| Federal Subjects of Russia | 0 | - | 4.95 | 117,463 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 492,541 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 80,959 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 62,042 |
| Official European Union Languages | 0 | - | 4.98 | 204,276 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,238 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 393,239 |
| History of Russia Quiz | 0 | - | 4.48 | 30,158 |
| Geography of Russia | 0 | - | 4.54 | 20,381 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,936 |
| Famous Russians Quiz | 0 | - | 4.16 | 22,758 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.92 | 76,969 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,431 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,416 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,359 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,307 |
| Celtic Nations | 0 | - | 4.76 | 45,074 |
| European Geography By Letter - A | 0 | - | 4.63 | 125,875 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,909 |
| European Geography By Letter - C | 0 | - | 4.45 | 106,214 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,667 |
| European Geography By Letter - L | 0 | - | 4.51 | 106,346 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,614 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,720 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,447 |
| European Geography By Letter - V | 0 | - | 4.45 | 87,477 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 94,776 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 289,328 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 123,481 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,599 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 117,036 |
| Slavic Countries | 0 | - | 4.96 | 101,698 |
| Most Mentioned Allies of Russia | 0 | - | 4.47 | 34,886 |
| Most Mentioned Enemies of Russia | 0 | - | 4.71 | 83,740 |
| Germany Multiple Choice | 0 | - | 4.81 | 50,155 |
| Famous Italians | 0 | - | 4.41 | 67,529 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,793 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,644 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,610 |
| Champions League Winners | 0 | - | 4.92 | 895,538 |
| Asian Geography By Letter - B | 0 | - | 4.83 | 62,496 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 224,468 |
| Catholic Countries in Europe | 0 | - | 4.86 | 85,527 |
| Word Chain - Russia | 0 | - | 4.36 | 14,960 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 103,427 |
| France Immigration by Country | 0 | - | 4.81 | 70,419 |
| States of Germany | 0 | - | 4.94 | 127,476 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,505 |
| Counties of Ireland | 0 | - | 4.90 | 163,964 |
| Regions of Italy | 0 | - | 4.89 | 62,265 |
| United Kingdom A-Z | 0 | - | 4.53 | 82,032 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,497 |
| Countries That Border Russia | 0 | - | 4.98 | 431,610 |
| Famous Nordic People | 0 | - | 4.41 | 10,741 |
| England or Wales? | 0 | - | 4.93 | 41,112 |
| All Champions League Teams Ever | 0 | - | 4.90 | 108,326 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,736 |
| European Geography By Letter - F | 0 | - | 4.16 | 86,214 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,833 |
| European Geography By Letter - G | 0 | - | 4.25 | 96,049 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,809 |
| European Geography By Letter - K | 0 | - | 4.14 | 65,274 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,445 |
| European Geography By Letter - R | 0 | - | 4.40 | 88,361 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,874 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,630 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,429 |
| European Geography A-Z | 0 | - | 4.37 | 46,097 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 205,358 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 251,515 |
| Russia Country Quiz | 0 | - | 4.85 | 105,127 |
| Croatia Country Quiz | 0 | - | 4.81 | 38,368 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.82 | 31,630 |
| Famous Germans | 0 | - | 4.39 | 35,377 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,045 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,579 |
| Word Scramble - European Countries | 0 | - | 4.76 | 130,593 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 90,969 |
| Name a Major European City A-Z | 0 | - | 4.34 | 43,916 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,775 |
| Slavic Languages | 0 | - | 4.65 | 49,511 |
| Countries that Border Hungary | 0 | - | 4.98 | 97,563 |
| Moldova Country Quiz | 0 | - | 4.86 | 27,885 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,650 |
| Famous Dutch and Belgian People | 0 | - | 4.51 | 16,995 |
| France A-Z | 0 | - | 4.18 | 35,388 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 592,905 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,739 |
| Famous Spaniards Quiz | 0 | - | 4.22 | 10,972 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,248 |
| The British Royal Family - Modern Times | 0 | - | 4.14 | 20,783 |
| London A-Z | 0 | - | 4.19 | 38,989 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.92 | 47,280 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,920 |
| Africa A-Z | 0 | - | 4.55 | 44,128 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,638 |
| Top European Languages on a Map | 0 | - | 4.78 | 120,289 |
| Embarrassing Chapters in Russian History | 0 | - | 3.78 | 19,459 |
