| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,947 |
| Official European Union Languages | 0 | - | 4.97 | 237,946 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,504 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,373 |
| Slavic Languages | 0 | - | 4.68 | 54,229 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,117 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,836 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,718 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,762 |
| History of Russia Quiz | 0 | - | 4.49 | 31,866 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,678 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,481 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,609 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,981 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,344 |
| Celtic Nations | 0 | - | 4.69 | 46,889 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,187 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,757 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,095 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,886 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,627 |
| Slavic Countries | 0 | - | 4.96 | 111,398 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,260 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,843 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,590 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,168 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,396 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 96,975 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,779 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,358 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,398 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,571 |
| Federal Subjects of Russia | 0 | - | 4.95 | 145,895 |
| Geography of Russia | 0 | - | 4.57 | 21,501 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,648 |
| States of Germany | 0 | - | 4.96 | 151,610 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,783 |
| Regions of Italy | 0 | - | 4.92 | 75,426 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,515 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,487 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,923 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,843 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,649 |
| Champions League Winners | 0 | - | 4.92 | 1,002,694 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,292 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,059 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,457 |
| Departments of France | 0 | - | 4.93 | 53,609 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,492 |
| England or Wales? | 0 | - | 4.94 | 45,556 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,555 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,537 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,640 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,425 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,184 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,562 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,399 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,270 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,691 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,564 |
| Name that Greek Letter | 0 | - | 4.93 | 322,904 |
| Languages of Spain | 0 | - | 4.36 | 23,267 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,515 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,685 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,790 |
| Word Chain - Russia | 0 | - | 4.33 | 15,733 |
| The Trojan War | 0 | - | 4.83 | 39,622 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,396 |
| History of Italy | 0 | - | 4.55 | 31,923 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,575 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,364 |
| Roman Emperors | 0 | - | 4.95 | 119,545 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,600 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,144 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,466 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,315 |
| Top World Languages | 0 | - | 4.92 | 819,075 |
| Australian Capitals | 0 | - | 4.92 | 62,684 |
| European Geography By Letter - A | 0 | - | 4.61 | 141,325 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 112,012 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,843 |
| European Geography By Letter - D | 0 | - | 4.50 | 107,630 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,819 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,761 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,302 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,019 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,622 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,892 |
| Europe Map Quiz | 0 | - | 5.00 | 4,751,486 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,179 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,837 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,123 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,155 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,141 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,325 |
| Capitals of French Regions | 0 | - | 4.45 | 16,031 |
| Regions of France | 0 | - | 4.75 | 120,248 |
| France Immigration by Country | 0 | - | 4.70 | 76,334 |
| Famous Germans | 0 | - | 4.50 | 55,017 |
| German Groups of Things | 0 | - | 4.46 | 38,412 |
| Capitals of German States | 0 | - | 4.74 | 28,916 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,258 |
| Germany True or False? | 0 | - | 4.61 | 48,708 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,811 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,160 |
| Ancient Greek Words | 0 | - | 4.93 | 111,238 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,106 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,167 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,198 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,990 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,403 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,357 |
| Countries by Official Language | 0 | - | 4.95 | 194,446 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,310 |
| Places in their Native Language #2 | 0 | - | 4.81 | 132,990 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,271 |
| Countries in their Native Language | 0 | - | 4.99 | 198,005 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,143 |
| Africa Map Quiz | 0 | - | 5.00 | 2,113,055 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,132 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,685 |
| European Physical Geography | 0 | - | 4.26 | 33,449 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,890 |
| History of Austria | 0 | - | 4.70 | 17,825 |
| Geography of the French Empire | 0 | - | 4.45 | 27,014 |
| The French Revolution | 0 | - | 4.46 | 23,888 |
| France Multiple Choice | 0 | - | 4.38 | 40,691 |
| History of France | 0 | - | 4.59 | 56,753 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,452 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,748 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,949 |
| The Vikings! | 0 | - | 4.46 | 28,308 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,983 |
| The Portuguese Empire | 0 | - | 4.58 | 12,042 |
| American to British Word Translation | 0 | - | 4.14 | 138,611 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,518 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,554 |
| Champions League Top 4 | 0 | - | 4.77 | 135,470 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,445,475 |
| Asia Map Quiz | 0 | - | 4.99 | 913,112 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,877 |
| Countries of Africa | 0 | - | 5.00 | 2,526,805 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,468 |
| African East Coast | 0 | - | 4.96 | 95,696 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,520 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,373 |
| Australia Map Quiz | 0 | - | 4.95 | 343,589 |
| United States Map Quiz | 0 | - | 4.98 | 4,151,021 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,504 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,534 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,307 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,703 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,896 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,261 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,457 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,098 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,976 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,649 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,298 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,588 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,583 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,829 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,622 |
| European Geography A-Z | 0 | - | 4.29 | 49,169 |
| Country Codes of Europe | 0 | - | 3.43 | 13,694 |
| The Only European Country ... | 0 | - | 4.91 | 215,683 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,589 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,995 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,281 |
| Austria... or Australia? | 0 | - | 4.68 | 104,188 |
| Presidents of France | 0 | - | 4.25 | 24,012 |
| Word Chain - France | 0 | - | 4.38 | 42,719 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,903 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,863 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,209 |
| Italian Foods | 0 | - | 4.30 | 72,574 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,215 |
| The Mafia Quiz | 0 | - | 4.46 | 23,274 |
| History of The Netherlands | 0 | - | 4.46 | 17,392 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,003 |
| Canary Islands | 0 | - | 4.62 | 17,454 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,538 |
| British Spellings | 0 | - | 4.06 | 99,384 |
| British Groups of Things | 0 | - | 4.25 | 82,817 |
| British Acronyms | 0 | - | 4.39 | 45,735 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,008 |
| British Monopoly Board | 0 | - | 4.52 | 41,127 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,460 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,265 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,281 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,538 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,214 |
| German-Speaking Countries | 0 | - | 4.91 | 145,054 |
| Italian Name Translation | 0 | - | 4.81 | 46,236 |
| French-Speaking Countries | 0 | - | 4.85 | 270,044 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,752 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,252 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,803 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,249 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,488 |
