| European Countries by First 2 Letters | 0 | - | 4.96 | 457,902 |
| Official European Union Languages | 0 | - | 4.98 | 200,738 |
| European Countries in their Native Language | 0 | - | 4.99 | 144,121 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 386,945 |
| Slavic Languages | 0 | - | 4.58 | 48,806 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,706 |
| Europe Geography Decoder | 0 | - | 4.89 | 63,383 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,079 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,144 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 20,880 |
| Celtic Nations | 0 | - | 4.76 | 44,678 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 79,780 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 285,814 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 116,365 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,443 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,901 |
| Regions of Spain Quiz | 0 | - | 4.86 | 95,212 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,445 |
| Champions League Winners | 0 | - | 4.91 | 856,588 |
| Count to 10 in Europe: Pro | 0 | - | 4.80 | 61,070 |
| Catholic Countries in Europe | 0 | - | 4.87 | 83,881 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,898 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,894 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,709 |
| States of Germany | 0 | - | 4.93 | 124,105 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,920 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,590 |
| Counties of Ireland | 0 | - | 4.89 | 159,521 |
| Regions of Italy | 0 | - | 4.88 | 60,613 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,657 |
| England or Wales? | 0 | - | 4.93 | 40,332 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,827 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 201,326 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 247,473 |
| Spanish Immigration by Country | 0 | - | 4.63 | 51,940 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,471 |
| Word Scramble - European Countries | 0 | - | 4.72 | 114,030 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 86,107 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,462 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 585,142 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,791 |
| Roman Emperors | 0 | - | 4.95 | 96,131 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,473 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,772 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 255,707 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 245,155 |
| Top European Languages on a Map | 0 | - | 4.76 | 118,388 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,118 |
| The Trojan War | 0 | - | 4.81 | 35,990 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,650 |
| Italy Multiple Choice | 0 | - | 4.74 | 94,066 |
| Provinces of the Netherlands | 0 | - | 4.61 | 33,400 |
| 100 Greatest Britons Quiz | 0 | - | 4.43 | 46,047 |
| British Acronyms | 0 | - | 4.41 | 43,415 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 73,575 |
| Beatles Songs Quiz | 0 | - | 4.95 | 208,275 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 274,205 |
| Australian Capitals | 0 | - | 4.92 | 60,792 |
| European Geography By Letter - A | 0 | - | 4.51 | 124,582 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 103,721 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,081 |
| European Geography By Letter - D | 0 | - | 4.53 | 99,691 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,256 |
| European Geography By Letter - M | 0 | - | 4.55 | 114,595 |
| European Geography By Letter - P | 0 | - | 4.79 | 89,830 |
| European Geography By Letter - N | 0 | - | 4.43 | 93,563 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,567 |
| Europe Map Quiz | 0 | - | 5.00 | 4,301,146 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,166 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,632 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,296 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 57,952 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,030 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 62,215 |
| Regions of France | 0 | - | 4.63 | 100,751 |
| France Immigration by Country | 0 | - | 4.80 | 69,088 |
| German Groups of Things | 0 | - | 4.43 | 36,005 |
| Capitals of German States | 0 | - | 4.71 | 27,230 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 19,626 |
| Germany True or False? | 0 | - | 4.63 | 44,544 |
| Largest Islands of Greece | 0 | - | 4.57 | 39,925 |
| Olympian Gods Quiz | 0 | - | 4.96 | 457,703 |
| Name that Greek Letter | 0 | - | 4.94 | 296,242 |
| Ancient Greek Words | 0 | - | 4.90 | 97,709 |
| Capitals of Italian Regions | 0 | - | 4.52 | 26,157 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 400,186 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,817 |
| The Vikings! | 0 | - | 4.45 | 27,124 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,392 |
| The Portuguese Empire | 0 | - | 4.54 | 11,345 |
| British Words Quiz #2 | 0 | - | 4.03 | 106,934 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,368 |
| United Kingdom A-Z | 0 | - | 4.53 | 80,998 |
| Champions League Top 4 | 0 | - | 4.79 | 105,695 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,346,530 |
| Asia Map Quiz | 0 | - | 4.99 | 787,419 |
| Africa Map Quiz | 0 | - | 5.00 | 1,941,868 |
| Oceania Map Quiz | 0 | - | 4.98 | 569,018 |
| European Physical Geography | 0 | - | 4.20 | 31,943 |
| History of Russia Quiz | 0 | - | 4.48 | 29,898 |
