| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,565 |
| Official European Union Languages | 0 | - | 4.97 | 236,469 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,669 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,240 |
| Slavic Languages | 0 | - | 4.67 | 53,962 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,074 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,522 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,550 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,085 |
| History of Russia Quiz | 0 | - | 4.49 | 31,784 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,558 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,379 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,370 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,592 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,236 |
| Celtic Nations | 0 | - | 4.69 | 46,807 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,827 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,750 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,781 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,219 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,158 |
| Slavic Countries | 0 | - | 4.96 | 110,821 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,034 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,676 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,648 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,233 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,306 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,187 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,128 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,194 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,742 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,905 |
| Geography of Russia | 0 | - | 4.57 | 21,424 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,159 |
| States of Germany | 0 | - | 4.96 | 149,959 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,991 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,510 |
| Regions of Italy | 0 | - | 4.92 | 74,668 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,785 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,277 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,100 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,700 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Champions League Winners | 0 | - | 4.92 | 995,941 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,429 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,137 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,099 |
| Departments of France | 0 | - | 4.93 | 52,750 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,356 |
| England or Wales? | 0 | - | 4.94 | 45,306 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,421 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,441 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,969 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,960 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,423 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,240 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,775 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,507 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,699 |
| Name that Greek Letter | 0 | - | 4.94 | 321,586 |
| Languages of Spain | 0 | - | 4.36 | 23,145 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,422 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,467 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,574 |
| Word Chain - Russia | 0 | - | 4.33 | 15,685 |
| The Trojan War | 0 | - | 4.83 | 39,420 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,495 |
| History of Italy | 0 | - | 4.55 | 31,809 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,137 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,029 |
| Roman Emperors | 0 | - | 4.95 | 118,418 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,476 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,974 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,066 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,028 |
| Top World Languages | 0 | - | 4.92 | 812,768 |
| Australian Capitals | 0 | - | 4.92 | 62,591 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,361 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,864 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,799 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,670 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,188 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,843 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,645 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,606 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,007 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,276 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,081 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,979 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,606 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,932 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,970 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,575 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,128 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,601 |
| Capitals of French Regions | 0 | - | 4.45 | 15,982 |
| Regions of France | 0 | - | 4.78 | 119,177 |
| France Immigration by Country | 0 | - | 4.72 | 75,944 |
| Famous Germans | 0 | - | 4.50 | 54,597 |
| German Groups of Things | 0 | - | 4.46 | 38,299 |
| Capitals of German States | 0 | - | 4.74 | 28,809 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,090 |
| Germany True or False? | 0 | - | 4.61 | 48,520 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,437 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,783 |
| Ancient Greek Words | 0 | - | 4.92 | 110,639 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,326 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,763 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,038 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,918 |
| Name Every Beatles Song | 0 | - | 4.97 | 233,993 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,288 |
| Countries by Official Language | 0 | - | 4.95 | 192,711 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,383 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,946 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,046 |
| Countries in their Native Language | 0 | - | 4.99 | 196,570 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,745 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,826 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,045 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,070 |
| European Physical Geography | 0 | - | 4.26 | 33,373 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,764 |
| History of Austria | 0 | - | 4.70 | 17,743 |
| Geography of the French Empire | 0 | - | 4.48 | 26,923 |
| The French Revolution | 0 | - | 4.46 | 23,773 |
| France Multiple Choice | 0 | - | 4.38 | 40,629 |
| History of France | 0 | - | 4.59 | 55,981 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,381 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,417 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,602 |
| The Vikings! | 0 | - | 4.45 | 28,243 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,681 |
| The Portuguese Empire | 0 | - | 4.54 | 11,987 |
| American to British Word Translation | 0 | - | 4.06 | 117,042 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,200 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,389 |
| Champions League Top 4 | 0 | - | 4.77 | 133,704 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,444 |
| Asia Map Quiz | 0 | - | 4.99 | 906,717 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,527 |
| Countries of Africa | 0 | - | 5.00 | 2,506,689 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,779 |
| African East Coast | 0 | - | 4.96 | 95,008 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,897 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,767 |
| Australia Map Quiz | 0 | - | 4.94 | 342,401 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,199 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,048 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,182 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,903 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,236 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,177 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,437 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,868 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,243 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,461 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,134 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,901 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,283 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,387 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,492 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,478 |
| European Geography A-Z | 0 | - | 4.28 | 48,986 |
| Country Codes of Europe | 0 | - | 3.46 | 13,651 |
| The Only European Country ... | 0 | - | 4.91 | 213,726 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,460 |
| Embarrassing Chapters in Russian History | 0 | - | 3.73 | 20,230 |
| Austria... or Australia? | 0 | - | 4.68 | 103,847 |
| Presidents of France | 0 | - | 4.25 | 23,892 |
| Word Chain - France | 0 | - | 4.38 | 42,575 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,761 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,765 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,861 |
| Italian Foods | 0 | - | 4.31 | 72,154 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,932 |
| The Mafia Quiz | 0 | - | 4.46 | 23,203 |
| History of The Netherlands | 0 | - | 4.46 | 17,305 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,954 |
| Canary Islands | 0 | - | 4.61 | 17,397 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,131 |
| British Spellings | 0 | - | 4.07 | 99,199 |
| British Groups of Things | 0 | - | 4.25 | 82,667 |
| British Acronyms | 0 | - | 4.39 | 45,614 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,943 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,424 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,620 |
| Spanish to English Country Names | 0 | - | 4.85 | 31,987 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,673 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,277 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,622 |
| German-Speaking Countries | 0 | - | 4.89 | 123,492 |
| Italian Name Translation | 0 | - | 4.81 | 44,978 |
| French-Speaking Countries | 0 | - | 4.85 | 268,733 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,068 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,423 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,015 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,579 |
