| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,982 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,095 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,568 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,747 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,117 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,744 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,022 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,418 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,820 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,371 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,039 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,367 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,232 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,042 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,305 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,871 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,910 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,503 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,353 |
| Official European Union Languages | 0 | - | 4.97 | 238,974 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,170 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,202 |
| Russian History A-Z | 0 | - | 4.35 | 31,888 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,182 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,174 |
| London A-Z | 0 | - | 4.10 | 40,821 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,655 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,292 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,636 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,490 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,175 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,919 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,553 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,033 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,165 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,122 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,462 |
| European Geography A-Z | 0 | - | 4.29 | 49,370 |
| History of Russia Quiz | 0 | - | 4.47 | 31,957 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,921 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,466 |
| Africa A-Z | 0 | - | 4.57 | 46,687 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 154,157 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,508 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,372 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,667 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,613 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,448 |
| Slavic Countries | 0 | - | 4.96 | 111,928 |
| France A-Z | 0 | - | 4.16 | 38,272 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,490 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,217 |
| Switzerland A-Z | 0 | - | 4.45 | 25,695 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,374 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,806 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,100 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,570 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,827 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,363 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,150 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,436 |
| Celtic Nations | 0 | - | 4.69 | 47,003 |
| Famous Germans | 0 | - | 4.50 | 55,544 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,850 |
| Champions League Winners | 0 | - | 4.92 | 1,010,234 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,280 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,852 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,513 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,024 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,485 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,142 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,050 |
| Middle East A-Z | 0 | - | 4.47 | 46,156 |
| Countries that Start with A | 0 | - | 4.98 | 2,167,367 |
| Countries that Start with B | 0 | - | 4.95 | 2,298,696 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,508 |
| Countries that Start with D | 0 | - | 4.96 | 712,107 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,097 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,336 |
| Countries that Start with H | 0 | - | 4.96 | 606,498 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,589 |
| Countries that Start with J | 0 | - | 4.98 | 604,084 |
| Countries that Start with K | 0 | - | 4.97 | 817,641 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,934 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,005 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,361 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,970 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,530 |
| Countries that Start with U | 0 | - | 4.97 | 905,840 |
| Countries that Start with V | 0 | - | 4.98 | 610,289 |
| Countries that Start with F | 0 | - | 4.83 | 618,937 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,154 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,781 |
| Canada A-Z | 0 | - | 4.73 | 32,893 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,422 |
| Famous Russians | 0 | - | 4.16 | 23,872 |
| Geography of Russia | 0 | - | 4.57 | 21,556 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,132 |
| States of Germany | 0 | - | 4.95 | 153,302 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,309 |
| Regions of Italy | 0 | - | 4.92 | 76,306 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,461 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,473 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,434 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,760 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,623 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,757 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,707 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,153 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,594 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,022 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,453 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,727 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,424 |
| Famous French People | 0 | - | 4.07 | 35,877 |
| Departments of France | 0 | - | 4.93 | 54,516 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,621 |
| History of The Netherlands | 0 | - | 4.46 | 17,491 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,967 |
| England or Wales? | 0 | - | 4.94 | 45,812 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,081 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,152 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,022 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,296 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,886 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,846 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,317 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,812 |
| Turkey A-Z | 0 | - | 4.04 | 11,873 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,504 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,450 |
| California Cities A-Z | 0 | - | 4.06 | 17,321 |
| Hawaii A-Z | 0 | - | 4.28 | 13,464 |
| Texas A-Z | 0 | - | 4.19 | 16,392 |
| Ohio A-Z | 0 | - | 4.21 | 6,391 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,562 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,201 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,676 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,915 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,701 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,660 |
| Slavic Languages | 0 | - | 4.68 | 54,484 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,999 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,452 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,933 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,891 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,873 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,646 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,091 |
| The Trojan War | 0 | - | 4.83 | 39,808 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,105 |
| Name that Greek Letter | 0 | - | 4.93 | 324,226 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,295 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,668 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,664 |
| Roman Emperors | 0 | - | 4.95 | 120,442 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,517 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,138 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,760 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,573 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,388 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,188 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,316 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,336 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,303 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,023 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,168 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,502 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,338 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,507 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 35,910 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,381 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,380 |
| Word Chain - Russia | 0 | - | 4.33 | 15,772 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,783 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,556 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,028 |
| Famous Irish People | 0 | - | 4.05 | 46,025 |
| History of Italy | 0 | - | 4.55 | 32,062 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,986 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,725 |
| Famous Nordic People | 0 | - | 4.34 | 20,178 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,624 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,305 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,547 |
| People on Money - England | 0 | - | 4.29 | 16,625 |
| British Geography A-Z | 0 | - | 4.42 | 19,567 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 28,064 |
| African Geography A-Z | 0 | - | 4.33 | 21,500 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,652 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,455 |
| Movie Characters A-Z | 0 | - | 4.17 | 61,627 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,313 |
| South America A-Z | 0 | - | 4.13 | 10,925 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,301 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,368 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,550 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,364 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,024 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,317 |