| Geography of Russia | 0 | - | 4.54 | 20,197 |
| History of Austria | 0 | - | 4.68 | 16,413 |
| Geography of the French Empire | 0 | - | 4.49 | 25,441 |
| The French Revolution | 0 | - | 4.45 | 21,953 |
| France Multiple Choice | 0 | - | 4.40 | 38,677 |
| History of France Quiz | 0 | - | 4.55 | 39,720 |
| History of Ireland Quiz | 0 | - | 4.44 | 18,946 |
| History of Italy | 0 | - | 4.49 | 29,821 |
| History of The Netherlands | 0 | - | 4.42 | 15,787 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,851 |
| Canary Islands | 0 | - | 4.61 | 16,565 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 21,281 |
| British Spellings Quiz | 0 | - | 4.04 | 94,709 |
| British Groups of Things | 0 | - | 4.26 | 80,169 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,750 |
| British Monopoly Board | 0 | - | 4.51 | 39,274 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 80,132 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,282,822 |
| Countries of Africa | 0 | - | 5.00 | 2,173,338 |
| African East Coast | 0 | - | 4.97 | 84,392 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,083 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 40,485 |
| Australia Map Quiz | 0 | - | 4.95 | 320,073 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,198 |
| United States Map Quiz | 0 | - | 4.98 | 3,906,795 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,549 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 86,686 |
| Countries That Use the Euro | 0 | - | 4.92 | 63,396 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 336,236 |
| European Geography By Letter - E | 0 | - | 4.21 | 105,577 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,395 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,020 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,231 |
| European Geography By Letter - I | 0 | - | 4.10 | 88,910 |
| European Geography By Letter - K | 0 | - | 4.17 | 64,617 |
| European Geography By Letter - O | 0 | - | 4.27 | 57,870 |
| European Geography By Letter - R | 0 | - | 4.40 | 87,651 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,340 |
| European Geography By Letter - T | 0 | - | 4.39 | 70,982 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,036 |
| European Geography By Letter - S #2 | 0 | - | 4.17 | 46,843 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 92,636 |
| European Geography A-Z | 0 | - | 4.37 | 45,469 |
| Country Codes of Europe | 0 | - | 3.34 | 12,759 |
| The Only European Country ... | 0 | - | 4.94 | 179,022 |
| Word Chain - Russia | 0 | - | 4.41 | 14,827 |
| Austria... or Australia? | 0 | - | 4.79 | 98,130 |
| Capitals of French Regions | 0 | - | 4.40 | 14,788 |
| Presidents of France | 0 | - | 4.23 | 20,267 |
| Word Chain - France | 0 | - | 4.38 | 40,039 |
| Famous Germans | 0 | - | 4.39 | 35,210 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,455 |
| Figures from Greek Mythology | 0 | - | 4.92 | 169,600 |
| Famous Italians | 0 | - | 4.40 | 66,404 |
| Italian Foods | 0 | - | 4.25 | 64,381 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,428 |
| Geography of the Roman Empire | 0 | - | 4.55 | 48,560 |
| Byzantine History | 0 | - | 4.87 | 26,259 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,634 |
| History of Spain Quiz | 0 | - | 4.33 | 19,587 |
| Languages of Spain | 0 | - | 4.34 | 21,371 |
| Real Madrid 2010's Starting XI | 0 | - | 4.86 | 51,533 |
| British Words Quiz #1 | 0 | - | 3.78 | 236,215 |
| British Foods | 0 | - | 3.85 | 47,063 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 65,834 |
| British and American Word Differences | 0 | - | 2.66 | 44,410 |
| Counties of England | 0 | - | 4.96 | 692,029 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,346 |
| Wonderwall Lyrics | 0 | - | 4.22 | 68,881 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,577 |
| Bridges of London | 0 | - | 4.11 | 9,367 |
| British Sport Trivia | 0 | - | 4.32 | 19,273 |
| Famous Welsh People | 0 | - | 4.12 | 9,272 |
| Champions League All-Time Table | 0 | - | 4.16 | 117,253 |
| Champions League Top Goal Scorers | 0 | - | 4.22 | 167,237 |
| Flags of Asia Quiz | 0 | - | 4.99 | 525,573 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 100,323 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,794 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,834 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,711 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 111,179 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 93,762 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 60,812 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 210,622 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 36,320 |
| Countries of the Middle East | 0 | - | 4.96 | 173,964 |
| Countries where Arabic is an Official Language | 0 | - | 4.84 | 52,098 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,790 |
| Flags of Africa Quiz | 0 | - | 4.99 | 387,683 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,605 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 197,898 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,813 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 131,024 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 119,558 |
| Top African Languages on a Map | 0 | - | 4.92 | 53,337 |
| African Island Countries | 0 | - | 4.96 | 89,480 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 223,317 |
| Australian States and Territories | 0 | - | 4.96 | 129,135 |
| Australia True or False | 0 | - | 4.90 | 51,468 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,119 |
