| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,622 |
| Official European Union Languages | 0 | - | 4.98 | 203,084 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,597 |
| Slavic Languages | 0 | - | 4.63 | 49,233 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 489,869 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 391,045 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,157 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,997 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,238 |
| Top European Languages on a Map | 0 | - | 4.76 | 119,544 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,403 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 61,645 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,358 |
| Top African Languages on a Map | 0 | - | 4.92 | 55,127 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 107,931 |
| Most Spoken Languages in Canada | 0 | - | 4.84 | 47,736 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 80,523 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 287,960 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 118,479 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,960 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 116,618 |
| Slavic Countries | 0 | - | 4.96 | 101,321 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,894 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 21,111 |
| Champions League Winners | 0 | - | 4.91 | 879,479 |
| Celtic Nations | 0 | - | 4.76 | 44,967 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,446 |
| Regions of Spain Quiz | 0 | - | 4.87 | 96,626 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,090 |
| Languages of the United Kingdom | 0 | - | 4.11 | 38,558 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 278,811 |
| Catholic Countries in Europe | 0 | - | 4.87 | 84,908 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 67,222 |
| History of Russia Quiz | 0 | - | 4.48 | 30,059 |
| Federal Subjects of Russia | 0 | - | 4.95 | 115,431 |
| Geography of Russia | 0 | - | 4.54 | 20,309 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,842 |
| France Immigration by Country | 0 | - | 4.81 | 69,830 |
| States of Germany | 0 | - | 4.93 | 126,160 |
| Germany Immigration by Country | 0 | - | 4.90 | 70,846 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,947 |
| Counties of Ireland | 0 | - | 4.90 | 162,354 |
| Regions of Italy | 0 | - | 4.89 | 61,559 |
| England or Wales? | 0 | - | 4.93 | 40,785 |
| All Champions League Teams Ever | 0 | - | 4.90 | 107,131 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,271 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 203,834 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 249,607 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 145,241 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,888 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,350 |
| Languages of Spain | 0 | - | 4.35 | 21,546 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,744 |
| Word Scramble - European Countries | 0 | - | 4.71 | 115,160 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 89,183 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,181 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 590,098 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 86,769 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,191 |
| Roman Emperors | 0 | - | 4.95 | 97,113 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,623 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,102 |
| Most-Spoken Languages of the United States | 0 | - | 4.46 | 165,187 |
| Word Chain - Russia | 0 | - | 4.37 | 14,912 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,387 |
| Olympian Gods Quiz | 0 | - | 4.96 | 460,084 |
| Name that Greek Letter | 0 | - | 4.94 | 297,837 |
| Italy Multiple Choice | 0 | - | 4.74 | 95,040 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,380 |
| Provinces of the Netherlands | 0 | - | 4.65 | 33,865 |
| 100 Greatest Britons Quiz | 0 | - | 4.43 | 46,209 |
| British Acronyms | 0 | - | 4.41 | 43,605 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,356 |
| Beatles Songs Quiz | 0 | - | 4.95 | 211,166 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 275,828 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 257,766 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 247,543 |
| European Geography By Letter - A | 0 | - | 4.57 | 125,392 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,519 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,718 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,291 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,839 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,228 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,363 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,166 |
| European Geography By Letter - V | 0 | - | 4.45 | 87,221 |
| Europe Map Quiz | 0 | - | 5.00 | 4,336,458 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,505 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,975 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,655 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,233 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,484 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 62,846 |
| Regions of France | 0 | - | 4.63 | 102,195 |
| German Groups of Things | 0 | - | 4.43 | 36,251 |
| Capitals of German States | 0 | - | 4.70 | 27,376 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,404 |
| Germany True or False? | 0 | - | 4.60 | 44,931 |
| Largest Islands of Greece | 0 | - | 4.58 | 40,746 |
