| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,496 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,918 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,191 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,389 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,581 |
| Russian History A-Z | 0 | - | 4.38 | 31,525 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,311 |
| European Geography By Letter - A | 0 | - | 4.61 | 142,372 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 112,150 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,951 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,736 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,884 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,822 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,028 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,347 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,064 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,655 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,933 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,186 |
| Countries That Border Russia | 0 | - | 4.98 | 460,826 |
| Russia Country Quiz | 0 | - | 4.85 | 114,180 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,947 |
| Official European Union Languages | 0 | - | 4.97 | 237,954 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,510 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,152 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,669 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,105 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,520 |
| London A-Z | 0 | - | 4.10 | 40,732 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,537 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,388 |
| Africa A-Z | 0 | - | 4.57 | 46,546 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,976 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,338 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,523 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,168 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,038 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,704 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,337 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,616 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,840 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,863 |
| European Geography A-Z | 0 | - | 4.29 | 49,169 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,721 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,334 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,832 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,764 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,108 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,394 |
| France A-Z | 0 | - | 4.16 | 38,145 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,262 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,846 |
| Switzerland A-Z | 0 | - | 4.45 | 25,607 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,623 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,146 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,999 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,813 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,618 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,128 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,564 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,345 |
| Celtic Nations | 0 | - | 4.69 | 46,894 |
| Most Mentioned Allies of Russia | 0 | - | 4.49 | 37,941 |
| Most Mentioned Enemies of Russia | 0 | - | 4.69 | 89,843 |
| Famous Germans | 0 | - | 4.50 | 55,027 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,121 |
| Champions League Winners | 0 | - | 4.92 | 1,002,742 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,025 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,577 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,320 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,776 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,252 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,896 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,692 |
| Middle East A-Z | 0 | - | 4.47 | 45,951 |
| Countries that Start with A | 0 | - | 4.98 | 2,156,946 |
| Countries that Start with B | 0 | - | 4.95 | 2,288,991 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,692 |
| Countries that Start with D | 0 | - | 4.96 | 706,598 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,577 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,197 |
| Countries that Start with H | 0 | - | 4.96 | 602,181 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,182 |
| Countries that Start with J | 0 | - | 4.98 | 600,117 |
| Countries that Start with K | 0 | - | 4.97 | 813,242 |
| Countries that Start with L | 0 | - | 4.98 | 1,087,964 |
| Countries that Start with N | 0 | - | 4.93 | 1,114,866 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,343 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,049 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,777 |
| Countries that Start with U | 0 | - | 4.97 | 902,782 |
| Countries that Start with V | 0 | - | 4.98 | 607,894 |
| Countries that Start with F | 0 | - | 4.83 | 615,651 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,546 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,054 |
| Canada A-Z | 0 | - | 4.73 | 32,754 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,785 |
| Famous Russians | 0 | - | 4.16 | 23,796 |
| States of Germany | 0 | - | 4.96 | 151,624 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,791 |
| Regions of Italy | 0 | - | 4.92 | 75,432 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,544 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,498 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,927 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,649 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,387 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,128 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,037 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,513 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,359 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,308 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,086 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,470 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,183 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,260 |
| Famous French People | 0 | - | 4.12 | 32,650 |
| Departments of France | 0 | - | 4.93 | 53,628 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,496 |
| History of The Netherlands | 0 | - | 4.46 | 17,393 |
| England or Wales? | 0 | - | 4.94 | 45,559 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,563 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,024 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,844 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,128 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,682 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,642 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,150 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,625 |
| Turkey A-Z | 0 | - | 4.04 | 11,808 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,613 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,112 |
| California Cities A-Z | 0 | - | 4.06 | 17,157 |
| Hawaii A-Z | 0 | - | 4.28 | 13,441 |
| Texas A-Z | 0 | - | 4.18 | 16,350 |
| Ohio A-Z | 0 | - | 4.21 | 6,375 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,535 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 29,901 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,640 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,426 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,190 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,275 |
| Slavic Languages | 0 | - | 4.68 | 54,231 |
| Countries that Border Poland | 0 | - | 4.99 | 171,965 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,067 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,981 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,035 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,772 |
| Moldova Country Quiz | 0 | - | 4.82 | 30,710 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,185 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,694 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,606 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,026 |
| The Trojan War | 0 | - | 4.83 | 39,623 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,601 |
| Name that Greek Letter | 0 | - | 4.93 | 322,913 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,409 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,562 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,366 |
| Roman Emperors | 0 | - | 4.95 | 119,552 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,400 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,794 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,557 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,136 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,190 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,154 |
| African Geography A-Z | 0 | - | 4.33 | 21,456 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 73,794 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 62,772 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,776 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,441 |
| U.S. Geography by Letter - P | 0 | - | 4.36 | 47,882 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,000 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 40,863 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,000 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,825 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,767 |
| History of Russia Quiz | 0 | - | 4.49 | 31,867 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,679 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,221 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,192 |
| Famous Irish People | 0 | - | 4.05 | 45,948 |
| History of Italy | 0 | - | 4.55 | 31,925 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,576 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,600 |
| Famous Nordic People | 0 | - | 4.34 | 20,030 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,592 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,145 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,512 |
| People on Money - England | 0 | - | 4.29 | 16,598 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,619 |
| British Geography A-Z | 0 | - | 4.42 | 19,482 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 27,804 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,355 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,804 |
| Movie Characters A-Z | 0 | - | 4.19 | 61,186 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,692 |
| South America A-Z | 0 | - | 4.13 | 10,886 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,033 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,917 |
| Europe Map Quiz | 0 | - | 5.00 | 4,751,738 |
