| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,509 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 88,150 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,601 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,862 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,921 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,371 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,706 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,563 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,605 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,280 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,249 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,820 |
| Africa A-Z | 0 | - | 4.57 | 46,732 |
| European Geography A-Z | 0 | - | 4.29 | 49,426 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,661 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,855 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,690 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,163 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,533 |
| Official European Union Languages | 0 | - | 4.97 | 239,372 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,400 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,573 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 120,940 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,169 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,946 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,616 |
| European Geography By Letter - M | 0 | - | 4.69 | 131,954 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,793 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,321 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,541 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,224 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,158 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,748 |
| France A-Z | 0 | - | 4.16 | 38,305 |
| Switzerland A-Z | 0 | - | 4.45 | 25,736 |
| Middle East A-Z | 0 | - | 4.47 | 46,200 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,737 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,515 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,057 |
| Canada A-Z | 0 | - | 4.73 | 32,926 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,696 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,549 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,719 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,023 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,837 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,538 |
| European Geography By Letter - I | 0 | - | 4.09 | 96,237 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,884 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,303 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,378 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,204 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,668 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,988 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,820 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,580 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,425 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,464 |
| Celtic Nations | 0 | - | 4.61 | 47,054 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,056 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,745 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,600 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,323 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,873 |
| Famous Germans | 0 | - | 4.50 | 55,646 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,028 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,348 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,941 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,574 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,092 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,557 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,215 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,166 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,478 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,559 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,572 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,679 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,747 |
| Russian History A-Z | 0 | - | 4.35 | 32,046 |
| States of Germany | 0 | - | 4.95 | 153,897 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,501 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,208 |
| Regions of Italy | 0 | - | 4.92 | 76,616 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,629 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,951 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,575 |
| London A-Z | 0 | - | 4.10 | 40,848 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,801 |
| Champions League Winners | 0 | - | 4.92 | 1,012,648 |
| African Geography A-Z | 0 | - | 4.33 | 21,516 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,193 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,288 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,226 |
| Countries that Start with D | 0 | - | 4.96 | 714,089 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,337 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,639 |
| Countries that Start with H | 0 | - | 4.96 | 607,910 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,421 |
| Countries that Start with J | 0 | - | 4.98 | 605,386 |
| Countries that Start with K | 0 | - | 4.97 | 819,064 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,686 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,728 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,026 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,311 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,278 |
| Countries that Start with U | 0 | - | 4.97 | 907,148 |
| Countries that Start with V | 0 | - | 4.98 | 611,065 |
| Countries that Start with F | 0 | - | 4.83 | 620,012 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,017 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,013 |
| South America A-Z | 0 | - | 4.15 | 10,935 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,993 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,065 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,321 |
| Departments of France | 0 | - | 4.93 | 54,813 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,692 |
| England or Wales? | 0 | - | 4.94 | 45,879 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,544 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,814 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,242 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,697 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,131 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,210 |
| Slavic Languages | 0 | - | 4.68 | 54,590 |
| Famous French People | 0 | - | 4.07 | 35,979 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,701 |
| The Mafia Quiz | 0 | - | 4.46 | 23,404 |
| History of The Netherlands | 0 | - | 4.46 | 17,522 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,583 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,051 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,185 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,090 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,343 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,963 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,904 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,376 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,866 |
| The Bible A-Z | 0 | - | 4.29 | 59,922 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,878 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,639 |
| 17th Century A-Z | 0 | - | 4.78 | 34,718 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,759 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,000 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,656 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,111 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,454 |
| Name that Greek Letter | 0 | - | 4.93 | 324,599 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,063 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,464 |
| American Football A-Z | 0 | - | 4.26 | 14,548 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,139 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,406 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,436 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,398 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,125 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,303 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,557 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,440 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,601 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,701 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,495 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,599 |
| Famous Russians | 0 | - | 4.16 | 23,890 |
| History of Russia Quiz | 0 | - | 4.47 | 31,980 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,827 |
| The Trojan War | 0 | - | 4.83 | 39,920 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,627 |
| Famous Irish People | 0 | - | 4.05 | 46,046 |
| History of Italy | 0 | - | 4.55 | 32,104 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,168 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,448 |
| Roman Emperors | 0 | - | 4.95 | 120,803 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,772 |
| Famous Nordic People | 0 | - | 4.34 | 20,233 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,627 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,371 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,562 |
| People on Money - England | 0 | - | 4.29 | 16,634 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,237 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 28,138 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,993 |
| Military History A-Z | 0 | - | 4.20 | 21,222 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,322,651 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,748 |
| Human Body A-Z | 0 | - | 4.51 | 129,511 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,115 |
| Australian Capitals | 0 | - | 4.92 | 62,799 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,393 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,400 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,441 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,092 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,394 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,361 |
| Capitals of French Regions | 0 | - | 4.45 | 16,150 |
| Regions of France | 0 | - | 4.70 | 121,677 |
| France Immigration by Country | 0 | - | 4.70 | 76,815 |
| German Groups of Things | 0 | - | 4.47 | 38,585 |
| Capitals of German States | 0 | - | 4.74 | 29,032 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,476 |
| Germany True or False? | 0 | - | 4.61 | 48,955 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,298 |
