| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,845 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,301 |
| African Great Lakes | 0 | - | 4.82 | 66,871 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,308 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,665 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,575 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,645 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,925 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,357 |
| Capitals by River | 0 | - | 4.55 | 48,380 |
| Rivers of the United States | 0 | - | 4.93 | 66,588 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,206 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,829 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,287 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,552 |
| Landforms by Country | 0 | - | 4.52 | 52,012 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,908 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,425 |
| Sea in the Answers | 0 | - | 4.08 | 49,130 |
| South China Sea Countries | 0 | - | 4.78 | 57,821 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,836 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,648,141 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,627 |
| Random Country to Capital | 0 | - | 4.98 | 926,679 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,111,478 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,182 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,468 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,891 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,643 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,969 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,377 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,480 |
| Countries with Four Letters | 0 | - | 4.99 | 425,277 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,760 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,586 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,209 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,327 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,005 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,425 |
| African Physical Geography | 0 | - | 4.51 | 31,799 |
| Asian Physical Geography | 0 | - | 4.61 | 35,607 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 739,818 |
| Capital Cities Chain | 0 | - | 4.84 | 83,264 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,460 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,792 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,212 |
| Country Chain | 0 | - | 4.96 | 218,265 |
| Countries by Emojis | 0 | - | 4.99 | 241,532 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 47,985 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,462 |
| Islands by Country #1 | 0 | - | 4.90 | 176,199 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,142 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,463 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,320 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,504 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,581 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,680 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,582 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,767 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,805 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,686 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,290 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,583 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,704 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,179 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,167 |
| The Only Country ... | 0 | - | 4.91 | 81,765 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,603 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,619 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,573 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,017 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,825 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,846 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,801 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,466 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,835 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,075 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,030 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,048 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,467 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,487 |
| Random Countries by Borders | 0 | - | 4.99 | 82,936 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,951 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,390 |
| Geological Extremes | 0 | - | 4.34 | 40,097 |
| European Physical Geography | 0 | - | 4.26 | 33,585 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,531 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,849 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,398 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,617 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,926 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,155 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,021 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,544 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,979 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,219 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,774 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,668 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,254 |
| National Animals | 0 | - | 4.24 | 90,188 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,689 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,762 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,787 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,646 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,591 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,384 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,999 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,420 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,348 |
| Cities Chain #2 | 0 | - | 4.42 | 56,498 |
| Cities Chain #1 | 0 | - | 4.61 | 66,790 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,100 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,799,300 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 981,708 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,132 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,025 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,223 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,702 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,955 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,453 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,720 |
| South American Physical Geography | 0 | - | 4.58 | 18,396 |
| Seas of Europe | 0 | - | 4.37 | 84,867 |
| First Names of Scientists | 0 | - | 4.51 | 57,169 |
| Boundary Waters | 0 | - | 4.92 | 88,718 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,372 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,589 |
| World Capitals Quiz | 0 | - | 5.00 | 5,100,319 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,462 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,471 |
| Landlocked Countries | 0 | - | 4.99 | 424,739 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,654 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,020 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,700 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,265 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,372 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 185,328 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,665 |
| Countries by Milk Production | 0 | - | 4.54 | 44,192 |
| Mountains by Country | 0 | - | 4.56 | 81,959 |
| Islands by Country #2 | 0 | - | 4.80 | 77,799 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,797,760 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,604 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,364 |
| Rivers A-Z | 0 | - | 4.35 | 32,845 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,358 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,335 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 242,319 |
| Historical Middle Names | 0 | - | 4.16 | 36,088 |
| People with Food Names | 0 | - | 4.10 | 61,338 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,914 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 230,239 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,921 |
| Also Known As #1 | 0 | - | 4.18 | 31,811 |
| Birth Names | 0 | - | 4.31 | 61,876 |
| Animal Emojis | 0 | - | 4.74 | 85,142 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,871 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,307 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,837 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,869 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,617 |
| Fictional Cities | 0 | - | 4.26 | 47,978 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,224 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,283 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,991 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,401 |
| Cities that End in A by Clue | 0 | - | 4.55 | 53,172 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,443 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,295 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,510 |
| Cities that End in S by Clue | 0 | - | 4.57 | 45,121 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,385 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,096 |
| Island Countries | 0 | - | 4.99 | 712,158 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,735 |
| Himalayan Countries | 0 | - | 4.93 | 139,850 |
| Andean Countries | 0 | - | 4.94 | 85,223 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,395 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,707 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,960 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,265 |
| Danube Countries | 0 | - | 4.97 | 72,291 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,440 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,728 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,901 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,399 |
| European Landlocked Countries | 0 | - | 4.99 | 147,481 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,124 |
| Countries with the Most Species | 0 | - | 4.99 | 103,503 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,270 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,719 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,829 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,766 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,499 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,923 |
| Countries in the Alps | 0 | - | 4.87 | 118,627 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,388 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,644 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,890 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,917 |
