | 56,151 |
| Cities Chain #1 | 0 | - | 4.61 | 66,322 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,091 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,856 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,849 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,871,050 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 955,782 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,595 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,584 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,270 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,541 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,461 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,823 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,762 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,267 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,630 |
| South American Physical Geography | 0 | - | 4.58 | 18,263 |
| Seas of Europe | 0 | - | 4.37 | 83,790 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,331 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,413 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,326 |
| Landlocked Countries | 0 | - | 4.99 | 413,079 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,846 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,508 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,182 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,938 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,440 |
| Countries by Milk Production | 0 | - | 4.54 | 43,580 |
| Mountains by Country | 0 | - | 4.64 | 81,529 |
| Islands by Country #2 | 0 | - | 4.80 | 76,952 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,536 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,599 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,078 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 236,179 |
| Animal Emojis | 0 | - | 4.69 | 83,246 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,122 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,930 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,501 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,865 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,263 |
| Fictional Cities | 0 | - | 4.25 | 47,865 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,007 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,623 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,090 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,068 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,745 |
| Cities that End in O by Clue | 0 | - | 4.56 | 60,939 |
| Cities that End in N by Clue | 0 | - | 4.55 | 53,901 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,032 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,762 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,912 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,149 |
| Island Countries | 0 | - | 4.99 | 707,349 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,346 |
| Himalayan Countries | 0 | - | 4.95 | 135,131 |
| Andean Countries | 0 | - | 4.94 | 82,712 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,131 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,049 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,803 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,505 |
| Danube Countries | 0 | - | 4.97 | 71,020 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,682 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,477 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,339 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,259 |
| European Landlocked Countries | 0 | - | 4.99 | 145,691 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,094 |
| Countries with the Most Species | 0 | - | 4.99 | 95,208 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,246 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,183 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,342 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,919 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,536 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,892 |
| Countries in the Alps | 0 | - | 4.87 | 116,724 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,501 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,129 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,963 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,353 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,087 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,947 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,499 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,706 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,734 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,999 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,175 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,009 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 65,851 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,392 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,696 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,932 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,584 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,214 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,713 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,952 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,444 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,558 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,413 |
