| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,453 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,150 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,514 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,682 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,955 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,932 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,954 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,444 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,972 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,583 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,400 |
| Official European Union Languages | 0 | - | 4.97 | 239,080 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,236 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,478 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,221 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,715 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,506 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,089 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,939 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,165 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,107,033 |
| Random Symbol to Element | 0 | - | 4.88 | 93,464 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,007 |
| Random Country to Capital | 0 | - | 4.98 | 923,771 |
| Celtic Nations | 0 | - | 4.69 | 47,011 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,714 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,674 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,823 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,581 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,520 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,249 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,772 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,682 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,182 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,130 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,180 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,389 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,044 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,344 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,319 |
| German Groups of Things | 0 | - | 4.46 | 38,551 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,349 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,216 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,470 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,630 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,471 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,271 |
| States of Germany | 0 | - | 4.95 | 153,543 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,359 |
| Regions of Italy | 0 | - | 4.92 | 76,414 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,513 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,643 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,478 |
| Name a Valid English City | 0 | - | 4.19 | 16,765 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,771 |
| Champions League Winners | 0 | - | 4.92 | 1,010,856 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,439 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,422 |
| Random Countries by Borders | 0 | - | 4.99 | 82,736 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,418 |
| Random Point on Land to Country | 0 | - | 4.99 | 236,043 |
| Random Countries on a Topological Map | 0 | - | 4.91 | 52,461 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,279 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,969 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,045 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,831 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,203 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,006 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,340 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,764 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,240 |
| Departments of France | 0 | - | 4.93 | 54,605 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,637 |
| England or Wales? | 0 | - | 4.94 | 45,827 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,216 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,348 |
| Name a Valid African Country | 0 | - | 4.98 | 154,506 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,011 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,857 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,383 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,587 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,893 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,668 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,774 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,678 |
| Word Scramble - European Cities | 0 | - | 3.84 | 18,939 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,825 |
| European Geographic Groups of Four | 0 | - | 4.58 | 16,363 |
| Slavic Languages | 0 | - | 4.68 | 54,514 |
| Word Chain - France | 0 | - | 4.38 | 42,866 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,682 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,531 |
| British Groups of Things | 0 | - | 4.25 | 82,931 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,064 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,070 |
| Word Chain - Africa | 0 | - | 4.47 | 31,663 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,175 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,685 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,690 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,906 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,602 |
| Name that Greek Letter | 0 | - | 4.93 | 324,329 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,056 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,717 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,445 |
| History of Russia Quiz | 0 | - | 4.47 | 31,970 |
| Word Chain - Russia | 0 | - | 4.33 | 15,776 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,794 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,429 |
| Word Chain - Germany | 0 | - | 4.31 | 22,639 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,268 |
| The Trojan War | 0 | - | 4.83 | 39,845 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,399 |
| History of Italy | 0 | - | 4.55 | 32,084 |
| Word Chain - Italy | 0 | - | 4.07 | 23,198 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,056 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,986 |
| Roman Emperors | 0 | - | 4.95 | 120,534 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,745 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,439 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,323 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,369 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,923 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,750 |
| Name a Valid Answer - NBA | 0 | - | 4.41 | 83,168 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,288 |
| Australian Capitals | 0 | - | 4.92 | 62,776 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,096 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,498 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,882 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,436 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,105 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,482 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,283 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,099 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,351 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,938 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,385 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,964 |
| Capitals of French Regions | 0 | - | 4.45 | 16,123 |
| Regions of France | 0 | - | 4.70 | 121,411 |
| France Immigration by Country | 0 | - | 4.70 | 76,717 |
| Famous Germans | 0 | - | 4.50 | 55,567 |
| Capitals of German States | 0 | - | 4.74 | 29,004 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,418 |
| Germany True or False? | 0 | - | 4.61 | 48,919 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,195 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,243 |
| Ancient Greek Words | 0 | - | 4.93 | 112,038 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,716 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,904 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,541 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,365 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,508 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,502 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,325 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,184 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,578 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,636 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,308 |
| Famous People from Africa | 0 | - | 4.45 | 10,972 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,019 |
| Four Letter African Geography | 0 | - | 4.67 | 19,543 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,222 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 144,840 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,881 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,766 |
| Word Chain - Australia | 0 | - | 4.38 | 38,185 |
| European Physical Geography | 0 | - | 4.26 | 33,551 |
| Geography of Russia | 0 | - | 4.57 | 21,560 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,037 |
| History of Austria | 0 | - | 4.70 | 17,923 |
| Geography of the French Empire | 0 | - | 4.45 | 27,168 |
| The French Revolution | 0 | - | 4.47 | 24,077 |
| France Multiple Choice | 0 | - | 4.39 | 40,783 |
| History of France | 0 | - | 4.61 | 57,346 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,361 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,322 |
| The Vikings! | 0 | - | 4.46 | 28,375 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,246 |
| The Portuguese Empire | 0 | - | 4.58 | 12,087 |
| American to British Word Translation | 0 | - | 4.14 | 139,399 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,970 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,205 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,739 |
| Champions League Top 4 | 0 | - | 4.77 | 137,544 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,069 |
| Asia Map Quiz | 0 | - | 4.99 | 920,608 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,041 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,927 |
| Random Country Dots on an Empty World Map | 0 | - | 4.74 | 105,039 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,637,130 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,089 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,035 |
| Australia Map Quiz | 0 | - | 4.95 | 345,395 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,809 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,721 |
| Word Chain - South America | 0 | - | 4.51 | 23,949 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,835 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,352 |