| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,458 |
| Official European Union Languages | 0 | - | 4.97 | 239,209 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,298 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,217 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,320 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,760 |
| Slavic Languages | 0 | - | 4.68 | 54,547 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,175 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,961 |
| French-Speaking Countries | 0 | - | 4.85 | 271,151 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,506 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,866 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,398 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,457 |
| Celtic Nations | 0 | - | 4.69 | 47,038 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,785 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,838 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,213 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,552 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,282 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,250 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,788 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,648 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,756 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,251 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,509 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,653 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,658 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,534 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,422 |
| States of Germany | 0 | - | 4.95 | 153,692 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,414 |
| Regions of Italy | 0 | - | 4.92 | 76,487 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,555 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,773 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,518 |
| Languages of the United Kingdom | 0 | - | 4.14 | 40,988 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,781 |
| Champions League Winners | 0 | - | 4.92 | 1,011,625 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,704 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,867 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,109 |
| Departments of France | 0 | - | 4.93 | 54,700 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,658 |
| England or Wales? | 0 | - | 4.94 | 45,850 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,361 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,677 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,686 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,008 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,985 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,693 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,563 |
| French Animal Words | 0 | - | 4.44 | 134,776 |
| French Food Words | 0 | - | 4.80 | 195,569 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,711 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,966 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,928 |
| Name that Greek Letter | 0 | - | 4.93 | 324,436 |
| Languages of Spain | 0 | - | 4.36 | 23,374 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,606 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,354 |
| History of Russia Quiz | 0 | - | 4.47 | 31,975 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,807 |
| The Trojan War | 0 | - | 4.83 | 39,886 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,492 |
| History of Italy | 0 | - | 4.55 | 32,094 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,106 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,330 |
| Roman Emperors | 0 | - | 4.95 | 120,669 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,757 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,345 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,006 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,835 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,900 |
| Top World Languages | 0 | - | 4.92 | 826,207 |
| Australian Capitals | 0 | - | 4.92 | 62,784 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,141 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,555 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,927 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,472 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,140 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,564 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,432 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,129 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,382 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,973 |
| Europe Map Quiz | 0 | - | 5.00 | 4,776,284 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,414 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,069 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,364 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,337 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,985 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,360 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,596 |
| Capitals of French Regions | 0 | - | 4.45 | 16,141 |
| Regions of France | 0 | - | 4.70 | 121,514 |
| France Immigration by Country | 0 | - | 4.70 | 76,763 |
| Famous Germans | 0 | - | 4.50 | 55,601 |
| German Groups of Things | 0 | - | 4.47 | 38,564 |
| Capitals of German States | 0 | - | 4.74 | 29,026 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,443 |
| Germany True or False? | 0 | - | 4.61 | 48,931 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,245 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,459 |
| Ancient Greek Words | 0 | - | 4.93 | 112,103 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,965 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,574 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,369 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,562 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,508 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,286 |
| Countries by Official Language | 0 | - | 4.95 | 195,508 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,775 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,733 |
| Countries in their Native Language | 0 | - | 4.99 | 199,294 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,313 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,204 |
| Oceania Map Quiz | 0 | - | 4.98 | 656,778 |
| European Physical Geography | 0 | - | 4.26 | 33,561 |
| Geography of Russia | 0 | - | 4.57 | 21,562 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,048 |
| History of Austria | 0 | - | 4.70 | 17,929 |
| Geography of the French Empire | 0 | - | 4.45 | 27,183 |
| The French Revolution | 0 | - | 4.47 | 24,091 |
| France Multiple Choice | 0 | - | 4.39 | 40,792 |
| History of France | 0 | - | 4.61 | 57,389 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,529 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,564 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,350 |
| The Vikings! | 0 | - | 4.46 | 28,383 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,278 |
| The Portuguese Empire | 0 | - | 4.58 | 12,088 |
| American to British Word Translation | 0 | - | 4.14 | 139,448 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,224 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,750 |
| Champions League Top 4 | 0 | - | 4.77 | 137,802 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,467 |
| Asia Map Quiz | 0 | - | 4.99 | 921,622 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,241 |
| Africa Map Quiz | 0 | - | 5.00 | 2,124,075 |
| French Phrases used in English | 0 | - | 4.16 | 46,758 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,090 |
| Australia Map Quiz | 0 | - | 4.95 | 345,526 |
| United States Map Quiz | 0 | - | 4.98 | 4,165,753 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,146 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,797 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,996 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,430 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,376 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,718 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,576 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,261 |
| European Geography By Letter - I | 0 | - | 4.09 | 96,002 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,636 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,111 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,232 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,794 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,508 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,418 |
| European Geography A-Z | 0 | - | 4.29 | 49,402 |
| Country Codes of Europe | 0 | - | 3.43 | 13,768 |
| The Only European Country ... | 0 | - | 4.91 | 217,939 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,931 |
| European Geographic Groups of Four | 0 | - | 4.57 | 18,557 |
| Austria... or Australia? | 0 | - | 4.68 | 104,596 |
| Famous French People | 0 | - | 4.07 | 35,944 |
| Presidents of France | 0 | - | 4.25 | 24,261 |
| Word Chain - France | 0 | - | 4.38 | 42,878 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,139 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,981 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,077 |
| Italian Foods | 0 | - | 4.30 | 73,049 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,505 |
| The Mafia Quiz | 0 | - | 4.46 | 23,397 |
| History of The Netherlands | 0 | - | 4.46 | 17,505 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,088 |
| Canary Islands | 0 | - | 4.62 | 17,503 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,908 |
| British Spellings | 0 | - | 4.06 | 99,534 |
| British Groups of Things | 0 | - | 4.25 | 82,950 |
| British Acronyms | 0 | - | 4.40 | 45,883 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,075 |
| British Monopoly Board | 0 | - | 4.52 | 41,220 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,020 |
| Geography of Scotland | 0 | - | 4.63 | 21,691 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,557 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,623 |
| Countries of Africa | 0 | - | 5.00 | 2,549,450 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,446 |
| African East Coast | 0 | - | 4.96 | 96,445 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,315 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,555 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,832 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,544 |
| German-Speaking Countries | 0 | - | 4.92 | 145,855 |
| Italian Name Translation | 0 | - | 4.83 | 47,485 |
| Song Title Translation - French | 0 | - | 4.56 | 26,933 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,543 |
| Australian States and Territories | 0 | - | 4.96 | 142,447 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,410 |
