| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,069 |
| Official European Union Languages | 0 | - | 4.97 | 238,348 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,749 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,221 |
| Slavic Languages | 0 | - | 4.68 | 54,323 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,910 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,942 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,801 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,984 |
| History of Russia Quiz | 0 | - | 4.47 | 31,904 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,713 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,878 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,696 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,097 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,378 |
| Celtic Nations | 0 | - | 4.69 | 46,923 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,324 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,254 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,214 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,173 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,955 |
| Slavic Countries | 0 | - | 4.96 | 111,583 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,328 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,944 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,360 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,357 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,491 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,024 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,457 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,124 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,872 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,864 |
| Geography of Russia | 0 | - | 4.57 | 21,522 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,827 |
| States of Germany | 0 | - | 4.96 | 152,285 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,973 |
| Regions of Italy | 0 | - | 4.92 | 75,761 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,056 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,817 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,120 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,879 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,685 |
| Champions League Winners | 0 | - | 4.92 | 1,005,674 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,995 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,612 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,940 |
| Departments of France | 0 | - | 4.93 | 54,002 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,534 |
| England or Wales? | 0 | - | 4.94 | 45,650 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,159 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,587 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,650 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,618 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,793 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,592 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,446 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,402 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,749 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,840 |
| Name that Greek Letter | 0 | - | 4.93 | 323,298 |
| Languages of Spain | 0 | - | 4.36 | 23,307 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,547 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,050 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,639 |
| Word Chain - Russia | 0 | - | 4.33 | 15,742 |
| The Trojan War | 0 | - | 4.83 | 39,688 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,722 |
| History of Italy | 0 | - | 4.55 | 31,960 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,725 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,483 |
| Roman Emperors | 0 | - | 4.95 | 119,859 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,642 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,204 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,881 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,825 |
| Top World Languages | 0 | - | 4.92 | 821,237 |
| Australian Capitals | 0 | - | 4.92 | 62,714 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,746 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,762 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,479 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,194 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,252 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,318 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,334 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,649 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,546 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,872 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,247 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,550 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,244 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,912 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,198 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,214 |
| European Geography By Letter - S #1 | 0 | - | 4.54 | 100,447 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,408 |
| Capitals of French Regions | 0 | - | 4.45 | 16,056 |
| Regions of France | 0 | - | 4.75 | 120,621 |
| France Immigration by Country | 0 | - | 4.70 | 76,468 |
| Famous Germans | 0 | - | 4.50 | 55,255 |
| German Groups of Things | 0 | - | 4.46 | 38,465 |
| Capitals of German States | 0 | - | 4.74 | 28,945 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,309 |
| Germany True or False? | 0 | - | 4.61 | 48,773 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,958 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,409 |
| Ancient Greek Words | 0 | - | 4.93 | 111,496 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,416 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,303 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,249 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,168 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,958 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,596 |
| Countries by Official Language | 0 | - | 4.95 | 194,802 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,779 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,751 |
| Countries in their Native Language | 0 | - | 4.99 | 198,341 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,670 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,557 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,146 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,562 |
| European Physical Geography | 0 | - | 4.26 | 33,493 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,936 |
| History of Austria | 0 | - | 4.70 | 17,853 |
| Geography of the French Empire | 0 | - | 4.45 | 27,046 |
| The French Revolution | 0 | - | 4.46 | 23,924 |
| France Multiple Choice | 0 | - | 4.39 | 40,727 |
| History of France | 0 | - | 4.59 | 56,929 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,773 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,080 |
| The Vikings! | 0 | - | 4.46 | 28,336 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,098 |
| The Portuguese Empire | 0 | - | 4.58 | 12,057 |
| American to British Word Translation | 0 | - | 4.14 | 138,926 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,631 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,643 |
| Champions League Top 4 | 0 | - | 4.77 | 136,188 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,682 |
| Asia Map Quiz | 0 | - | 4.99 | 915,820 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,037 |
| Countries of Africa | 0 | - | 5.00 | 2,533,919 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,744 |
| African East Coast | 0 | - | 4.96 | 95,959 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,782 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,596 |
| Australia Map Quiz | 0 | - | 4.95 | 344,187 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,309 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,042 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,624 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,812 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,250 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,350 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,669 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,841 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,488 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,326 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,972 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,582 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,819 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,650 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,073 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,084 |
| European Geography A-Z | 0 | - | 4.29 | 49,235 |
| Country Codes of Europe | 0 | - | 3.43 | 13,704 |
| The Only European Country ... | 0 | - | 4.91 | 216,357 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,975 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,106 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,297 |
| Austria... or Australia? | 0 | - | 4.68 | 104,294 |
| Famous French People | 0 | - | 4.06 | 35,411 |
| Presidents of France | 0 | - | 4.25 | 24,079 |
| Word Chain - France | 0 | - | 4.38 | 42,766 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,967 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,901 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,739 |
| Italian Foods | 0 | - | 4.30 | 72,731 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,295 |
| The Mafia Quiz | 0 | - | 4.46 | 23,314 |
| History of The Netherlands | 0 | - | 4.46 | 17,427 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,021 |
| Canary Islands | 0 | - | 4.62 | 17,472 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,662 |
| British Spellings | 0 | - | 4.06 | 99,432 |
| British Groups of Things | 0 | - | 4.25 | 82,857 |
| British Acronyms | 0 | - | 4.40 | 45,783 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,030 |
| British Monopoly Board | 0 | - | 4.52 | 41,160 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,740 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,853 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,078 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,988 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,360 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,620 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,335 |
| German-Speaking Countries | 0 | - | 4.91 | 145,464 |
| Italian Name Translation | 0 | - | 4.82 | 46,511 |
| French-Speaking Countries | 0 | - | 4.85 | 270,355 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,302 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,943 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,435 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,852 |
