| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,734 |
| Official European Union Languages | 0 | - | 4.97 | 239,813 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,659 |
| Slavic Languages | 0 | - | 4.68 | 54,698 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,542 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,784 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,916 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,323 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,850 |
| History of Russia Quiz | 0 | - | 4.47 | 32,006 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,873 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,059 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,982 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,570 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,029 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,770 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,850 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,192 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,798 |
| Slavic Countries | 0 | - | 4.96 | 112,378 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,696 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,451 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,769 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,091 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,742 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,272 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,507 |
| Celtic Nations | 0 | - | 4.61 | 47,099 |
| Champions League Winners | 0 | - | 4.92 | 1,016,262 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,946 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,773 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,844 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,992 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,508 |
| Geography of Russia | 0 | - | 4.57 | 21,600 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,478 |
| States of Germany | 0 | - | 4.95 | 154,523 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,699 |
| Regions of Italy | 0 | - | 4.92 | 77,088 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,809 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,326 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,769 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,061 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,754 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,885 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,939 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,946 |
| Departments of France | 0 | - | 4.93 | 55,171 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,746 |
| England or Wales? | 0 | - | 4.94 | 45,971 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,165 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,745 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,720 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,331 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,201 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,948 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,089 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,704 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,561 |
| The Trojan War | 0 | - | 4.83 | 39,992 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,965 |
| Name that Greek Letter | 0 | - | 4.93 | 324,991 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,965 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,742 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,594 |
| Roman Emperors | 0 | - | 4.95 | 121,215 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,627 |
| Languages of Spain | 0 | - | 4.36 | 23,438 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,604 |
| Word Chain - Russia | 0 | - | 4.33 | 15,798 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,789 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,567 |
| History of Italy | 0 | - | 4.55 | 32,148 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,380 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,824 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,426 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,679 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,213 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,611 |
| European Geography By Letter - C | 0 | - | 4.43 | 124,045 |
| European Geography By Letter - D | 0 | - | 4.48 | 117,737 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,120 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,577 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,165 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,640 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,075 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,640 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,558 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,532 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,186 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,464 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,432 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,468 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,547 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,746 |
| Capitals of French Regions | 0 | - | 4.45 | 16,184 |
| Regions of France | 0 | - | 4.70 | 122,105 |
| France Immigration by Country | 0 | - | 4.70 | 76,938 |
| Famous Germans | 0 | - | 4.50 | 55,795 |
| German Groups of Things | 0 | - | 4.47 | 38,637 |
| Capitals of German States | 0 | - | 4.74 | 29,072 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,543 |
| Germany True or False? | 0 | - | 4.61 | 49,022 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,473 |
| Ancient Greek Words | 0 | - | 4.93 | 112,475 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,387 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,505 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,775 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,408 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,831 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,570 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,815 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,815 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,344 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,811 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,714 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,382 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,717 |
| Top World Languages | 0 | - | 4.92 | 829,894 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,244 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,459 |
| Australian Capitals | 0 | - | 4.92 | 62,834 |
| European Physical Geography | 0 | - | 4.26 | 33,597 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,131 |
| History of Austria | 0 | - | 4.70 | 17,974 |
| Geography of the French Empire | 0 | - | 4.45 | 27,218 |
| The French Revolution | 0 | - | 4.47 | 24,148 |
| France Multiple Choice | 0 | - | 4.39 | 40,850 |
| History of France | 0 | - | 4.61 | 57,625 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,560 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,868 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,852 |
| The Vikings! | 0 | - | 4.46 | 28,407 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,390 |
| The Portuguese Empire | 0 | - | 4.58 | 12,106 |
| American to British Word Translation | 0 | - | 4.14 | 139,705 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,374 |
| Champions League Top 4 | 0 | - | 4.78 | 139,104 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,576 |
| Asia Map Quiz | 0 | - | 4.99 | 925,281 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,414 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,821 |
| Countries by Official Language | 0 | - | 4.95 | 196,017 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,377 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,663 |
| Countries in their Native Language | 0 | - | 4.99 | 199,752 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,960 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,469 |
| Australia Map Quiz | 0 | - | 4.95 | 346,184 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,495 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,969 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,924 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,828 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,256 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,261 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,532 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,245 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,008 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,610 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,246 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,616 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,612 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,899 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,919 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,149 |
| European Geography A-Z | 0 | - | 4.29 | 49,486 |
| Country Codes of Europe | 0 | - | 3.45 | 13,833 |
| The Only European Country ... | 0 | - | 4.91 | 219,047 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,537 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,857 |
| Seas of Europe | 0 | - | 4.37 | 84,922 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,227 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,363 |
| Latvia Country Quiz | 0 | - | 4.77 | 32,205 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,672 |
| Austria... or Australia? | 0 | - | 4.67 | 104,772 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,144 |
| Famous French People | 0 | - | 4.07 | 36,109 |
| Presidents of France | 0 | - | 4.25 | 24,339 |
| France A-Z | 0 | - | 4.16 | 38,337 |
| Word Chain - France | 0 | - | 4.38 | 42,939 |
| History of Germany | 0 | - | 4.39 | 52,973 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,242 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,048 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,315 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,843 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,969 |
| Italian Foods | 0 | - | 4.30 | 73,284 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,657 |
| The Mafia Quiz | 0 | - | 4.46 | 23,440 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,297 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,208 |
| Roman Names for Places | 0 | - | 4.62 | 58,713 |
| Byzantine History | 0 | - | 4.91 | 29,024 |
| Byzantine Emperors | 0 | - | 4.93 | 14,600 |
| History of The Netherlands | 0 | - | 4.46 | 17,556 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,118 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,280 |
| Canary Islands | 0 | - | 4.62 | 17,542 |
