| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,953 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,851 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,029 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,545 |
| Russian History A-Z | 0 | - | 4.35 | 32,227 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,519 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,036 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,219 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,620 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,052 |
| European Geography By Letter - D | 0 | - | 4.49 | 117,799 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,127 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,583 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,170 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,648 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,082 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,650 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,473 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,735 |
| Official European Union Languages | 0 | - | 4.97 | 239,820 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,662 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,919 |
| Countries that Border Poland | 0 | - | 4.99 | 173,180 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,241 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,375 |
| London A-Z | 0 | - | 4.10 | 40,880 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,745 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,269 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,538 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,252 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,011 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,614 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,249 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,621 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,620 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,323 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,923 |
| European Geography A-Z | 0 | - | 4.29 | 49,486 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,059 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,001 |
| Africa A-Z | 0 | - | 4.57 | 46,772 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,387 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,775 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,855 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,858 |
| France A-Z | 0 | - | 4.16 | 38,337 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,696 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,451 |
| Switzerland A-Z | 0 | - | 4.45 | 25,768 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,778 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,129 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,706 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,934 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,991 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 302,020 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,517 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,507 |
| Celtic Nations | 0 | - | 4.61 | 47,101 |
| Famous Germans | 0 | - | 4.50 | 55,796 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,388 |
| Champions League Winners | 0 | - | 4.92 | 1,016,279 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,472 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,084 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,674 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,215 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,668 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,324 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,317 |
| Middle East A-Z | 0 | - | 4.47 | 46,240 |
| Countries that Start with A | 0 | - | 4.98 | 2,175,938 |
| Countries that Start with B | 0 | - | 4.95 | 2,306,657 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,612 |
| Countries that Start with D | 0 | - | 4.96 | 716,523 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,212 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,658 |
| Countries that Start with H | 0 | - | 4.96 | 609,661 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,668 |
| Countries that Start with J | 0 | - | 4.98 | 607,051 |
| Countries that Start with K | 0 | - | 4.97 | 820,838 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,920 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,969 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,116 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,271 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,995 |
| Countries that Start with U | 0 | - | 4.97 | 908,536 |
| Countries that Start with V | 0 | - | 4.98 | 612,046 |
| Countries that Start with F | 0 | - | 4.83 | 621,349 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,369 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,833 |
| Canada A-Z | 0 | - | 4.73 | 32,971 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,774 |
| Famous Russians | 0 | - | 4.16 | 23,912 |
| Countries That Border Russia | 0 | - | 4.98 | 464,527 |
| States of Germany | 0 | - | 4.95 | 154,534 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,701 |
| Regions of Italy | 0 | - | 4.92 | 77,096 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,809 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,341 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,772 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,852 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,688 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,002 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 57,130 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,754 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,894 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,942 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,948 |
| Russia Country Quiz | 0 | - | 4.83 | 115,323 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,748 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,593 |
| Famous French People | 0 | - | 4.05 | 36,110 |
| Departments of France | 0 | - | 4.93 | 55,171 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,746 |
| History of The Netherlands | 0 | - | 4.46 | 17,556 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,119 |
| England or Wales? | 0 | - | 4.94 | 45,971 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,168 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,248 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,185 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,419 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,073 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,020 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,459 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,948 |
| Turkey A-Z | 0 | - | 4.04 | 11,931 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,054 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,614 |
| California Cities A-Z | 0 | - | 4.06 | 17,443 |
| Hawaii A-Z | 0 | - | 4.28 | 13,488 |
| Texas A-Z | 0 | - | 4.19 | 16,437 |
| Ohio A-Z | 0 | - | 4.21 | 6,408 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,588 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,530 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,720 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,332 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,225 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,949 |
| Slavic Languages | 0 | - | 4.67 | 54,699 |
| Poland Country Quiz | 0 | - | 4.20 | 63,733 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,276 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,613 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,012 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 28,049 |
| Moldova Country Quiz | 0 | - | 4.82 | 31,029 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,102 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,089 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,672 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,144 |
| The Trojan War | 0 | - | 4.83 | 39,993 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,996 |
| Name that Greek Letter | 0 | - | 4.93 | 324,995 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,968 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,742 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,594 |
| Roman Emperors | 0 | - | 4.95 | 121,217 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,628 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,384 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,896 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,650 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,581 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 123,019 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,566 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,605 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,567 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,326 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,503 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,679 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,594 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,753 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,955 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,678 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,851 |
| History of Russia Quiz | 0 | - | 4.47 | 32,006 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,873 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,821 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,802 |
| Famous Irish People | 0 | - | 4.05 | 46,065 |
| History of Italy | 0 | - | 4.55 | 32,148 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,382 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,825 |
| Famous Nordic People | 0 | - | 4.34 | 20,308 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,645 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,426 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,579 |
| People on Money - England | 0 | - | 4.29 | 16,645 |
| British Geography A-Z | 0 | - | 4.42 | 19,614 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 28,260 |
| African Geography A-Z | 0 | - | 4.33 | 21,535 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,883 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 77,614 |
| Movie Characters A-Z | 0 | - | 4.17 | 61,936 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,336 |
| South America A-Z | 0 | - | 4.15 | 10,948 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,529 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,730 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,631 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,533 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,187 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,464 |
