| Europe Geography Decoder | 0 | - | 4.86 | 69,711 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,384 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,520 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,302 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,697 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,221 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,802 |
| Official European Union Languages | 0 | - | 4.97 | 237,505 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,226 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,237 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,515 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,908 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,429 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,647 |
| Random Symbol to Element | 0 | - | 4.88 | 92,454 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,492 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,093,073 |
| Random Capital to Country | 0 | - | 4.99 | 2,582,881 |
| Random Country to Capital | 0 | - | 4.98 | 914,246 |
| Celtic Nations | 0 | - | 4.69 | 46,861 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,773 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,141 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,051 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,052 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,163 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,165 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,708 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,072 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,693 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,098 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,742 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,044 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,090 |
| German Groups of Things | 0 | - | 4.46 | 38,368 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,162 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,505 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,661 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,580 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,514 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,268 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,614 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,991 |
| States of Germany | 0 | - | 4.96 | 150,886 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,286 |
| Regions of Italy | 0 | - | 4.92 | 75,061 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,048 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,027 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,649 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,605 |
| Champions League Winners | 0 | - | 4.92 | 999,882 |
| Random Countries by Borders | 0 | - | 4.99 | 81,886 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,004 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,873 |
| Random Point on Land to Country | 0 | - | 4.99 | 232,731 |
| Random Countries on a Topological Map | 0 | - | 4.90 | 51,501 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,484 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,645 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,494 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,492 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,622 |
| Word Scramble - European Cities | 0 | - | 3.83 | 18,846 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,700 |
| Slavic Languages | 0 | - | 4.68 | 54,122 |
| Departments of France | 0 | - | 4.93 | 53,165 |
| Word Chain - France | 0 | - | 4.38 | 42,661 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,509 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,419 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,319 |
| British Groups of Things | 0 | - | 4.25 | 82,752 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,986 |
| England or Wales? | 0 | - | 4.94 | 45,455 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,090 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,610 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,180 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,955 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,868 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,667 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 135,993 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 380,169 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,211 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,069 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,612 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,014 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,076 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,496 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,276 |
| History of Russia Quiz | 0 | - | 4.49 | 31,831 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,625 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,047 |
| Name that Greek Letter | 0 | - | 4.93 | 322,335 |
| History of Italy | 0 | - | 4.55 | 31,880 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,386 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,545 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,070 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,957 |
| Famous People from Africa | 0 | - | 4.45 | 10,919 |
| Word Chain - Africa | 0 | - | 4.47 | 31,521 |
| Four Letter African Geography | 0 | - | 4.73 | 17,292 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,496 |
| Word Chain - Russia | 0 | - | 4.33 | 15,712 |
| Capitals of French Regions | 0 | - | 4.45 | 16,012 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,814 |
| Capitals of German States | 0 | - | 4.74 | 28,884 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,178 |
| Word Chain - Germany | 0 | - | 4.31 | 22,514 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,683 |
| The Trojan War | 0 | - | 4.83 | 39,536 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,037 |
| Word Chain - Italy | 0 | - | 4.07 | 23,129 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,229 |
| Roman Emperors | 0 | - | 4.95 | 119,047 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,324 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,281 |
| Name a Valid English City | 0 | - | 4.19 | 16,663 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,345 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,358 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,873 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,825 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,988 |
| Australian Capitals | 0 | - | 4.92 | 62,642 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,652 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,638 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,095 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,072 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,945 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,415 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,252 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,003 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,781 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,409 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,558 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,772 |
| Regions of France | 0 | - | 4.78 | 119,772 |
| France Immigration by Country | 0 | - | 4.72 | 76,138 |
| Famous Germans | 0 | - | 4.50 | 54,796 |
| Germany True or False? | 0 | - | 4.61 | 48,633 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,675 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,907 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,936 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,803 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,006 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,128 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,767 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,481 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,384 |
| Asia Map Quiz | 0 | - | 4.99 | 910,009 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,389 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,406 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,186 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,166 |
| African East Coast | 0 | - | 4.96 | 95,422 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,285 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,114 |
| Word Chain - Australia | 0 | - | 4.37 | 38,059 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,877 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,420 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,725 |
| European Physical Geography | 0 | - | 4.26 | 33,413 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,160 |
| Country Codes of Europe | 0 | - | 3.46 | 13,671 |
| The Only European Country ... | 0 | - | 4.91 | 214,865 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,148 |
| Geography of Russia | 0 | - | 4.57 | 21,463 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,836 |
| History of Austria | 0 | - | 4.70 | 17,792 |
| Presidents of France | 0 | - | 4.25 | 23,958 |
| Geography of the French Empire | 0 | - | 4.45 | 26,983 |
| The French Revolution | 0 | - | 4.46 | 23,848 |
| France Multiple Choice | 0 | - | 4.38 | 40,673 |
| History of France | 0 | - | 4.59 | 56,504 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,418 |
| Ancient Greek Words | 0 | - | 4.93 | 111,021 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,788 |
| The Vikings! | 0 | - | 4.46 | 28,278 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,798 |
| The Portuguese Empire | 0 | - | 4.58 | 12,020 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,985 |
| American to British Word Translation | 0 | - | 4.13 | 138,012 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,793 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,387 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,441 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,851 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,032 |
| Champions League Top 4 | 0 | - | 4.77 | 134,731 |
| Word Chain - Asia | 0 | - | 4.34 | 29,259 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,075 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,600,432 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,130 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 116,961 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,696 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,519 |
| Random Country Dots on an Empty World Map | 0 | - | 4.73 | 103,110 |
| Name a Valid World City | 0 | - | 4.83 | 70,467 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,700 |
| Countries of Africa | 0 | - | 5.00 | 2,517,969 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,007 |
| Australia Map Quiz | 0 | - | 4.94 | 343,088 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,661 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,242 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,508 |