| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,849 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,309 |
| African Great Lakes | 0 | - | 4.82 | 66,871 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,312 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,671 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,577 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,650 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,926 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,357 |
| Capitals by River | 0 | - | 4.55 | 48,381 |
| Rivers of the United States | 0 | - | 4.93 | 66,590 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,208 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,830 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,295 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,558 |
| Landforms by Country | 0 | - | 4.52 | 52,012 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,912 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,427 |
| Sea in the Answers | 0 | - | 4.08 | 49,132 |
| South China Sea Countries | 0 | - | 4.78 | 57,823 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,836 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,648,313 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,715 |
| Random Country to Capital | 0 | - | 4.98 | 926,709 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,111,547 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,185 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,474 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,909 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,664 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,986 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,384 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,484 |
| Countries with Four Letters | 0 | - | 4.99 | 425,293 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,769 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,598 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,209 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,349 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,007 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,435 |
| African Physical Geography | 0 | - | 4.51 | 31,801 |
| Asian Physical Geography | 0 | - | 4.61 | 35,608 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 739,935 |
| Capital Cities Chain | 0 | - | 4.84 | 83,267 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,465 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,799 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,220 |
| Country Chain | 0 | - | 4.96 | 218,273 |
| Countries by Emojis | 0 | - | 4.99 | 241,551 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 47,985 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,466 |
| Islands by Country #1 | 0 | - | 4.90 | 176,212 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,142 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,468 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,322 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,524 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,582 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,692 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,608 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,783 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,820 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,700 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,347 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,601 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,722 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,180 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,168 |
| The Only Country ... | 0 | - | 4.91 | 81,768 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,610 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,621 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,576 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,019 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,828 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,866 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,822 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,484 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,849 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,089 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,051 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,049 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,469 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,488 |
| Random Countries by Borders | 0 | - | 4.99 | 82,943 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,996 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,410 |
| Geological Extremes | 0 | - | 4.34 | 40,097 |
| European Physical Geography | 0 | - | 4.26 | 33,585 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,533 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,849 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,422 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,629 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,940 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,184 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,031 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,557 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,982 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,223 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,775 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,684 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,261 |
| National Animals | 0 | - | 4.24 | 90,188 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,701 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,776 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,788 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,651 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,592 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,396 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 53,007 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,421 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,352 |
| Cities Chain #2 | 0 | - | 4.42 | 56,499 |
| Cities Chain #1 | 0 | - | 4.61 | 66,791 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,101 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,803,279 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 981,749 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,135 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,025 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,293 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,707 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,956 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,459 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,720 |
| South American Physical Geography | 0 | - | 4.58 | 18,397 |
| Seas of Europe | 0 | - | 4.37 | 84,867 |
| First Names of Scientists | 0 | - | 4.51 | 57,169 |
| Boundary Waters | 0 | - | 4.92 | 88,720 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,374 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,597 |
| World Capitals Quiz | 0 | - | 5.00 | 5,100,541 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,464 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,471 |
| Landlocked Countries | 0 | - | 4.99 | 424,781 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,654 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,024 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,700 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,267 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,376 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 185,338 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,667 |
| Countries by Milk Production | 0 | - | 4.54 | 44,193 |
| Mountains by Country | 0 | - | 4.56 | 81,960 |
| Islands by Country #2 | 0 | - | 4.80 | 77,804 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,798,007 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,607 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,366 |
| Rivers A-Z | 0 | - | 4.35 | 32,845 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,359 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,346 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 242,332 |
| Historical Middle Names | 0 | - | 4.16 | 36,097 |
| People with Food Names | 0 | - | 4.10 | 61,344 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,921 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 230,255 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,922 |
| Also Known As #1 | 0 | - | 4.18 | 31,815 |
| Birth Names | 0 | - | 4.31 | 61,877 |
| Animal Emojis | 0 | - | 4.74 | 85,149 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,873 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,315 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,843 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,873 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,647 |
| Fictional Cities | 0 | - | 4.26 | 47,978 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,224 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,392 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 491,018 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,402 |
| 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 | 57,511 |
| Cities that End in S by Clue | 0 | - | 4.57 | 45,121 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,398 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,118 |
| Island Countries | 0 | - | 4.99 | 712,177 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,750 |
| Himalayan Countries | 0 | - | 4.93 | 139,862 |
| Andean Countries | 0 | - | 4.94 | 85,227 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,401 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,716 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,966 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,272 |
| Danube Countries | 0 | - | 4.97 | 72,292 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,445 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,735 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,907 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,407 |
| European Landlocked Countries | 0 | - | 4.99 | 147,487 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,131 |
| Countries with the Most Species | 0 | - | 4.99 | 103,505 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,277 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,719 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,830 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,768 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,502 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,926 |
| Countries in the Alps | 0 | - | 4.87 | 118,634 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,397 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,654 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,894 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,921 |
