| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,659 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,743 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,067 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,150 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,078 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,593 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,745 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,472 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,031 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,505 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,472 |
| Africa A-Z | 0 | - | 4.57 | 46,518 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,252 |
| European Geography A-Z | 0 | - | 4.29 | 49,134 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,451 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,200 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,312 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,936 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,893 |
| Official European Union Languages | 0 | - | 4.97 | 237,807 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,414 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,736 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,165 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,138 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,026 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,484 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,388 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,060 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,836 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,467 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,655 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,824 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,348 |
| France A-Z | 0 | - | 4.16 | 38,121 |
| Switzerland A-Z | 0 | - | 4.45 | 25,590 |
| Middle East A-Z | 0 | - | 4.47 | 45,935 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,502 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,083 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,816 |
| Canada A-Z | 0 | - | 4.73 | 32,739 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,521 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,998 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,469 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,885 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,141 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,760 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,701 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,388 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,105 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,451 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,787 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,672 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,693 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,666 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,573 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,332 |
| Celtic Nations | 0 | - | 4.69 | 46,881 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,535 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,796 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,217 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,802 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,040 |
| Famous Germans | 0 | - | 4.50 | 54,880 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,965 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,973 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,533 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,275 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,738 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,207 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,860 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,638 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,261 |
| African Geography A-Z | 0 | - | 4.33 | 21,451 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,943 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,673 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,326 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,655 |
| States of Germany | 0 | - | 4.96 | 151,324 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,678 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,094 |
| Regions of Italy | 0 | - | 4.92 | 75,309 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,875 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,327 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,797 |
| London A-Z | 0 | - | 4.10 | 40,717 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,631 |
| Champions League Winners | 0 | - | 4.92 | 1,001,670 |
| Countries that Start with A | 0 | - | 4.98 | 2,155,474 |
| Countries that Start with B | 0 | - | 4.95 | 2,287,602 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,526 |
| Countries that Start with D | 0 | - | 4.96 | 705,780 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,640 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,161 |
| Countries that Start with H | 0 | - | 4.96 | 601,477 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,372 |
| Countries that Start with J | 0 | - | 4.98 | 599,444 |
| Countries that Start with K | 0 | - | 4.97 | 812,603 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,842 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,867 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,649 |
| Countries that Start with S | 0 | - | 4.98 | 1,750,017 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,198 |
| Countries that Start with U | 0 | - | 4.97 | 902,357 |
| Countries that Start with V | 0 | - | 4.98 | 607,504 |
| Countries that Start with F | 0 | - | 4.83 | 615,079 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,742 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 58,686 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,708 |
| South America A-Z | 0 | - | 4.13 | 10,874 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,081 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,866 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,265 |
| Departments of France | 0 | - | 4.93 | 53,453 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,468 |
| England or Wales? | 0 | - | 4.94 | 45,518 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,408 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,010 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,491 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,635 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,353 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,008 |
| Slavic Languages | 0 | - | 4.68 | 54,197 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,537 |
| History of The Netherlands | 0 | - | 4.46 | 17,375 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,381 |
| Asian Geography By Letter - S | 0 | - | 4.16 | 56,001 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,818 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,106 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,650 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,613 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,131 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,605 |
| The Bible A-Z | 0 | - | 4.29 | 59,626 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,722 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,361 |
| 17th Century A-Z | 0 | - | 4.78 | 34,247 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,195 |
| Russian History A-Z | 0 | - | 4.38 | 31,466 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,667 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,594 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,006 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,116 |
| Name that Greek Letter | 0 | - | 4.93 | 322,752 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,893 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,145 |
| American Football A-Z | 0 | - | 4.26 | 14,496 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,061 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,542 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,767 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 62,739 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,737 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,409 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,854 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 52,969 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,832 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 38,967 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,780 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,676 |
| Famous Russians | 0 | - | 4.16 | 23,783 |
| History of Russia Quiz | 0 | - | 4.49 | 31,859 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,663 |
| Famous French People | 0 | - | 4.12 | 28,159 |
| The Trojan War | 0 | - | 4.83 | 39,596 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,292 |
| Famous Irish People | 0 | - | 4.05 | 45,918 |
| History of Italy | 0 | - | 4.55 | 31,911 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,525 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,330 |
| Roman Emperors | 0 | - | 4.95 | 119,422 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,586 |
| Famous Nordic People | 0 | - | 4.34 | 20,005 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,572 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,115 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,504 |
| People on Money - England | 0 | - | 4.29 | 16,595 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,539 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,342 |
| Asian Geography By Letter - R | 0 | - | 4.34 | 27,762 |
| Military History A-Z | 0 | - | 4.20 | 21,109 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,311,479 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,320 |
| Human Body A-Z | 0 | - | 4.51 | 128,931 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,072 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.68 | 57,401 |
| Australian Capitals | 0 | - | 4.92 | 62,671 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,992 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,845 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,159 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,811 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,095 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,136 |
| Capitals of French Regions | 0 | - | 4.45 | 16,025 |
| Regions of France | 0 | - | 4.78 | 120,105 |
| France Immigration by Country | 0 | - | 4.70 | 76,276 |
| German Groups of Things | 0 | - | 4.46 | 38,400 |
| Capitals of German States | 0 | - | 4.74 | 28,901 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,230 |
| Germany True or False? | 0 | - | 4.61 | 48,677 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,770 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,787 |
