| European Countries by First 2 Letters | 0 | - | 4.95 | 530,762 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,791 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,356 |
| Official European Union Languages | 0 | - | 4.97 | 238,978 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,176 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,237 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,126 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,922 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,436 |
| Celtic Nations | 0 | - | 4.69 | 47,003 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,595 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,543 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,402 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,490 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,220 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,397 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,988 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,425 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,597 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,125 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,370 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,136 |
| States of Germany | 0 | - | 4.95 | 153,324 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,311 |
| Regions of Italy | 0 | - | 4.92 | 76,311 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,464 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,478 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,437 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,168 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,145 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,761 |
| Champions League Winners | 0 | - | 4.92 | 1,010,288 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,657 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,676 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,924 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,712 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,047 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,475 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,746 |
| Slavic Languages | 0 | - | 4.68 | 54,484 |
| Departments of France | 0 | - | 4.93 | 54,525 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,675 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,621 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,517 |
| England or Wales? | 0 | - | 4.94 | 45,814 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,097 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,661 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,879 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,760 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,654 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,386 |
| History of Russia Quiz | 0 | - | 4.47 | 31,957 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,783 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,163 |
| Name that Greek Letter | 0 | - | 4.93 | 324,233 |
| History of Italy | 0 | - | 4.55 | 32,062 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,988 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,727 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,310 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,887 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,967 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,692 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,561 |
| Capitals of French Regions | 0 | - | 4.45 | 16,117 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,388 |
| Capitals of German States | 0 | - | 4.74 | 28,992 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,409 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,221 |
| The Trojan War | 0 | - | 4.83 | 39,811 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,301 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,666 |
| Roman Emperors | 0 | - | 4.95 | 120,445 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,497 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,139 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,577 |
| Australian Capitals | 0 | - | 4.92 | 62,760 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,027 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,423 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,822 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,374 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,042 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,376 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,233 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,045 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,310 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,876 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,366 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,029 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,324 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,307 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,915 |
| Regions of France | 0 | - | 4.70 | 121,308 |
| France Immigration by Country | 0 | - | 4.70 | 76,700 |
| Famous Germans | 0 | - | 4.50 | 55,545 |
| German Groups of Things | 0 | - | 4.46 | 38,530 |
| Germany True or False? | 0 | - | 4.61 | 48,902 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,156 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,042 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,575 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,852 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,514 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,350 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,468 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,703 |
| Imagine Lyrics | 0 | - | 4.53 | 43,426 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,869 |
| Asia Map Quiz | 0 | - | 4.99 | 920,064 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,358 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,992 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,880 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,749 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,073 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,665 |
| European Physical Geography | 0 | - | 4.26 | 33,542 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,766 |
| Country Codes of Europe | 0 | - | 3.43 | 13,759 |
| The Only European Country ... | 0 | - | 4.91 | 217,527 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,663 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,318 |
| Geography of Russia | 0 | - | 4.57 | 21,556 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,027 |
| History of Austria | 0 | - | 4.70 | 17,913 |
| Presidents of France | 0 | - | 4.25 | 24,219 |
| Geography of the French Empire | 0 | - | 4.45 | 27,160 |
| The French Revolution | 0 | - | 4.47 | 24,071 |
| France Multiple Choice | 0 | - | 4.39 | 40,774 |
| History of France | 0 | - | 4.61 | 57,305 |
| Ancient Greek Words | 0 | - | 4.93 | 111,948 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,296 |
| The Vikings! | 0 | - | 4.46 | 28,372 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,223 |
| The Portuguese Empire | 0 | - | 4.58 | 12,086 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,071 |
| American to British Word Translation | 0 | - | 4.14 | 139,347 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,960 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,178 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,731 |
| Beatles Lyrics First Names | 0 | - | 4.34 | 39,587 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,859 |
| Elton John Quiz | 0 | - | 4.49 | 18,495 |
| Champions League Top 4 | 0 | - | 4.77 | 137,396 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,366 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,148 |
| African East Coast | 0 | - | 4.96 | 96,321 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,187 |
| Countries by National Anthem | 0 | - | 4.93 | 71,304 |
| Australia Map Quiz | 0 | - | 4.95 | 345,277 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,083 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,151 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,297 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,639 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,492 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,177 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,922 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,553 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,034 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,170 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,757 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,463 |
| European Geography A-Z | 0 | - | 4.29 | 49,370 |
| Austria... or Australia? | 0 | - | 4.68 | 104,522 |
| Famous French People | 0 | - | 4.07 | 35,877 |
| Word Chain - France | 0 | - | 4.38 | 42,852 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,087 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,951 |
| Italian Foods | 0 | - | 4.30 | 72,964 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,436 |
| The Mafia Quiz | 0 | - | 4.46 | 23,376 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,194 |
| History of The Netherlands | 0 | - | 4.46 | 17,491 |
| Canary Islands | 0 | - | 4.62 | 17,497 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,840 |
| British Spellings | 0 | - | 4.06 | 99,516 |
| British Groups of Things | 0 | - | 4.25 | 82,917 |
| British Acronyms | 0 | - | 4.40 | 45,858 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,059 |
| British Monopoly Board | 0 | - | 4.52 | 41,201 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,968 |
| Geography of Scotland | 0 | - | 4.63 | 21,669 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,081 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,968 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,054 |
| Countries of Africa | 0 | - | 5.00 | 2,546,212 |
| Australian States and Territories | 0 | - | 4.96 | 142,291 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,373 |
| Australia True or False | 0 | - | 4.87 | 56,965 |
| Flags of North and South America | 0 | - | 4.99 | 374,543 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,729 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,430 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,154 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,080 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,648 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,273 |
| North America Map Quiz | 0 | - | 4.98 | 249,604 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,817 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,874 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,923 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,325 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,976 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,612 |
