| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,804 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,544 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,575 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,236 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,191 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,389 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,999 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,242 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,566 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,232 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,102 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,585 |
| Official European Union Languages | 0 | - | 4.97 | 236,638 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,709 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,733 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,575 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,231 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,189 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,570 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,115 |
| Random Symbol to Element | 0 | - | 4.88 | 92,226 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,088 |
| Random Country to Capital | 0 | - | 4.98 | 911,675 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,856 |
| Celtic Nations | 0 | - | 4.69 | 46,812 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,859 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,866 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,937 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,158 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,615 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,050 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,975 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,824 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,005 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,046 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,450 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,993 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,621 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,948 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,988 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,007 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,367 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,352 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,337 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,226 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,150 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,277 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,021 |
| States of Germany | 0 | - | 4.96 | 150,091 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,025 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,526 |
| Regions of Italy | 0 | - | 4.92 | 74,734 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,824 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,364 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,201 |
| Name a Valid English City | 0 | - | 4.19 | 16,631 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,433 |
| Champions League Winners | 0 | - | 4.92 | 996,455 |
| Random Countries by Borders | 0 | - | 4.99 | 81,681 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,131 |
| Random Point on Land to Country | 0 | - | 4.99 | 231,894 |
| Random Countries on a Topological Map | 0 | - | 4.90 | 51,228 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,460 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,597 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,860 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,352 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,064 |
| Name a Valid African Country | 0 | - | 4.98 | 152,951 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,184 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,833 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,264 |
| Departments of France | 0 | - | 4.93 | 52,841 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,371 |
| England or Wales? | 0 | - | 4.94 | 45,321 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,507 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,063 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,255 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,829 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,585 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,534 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,538 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,451 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,401 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,599 |
| Word Scramble - European Cities | 0 | - | 3.81 | 18,793 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,065 |
| Slavic Languages | 0 | - | 4.67 | 53,987 |
| Word Chain - France | 0 | - | 4.38 | 42,584 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,430 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,251 |
| British Groups of Things | 0 | - | 4.25 | 82,676 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,950 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,131 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,449 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,133 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,845 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,517 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,991 |
| Name that Greek Letter | 0 | - | 4.94 | 321,698 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,919 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,913 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,546 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,143 |
| History of Russia Quiz | 0 | - | 4.49 | 31,795 |
| Word Chain - Russia | 0 | - | 4.33 | 15,685 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,568 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,607 |
| Word Chain - Germany | 0 | - | 4.31 | 22,475 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,465 |
| The Trojan War | 0 | - | 4.83 | 39,434 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,545 |
| History of Italy | 0 | - | 4.55 | 31,817 |
| Word Chain - Italy | 0 | - | 4.07 | 23,089 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,169 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,056 |
| Roman Emperors | 0 | - | 4.95 | 118,497 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,483 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,286 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,983 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,240 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,115 |
| Famous People from Africa | 0 | - | 4.45 | 10,858 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,809 |
| Word Chain - Africa | 0 | - | 4.47 | 31,442 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,874 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,420 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,921 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,868 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,725 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,228 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,911 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,680 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,637 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,029 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,319 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,710 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,607 |
| Capitals of French Regions | 0 | - | 4.45 | 15,987 |
| Regions of France | 0 | - | 4.78 | 119,277 |
| France Immigration by Country | 0 | - | 4.72 | 75,969 |
| Famous Germans | 0 | - | 4.50 | 54,621 |
| Capitals of German States | 0 | - | 4.74 | 28,812 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,098 |
| Germany True or False? | 0 | - | 4.61 | 48,535 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,469 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,233 |
| Ancient Greek Words | 0 | - | 4.92 | 110,709 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,312 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,535 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,831 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,049 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,969 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,264 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,130 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,353 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,332 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,331 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,159 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,483 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,235 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,241 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,472 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,373 |
| Word Chain - Australia | 0 | - | 4.37 | 38,014 |
| European Physical Geography | 0 | - | 4.26 | 33,375 |
| Geography of Russia | 0 | - | 4.57 | 21,428 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,779 |
| History of Austria | 0 | - | 4.70 | 17,752 |
| Geography of the French Empire | 0 | - | 4.48 | 26,936 |
| The French Revolution | 0 | - | 4.46 | 23,785 |
| France Multiple Choice | 0 | - | 4.38 | 40,635 |
| History of France | 0 | - | 4.59 | 56,066 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,384 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,591 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,621 |
| The Vikings! | 0 | - | 4.46 | 28,246 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,702 |
| The Portuguese Empire | 0 | - | 4.54 | 11,991 |
| American to British Word Translation | 0 | - | 4.06 | 120,425 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,707 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,227 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,395 |
| Champions League Top 4 | 0 | - | 4.77 | 133,833 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,549 |
| Asia Map Quiz | 0 | - | 4.99 | 907,122 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,339 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,354 |
| Random Country Dots on an Empty World Map | 0 | - | 4.73 | 102,388 |
| Name a Valid Answer - NBA | 0 | - | 4.40 | 81,315 |
| Countries of Africa | 0 | - | 5.00 | 2,508,179 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,823 |
| African East Coast | 0 | - | 4.96 | 95,060 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,932 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,980 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,809 |
| Australia Map Quiz | 0 | - | 4.94 | 342,508 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,614 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,199 |