| Ancient Greek Words | 0 | - | 4.90 | 99,037 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,322 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,704 |
| Top World Languages | 0 | - | 4.92 | 718,970 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 403,271 |
| The Vikings! | 0 | - | 4.45 | 27,252 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,828 |
| The Portuguese Empire | 0 | - | 4.54 | 11,393 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,469 |
| Champions League Top 4 | 0 | - | 4.69 | 109,178 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,353,132 |
| Asia Map Quiz | 0 | - | 4.99 | 796,401 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 30,706 |
| Africa Map Quiz | 0 | - | 5.00 | 1,955,277 |
| Official Languages of South Africa | 0 | - | 4.55 | 25,026 |
| Oceania Map Quiz | 0 | - | 4.98 | 574,183 |
| Australian Capitals | 0 | - | 4.92 | 61,052 |
| European Physical Geography | 0 | - | 4.20 | 32,071 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,950 |
| History of Austria | 0 | - | 4.69 | 16,518 |
| Geography of the French Empire | 0 | - | 4.49 | 25,572 |
| The French Revolution | 0 | - | 4.45 | 22,090 |
| France Multiple Choice | 0 | - | 4.40 | 38,916 |
| History of France Quiz | 0 | - | 4.55 | 39,951 |
| Figures from Greek Mythology | 0 | - | 4.92 | 170,501 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,112 |
| History of Italy | 0 | - | 4.49 | 29,977 |
| Countries by Official Language | 0 | - | 4.96 | 174,575 |
| Places in their Native Language #1 | 0 | - | 4.86 | 212,600 |
| Places in their Native Language #2 | 0 | - | 4.88 | 114,029 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,967 |
| Countries in their Native Language | 0 | - | 4.98 | 179,718 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,888 |
| Roman Names for Places | 0 | - | 4.66 | 42,047 |
| Byzantine History | 0 | - | 4.87 | 26,451 |
| History of The Netherlands | 0 | - | 4.43 | 15,902 |
| Famous Nordic People | 0 | - | 4.41 | 10,710 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,930 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,803 |
| Canary Islands | 0 | - | 4.61 | 16,619 |
| Real Madrid 2010's Starting XI | 0 | - | 4.85 | 53,254 |
| Switzerland Immigration by Country | 0 | - | 4.76 | 22,507 |
| British Spellings Quiz | 0 | - | 4.04 | 94,977 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 66,121 |
| British Groups of Things | 0 | - | 4.26 | 80,637 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,852 |
| British Monopoly Board | 0 | - | 4.51 | 39,407 |
| English Monarchs in Order by First Letter | 0 | - | 4.77 | 11,782 |
| Wonderwall Lyrics | 0 | - | 4.23 | 69,223 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,856 |
| Champions League All-Time Table | 0 | - | 4.15 | 120,341 |
| Champions League Top Goal Scorers | 0 | - | 4.22 | 182,992 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,306 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,290,492 |
| Japanese Language - Katakana Practice | 0 | - | 4.58 | 26,793 |
| Countries of Africa | 0 | - | 5.00 | 2,202,243 |
| African East Coast | 0 | - | 4.97 | 85,340 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,929 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,223 |
| Australia Map Quiz | 0 | - | 4.94 | 322,136 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,598 |
| United States Map Quiz | 0 | - | 4.98 | 3,925,650 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,621 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,104 |
| Countries That Use the Euro | 0 | - | 4.93 | 65,213 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 338,698 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,173 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,900 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,524 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,725 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,532 |
| European Geography By Letter - K | 0 | - | 4.14 | 65,006 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,205 |
| European Geography By Letter - R | 0 | - | 4.40 | 88,087 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,676 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,366 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,347 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,203 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,582 |
| European Geography A-Z | 0 | - | 4.36 | 45,782 |
| Country Codes of Europe | 0 | - | 3.36 | 12,828 |
| The Only European Country ... | 0 | - | 4.93 | 181,847 |
| Name a Major European City A-Z | 0 | - | 4.34 | 43,502 |
| Seas of Europe | 0 | - | 4.34 | 80,058 |
| Embarrassing Chapters in Russian History | 0 | - | 3.80 | 19,414 |
| Austria... or Australia? | 0 | - | 4.79 | 98,760 |
| Famous Dutch and Belgian People | 0 | - | 4.51 | 16,934 |
| Capitals of French Regions | 0 | - | 4.40 | 14,872 |
| Presidents of France | 0 | - | 4.23 | 20,478 |
| Word Chain - France | 0 | - | 4.38 | 40,310 |
| Famous Germans | 0 | - | 4.39 | 35,323 |
| History of Germany Quiz | 0 | - | 4.35 | 40,417 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,740 |
| The Trojan War | 0 | - | 4.80 | 36,240 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.55 | 56,684 |
| Ancient Greece - Multiple Choice | 0 | - | 4.53 | 38,973 |
| Iceland... or Ireland? | 0 | - | 4.72 | 54,356 |
| Famous Italians | 0 | - | 4.40 | 67,065 |
| Italian Foods | 0 | - | 4.25 | 65,139 |
| The Mafia Quiz | 0 | - | 4.47 | 21,749 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,613 |
