| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,855 |
| Official European Union Languages | 0 | - | 4.97 | 237,672 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,318 |
| Slavic Languages | 0 | - | 4.68 | 54,152 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,823 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,062 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,578 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,747 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,582 |
| History of Russia Quiz | 0 | - | 4.49 | 31,845 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,642 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,669 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,222 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,547 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,868 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,107 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,350 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,493 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,744 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,532 |
| Slavic Countries | 0 | - | 4.96 | 111,259 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,198 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,749 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,555 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,031 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,361 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,316 |
| Celtic Nations | 0 | - | 4.69 | 46,873 |
| Champions League Winners | 0 | - | 4.92 | 1,000,768 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,623 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,600 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,692 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,346 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,327 |
| Geography of Russia | 0 | - | 4.57 | 21,480 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,537 |
| States of Germany | 0 | - | 4.96 | 151,099 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,523 |
| Regions of Italy | 0 | - | 4.92 | 75,219 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 48,517 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,191 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,751 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,814 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,621 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,296 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,808 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,742 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,094 |
| Departments of France | 0 | - | 4.93 | 53,316 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,442 |
| England or Wales? | 0 | - | 4.94 | 45,492 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,263 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,510 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,627 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,301 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,858 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,135 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,636 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,880 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,760 |
| The Trojan War | 0 | - | 4.83 | 39,569 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,660 |
| Name that Greek Letter | 0 | - | 4.93 | 322,559 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,176 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,525 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,288 |
| Roman Emperors | 0 | - | 4.95 | 119,248 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,358 |
| Languages of Spain | 0 | - | 4.36 | 23,236 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,209 |
| Word Chain - Russia | 0 | - | 4.33 | 15,723 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,445 |
| History of Italy | 0 | - | 4.55 | 31,900 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,445 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,568 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,094 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,489 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,402 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,688 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,137 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,113 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,992 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,448 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,334 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,031 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,809 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,443 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,615 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,175 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,136 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,777 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,080 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,121 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,800 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,243 |
| Capitals of French Regions | 0 | - | 4.45 | 16,019 |
| Regions of France | 0 | - | 4.77 | 119,978 |
| France Immigration by Country | 0 | - | 4.72 | 76,208 |
| Famous Germans | 0 | - | 4.50 | 54,841 |
| German Groups of Things | 0 | - | 4.46 | 38,382 |
| Capitals of German States | 0 | - | 4.74 | 28,894 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,204 |
| Germany True or False? | 0 | - | 4.61 | 48,664 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,727 |
| Ancient Greek Words | 0 | - | 4.93 | 111,104 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,889 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,836 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,064 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,156 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,837 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,358 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,463 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,070 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,142 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,168 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,847 |
| Top World Languages | 0 | - | 4.92 | 817,415 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,739 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,113 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,641 |
| Australian Capitals | 0 | - | 4.92 | 62,658 |
| European Physical Geography | 0 | - | 4.26 | 33,425 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,859 |
| History of Austria | 0 | - | 4.70 | 17,801 |
| Geography of the French Empire | 0 | - | 4.45 | 26,999 |
| The French Revolution | 0 | - | 4.46 | 23,862 |
| France Multiple Choice | 0 | - | 4.38 | 40,680 |
| History of France | 0 | - | 4.59 | 56,635 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,866 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,171 |
| The Vikings! | 0 | - | 4.46 | 28,287 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,880 |
| The Portuguese Empire | 0 | - | 4.58 | 12,028 |
| American to British Word Translation | 0 | - | 4.13 | 138,298 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,446 |
| Champions League Top 4 | 0 | - | 4.77 | 134,969 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,956 |
| Asia Map Quiz | 0 | - | 4.99 | 911,021 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,799 |
| Countries by Official Language | 0 | - | 4.95 | 194,023 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,194 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,317 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,596 |
| Countries in their Native Language | 0 | - | 4.99 | 197,642 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,845 |
| Countries of Africa | 0 | - | 5.00 | 2,521,613 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,272 |
| African East Coast | 0 | - | 4.96 | 95,530 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,361 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,212 |
| Australia Map Quiz | 0 | - | 4.94 | 343,290 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,590 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,091 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,468 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,949 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,236 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,441 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,861 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,107 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,727 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,679 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,362 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,090 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,432 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,526 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,651 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,330 |
| European Geography A-Z | 0 | - | 4.29 | 49,114 |
| Country Codes of Europe | 0 | - | 3.46 | 13,676 |
| The Only European Country ... | 0 | - | 4.91 | 215,169 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,335 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,316 |
| Seas of Europe | 0 | - | 4.37 | 84,485 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,898 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,267 |
| Latvia Country Quiz | 0 | - | 4.75 | 31,889 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,589 |
| Austria... or Australia? | 0 | - | 4.68 | 104,109 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,001 |
| Presidents of France | 0 | - | 4.25 | 23,981 |
| France A-Z | 0 | - | 4.16 | 38,114 |
| Word Chain - France | 0 | - | 4.38 | 42,677 |
| History of Germany | 0 | - | 4.39 | 52,726 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,871 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,842 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,260 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,540 |
| Italian Foods | 0 | - | 4.31 | 72,459 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,154 |
| The Mafia Quiz | 0 | - | 4.46 | 23,252 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,631 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,791 |
| Roman Names for Places | 0 | - | 4.62 | 58,061 |
| Byzantine History | 0 | - | 4.91 | 28,704 |
| History of The Netherlands | 0 | - | 4.46 | 17,362 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,992 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,540 |
| Canary Islands | 0 | - | 4.61 | 17,438 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,751 |