| Russia Multiple Choice | 0 | - | 4.56 | 38,553 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.87 | 90,353 |
| Latvia Country Quiz | 0 | - | 4.84 | 29,066 |
| Famous French People | 0 | - | 4.16 | 24,255 |
| Ancient Greece A-Z | 0 | - | 4.66 | 21,190 |
| The Trojan War | 0 | - | 4.81 | 36,385 |
| Name that Greek Letter | 0 | - | 4.94 | 298,906 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 87,592 |
| Famous Irish People | 0 | - | 4.01 | 44,639 |
| Italy Multiple Choice | 0 | - | 4.74 | 95,711 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,534 |
| Roman Emperors | 0 | - | 4.96 | 98,194 |
| Provinces of the Netherlands | 0 | - | 4.66 | 34,305 |
| Switzerland A-Z | 0 | - | 4.40 | 18,679 |
| British Acronyms | 0 | - | 4.41 | 43,802 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,838 |
| Beatles Songs Quiz | 0 | - | 4.95 | 213,301 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 277,118 |
| Famous Scottish People | 0 | - | 4.19 | 17,589 |
| Asian Geography By Letter - A | 0 | - | 4.66 | 68,110 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 62,422 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 58,880 |
| Asian Geography by Letter - P | 0 | - | 4.43 | 54,729 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 54,412 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 39,805 |
| Middle East A-Z | 0 | - | 4.46 | 43,536 |
| The Americas Geography by Letter - B | 0 | - | 4.50 | 49,195 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,785 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 34,020 |
| Europe Map Quiz | 0 | - | 5.00 | 4,358,445 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 67,738 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 68,221 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,879 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,440 |
| Famous Swiss and Austrian People | 0 | - | 4.38 | 13,753 |
| Regions of France | 0 | - | 4.65 | 103,316 |
| German Groups of Things | 0 | - | 4.43 | 36,423 |
| Capitals of German States | 0 | - | 4.70 | 27,435 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,689 |
| Germany True or False? | 0 | - | 4.63 | 45,184 |
| Largest Islands of Greece | 0 | - | 4.58 | 41,162 |
| Olympian Gods Quiz | 0 | - | 4.96 | 461,589 |
| Ancient Greek Words | 0 | - | 4.91 | 99,783 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,418 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,191,847 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,833 |
| The Vikings! | 0 | - | 4.45 | 27,334 |
| Sweden Immigration by Country | 0 | - | 4.66 | 43,100 |
| The Portuguese Empire | 0 | - | 4.54 | 11,430 |
| Languages of the United Kingdom | 0 | - | 4.12 | 38,700 |
| Champions League Top 4 | 0 | - | 4.65 | 110,862 |
| Asian Cities A-Z | 0 | - | 4.51 | 30,401 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,357,146 |
| Asia Map Quiz | 0 | - | 4.99 | 802,355 |
| A Quiz About Islam | 0 | - | 4.28 | 45,530 |
| Africa Map Quiz | 0 | - | 5.00 | 1,963,901 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,902 |
| Australian Capitals | 0 | - | 4.92 | 61,143 |
| European Physical Geography | 0 | - | 4.21 | 32,164 |
| Russian History A-Z | 0 | - | 4.35 | 17,671 |
| Czech Republic Country Quiz | 0 | - | 4.52 | 38,653 |
| Slovakia... or Slovenia? | 0 | - | 4.72 | 40,093 |
| Ukraine Country Quiz | 0 | - | 4.41 | 43,228 |
| Hungary Country Quiz | 0 | - | 4.48 | 38,916 |
| Romania Country Quiz | 0 | - | 4.65 | 48,867 |
| Geography of the French Empire | 0 | - | 4.49 | 25,651 |
| The French Revolution | 0 | - | 4.45 | 22,169 |
| France Multiple Choice | 0 | - | 4.40 | 39,061 |
| History of France Quiz | 0 | - | 4.55 | 40,105 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,229 |
| History of Italy | 0 | - | 4.49 | 30,070 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 405,129 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 140,159 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,999 |
| Canary Islands | 0 | - | 4.61 | 16,663 |
| Switzerland Immigration by Country | 0 | - | 4.76 | 23,120 |
| 100 Greatest Britons Quiz | 0 | - | 4.39 | 46,355 |
| British Spellings Quiz | 0 | - | 4.05 | 95,152 |
| British Groups of Things | 0 | - | 4.26 | 80,798 |
| United Kingdom Decoder | 0 | - | 4.28 | 38,916 |
| British Monopoly Board | 0 | - | 4.51 | 39,528 |
| Asian Geography By Letter - S | 0 | - | 4.20 | 54,315 |
| Asian Geography by Letter - D | 0 | - | 4.25 | 49,387 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 48,837 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 64,565 |
| Asian Geography by Letter - C | 0 | - | 4.31 | 61,916 |
| Asian Geography by Letter - N | 0 | - | 4.31 | 47,494 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 82,046 |
| Asian Geography By Letter - J | 0 | - | 4.29 | 32,055 |
| Asian Geography By Letter - O | 0 | - | 4.64 | 26,887 |
| Asian Geography By Letter - R | 0 | - | 4.46 | 23,542 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,294,788 |
| Japanese Companies | 0 | - | 4.25 | 32,294 |
| Countries of Africa | 0 | - | 5.00 | 2,220,593 |
| African East Coast | 0 | - | 4.97 | 85,974 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,408 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,777 |
| Australia Map Quiz | 0 | - | 4.94 | 323,412 |
| American Countries on the Pacific Coast | 0 | - | 4.78 | 46,842 |
| The Americas Geography by Letter - C | 0 | - | 4.26 | 54,945 |
| The Americas Geography by Letter - A | 0 | - | 4.29 | 42,043 |
| The Americas Geography by Letter - T | 0 | - | 4.23 | 38,745 |
