| Europe Geography Decoder | 0 | - | 4.86 | 70,071 |
| German Groups of Things | 0 | - | 4.46 | 38,504 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,249 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,413 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,297 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,200 |
| States of Germany | 0 | - | 4.95 | 152,983 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,211 |
| Regions of Italy | 0 | - | 4.92 | 76,139 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,354 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,238 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,341 |
| British Groups of Things | 0 | - | 4.25 | 82,899 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,730 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,210 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,466 |
| Departments of France | 0 | - | 4.93 | 54,359 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,598 |
| England or Wales? | 0 | - | 4.94 | 45,766 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,273 |
| Official European Union Languages | 0 | - | 4.97 | 238,808 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,053 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,748 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,821 |
| Word Chain - France | 0 | - | 4.38 | 42,817 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,893 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,051 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,377 |
| Celtic Nations | 0 | - | 4.69 | 46,975 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,329 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,994 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,276 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,278 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,488 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,030 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,565 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,520 |
| Regions of France | 0 | - | 4.72 | 121,097 |
| France Immigration by Country | 0 | - | 4.70 | 76,639 |
| Famous Germans | 0 | - | 4.50 | 55,472 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,429 |
| Germany True or False? | 0 | - | 4.61 | 48,861 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,149 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,105 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,696 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,464 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,321 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,033 |
| Counties of England | 0 | - | 4.97 | 798,255 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,380 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,673 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,564 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,962 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,197 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,374 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,235 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,312 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,829 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,811 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,708 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,051 |
| Word Chain - Germany | 0 | - | 4.31 | 22,606 |
| Word Chain - Italy | 0 | - | 4.07 | 23,177 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,972 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,097 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,038 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,354 |
| Name a Valid English City | 0 | - | 4.19 | 16,739 |
| Champions League Winners | 0 | - | 4.91 | 1,008,955 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,105 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,304 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,996 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,613 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,550 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,189 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,987 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,119 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,731 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,519 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,747 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,728 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,253 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,749 |
| Famous French People | 0 | - | 4.07 | 35,780 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,028 |
| Germany Country Quiz | 0 | - | 4.83 | 158,092 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,539 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,054 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,940 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,572 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,227 |
| Italian Foods | 0 | - | 4.30 | 72,892 |
| The Mafia Quiz | 0 | - | 4.46 | 23,359 |
| History of The Netherlands | 0 | - | 4.46 | 17,467 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,057 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,880 |
| Canary Islands | 0 | - | 4.62 | 17,489 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,191 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,791 |
| British Spellings | 0 | - | 4.06 | 99,490 |
| British Acronyms | 0 | - | 4.40 | 45,828 |
| UK Immigration by Country | 0 | - | 4.94 | 141,077 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,070 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,886 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,904 |
| Geography of Scotland | 0 | - | 4.63 | 21,645 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,835 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,263 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,996 |
| Word Chain - Africa | 0 | - | 4.47 | 31,639 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,629 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,669 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,428 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,617 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,578 |
| Slavic Languages | 0 | - | 4.68 | 54,434 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,834 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,635 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,080 |
| France A-Z | 0 | - | 4.16 | 38,245 |
| French History Multiple Choice | 0 | - | 4.55 | 33,104 |
| History of Germany | 0 | - | 4.39 | 52,878 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,438 |
| Name that Greek Letter | 0 | - | 4.93 | 324,070 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,643 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,244 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,505 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,638 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 42,006 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,429 |
| Switzerland A-Z | 0 | - | 4.45 | 25,672 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,738 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,829 |
| Malta Country Quiz | 0 | - | 4.81 | 31,099 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,977 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,684 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,490 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,356 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,917 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,258 |
| History of Russia Quiz | 0 | - | 4.47 | 31,943 |
| Word Chain - Russia | 0 | - | 4.33 | 15,770 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,764 |
| Movies Set in France | 0 | - | 4.26 | 13,126 |
| French Inventions | 0 | - | 4.10 | 13,905 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,323 |
| History of Paris | 0 | - | 4.24 | 13,657 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,149 |
| The Trojan War | 0 | - | 4.83 | 39,777 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,088 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,342 |
| History of Italy | 0 | - | 4.55 | 32,037 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,908 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,120 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,618 |
| Roman Emperors | 0 | - | 4.95 | 120,297 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,708 |
| Famous Nordic People | 0 | - | 4.34 | 20,157 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,428 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,462 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,620 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,284 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,539 |
| People on Money - England | 0 | - | 4.29 | 16,621 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,522 |
| Famous People from Africa | 0 | - | 4.45 | 10,960 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,989 |
| Four Letter African Geography | 0 | - | 4.67 | 19,416 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,234 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,097 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,525 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,975 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,220 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,835 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,673 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,900 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,682 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,982 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,827 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,121 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,590 |
| Europe Map Quiz | 0 | - | 5.00 | 4,768,528 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,720 |
| Capitals of French Regions | 0 | - | 4.45 | 16,096 |
| Kings of France Quiz | 0 | - | 4.20 | 32,798 |
| Capitals of German States | 0 | - | 4.74 | 28,979 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,379 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,584 |
| Ancient Greek Words | 0 | - | 4.93 | 111,823 |
| British to American Food Translation | 0 | - | 3.38 | 51,977 |
| Robin Hood Quiz | 0 | - | 4.00 | 8,465 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,480 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,763 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,953 |
| Famous Scottish People | 0 | - | 4.22 | 18,409 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,539 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,585 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,274 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,404 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,697 |
