| Europe Geography Decoder | 0 | - | 4.86 | 70,250 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,974 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,481 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,105 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,551 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,785 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,608 |
| Official European Union Languages | 0 | - | 4.97 | 239,521 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,508 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,392 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,289 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,576 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,552 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,179 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,015 |
| Countries with Four Letters | 0 | - | 4.99 | 425,140 |
| Celtic Nations | 0 | - | 4.61 | 47,071 |
| Four Letter African Geography | 0 | - | 4.68 | 19,683 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,922 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,319 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,176 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,641 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,372 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,490 |
| Country Chain | 0 | - | 4.96 | 218,216 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,463 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,123 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,415 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,384 |
| German Groups of Things | 0 | - | 4.47 | 38,605 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,602 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,656 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,708 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,351 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,096 |
| States of Germany | 0 | - | 4.95 | 154,137 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,585 |
| Regions of Italy | 0 | - | 4.92 | 76,789 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,689 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,110 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,639 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,816 |
| Champions League Winners | 0 | - | 4.92 | 1,014,074 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,522 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,929 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,349 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,712 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,842 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,708 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,386 |
| Slavic Languages | 0 | - | 4.67 | 54,632 |
| Departments of France | 0 | - | 4.93 | 54,921 |
| Word Chain - France | 0 | - | 4.38 | 42,907 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,715 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,714 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,599 |
| British Groups of Things | 0 | - | 4.25 | 82,981 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,090 |
| England or Wales? | 0 | - | 4.94 | 45,911 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,756 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,216 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,466 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,861 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,504 |
| Word Chain - Africa | 0 | - | 4.47 | 31,696 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,008 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,335 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,829 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,026 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,388 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,117 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,692 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,782 |
| History of Russia Quiz | 0 | - | 4.47 | 31,990 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,840 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,967 |
| Name that Greek Letter | 0 | - | 4.93 | 324,754 |
| History of Italy | 0 | - | 4.55 | 32,117 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,238 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,791 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,401 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,077 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,278 |
| Word Chain - Russia | 0 | - | 4.33 | 15,786 |
| Capitals of French Regions | 0 | - | 4.45 | 16,159 |
| Capitals of German States | 0 | - | 4.74 | 29,046 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,511 |
| Word Chain - Germany | 0 | - | 4.31 | 22,666 |
| The Trojan War | 0 | - | 4.83 | 39,944 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,751 |
| Word Chain - Italy | 0 | - | 4.07 | 23,209 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,513 |
| Roman Emperors | 0 | - | 4.95 | 120,974 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,471 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,391 |
| Name a Valid English City | 0 | - | 4.19 | 16,801 |
| Famous People from Africa | 0 | - | 4.45 | 10,986 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,308 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,352 |
| Australian Capitals | 0 | - | 4.92 | 62,811 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,312 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,717 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,094 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,184 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,103 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,754 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,110 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,876 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,392 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,611 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,318 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,226 |
| Regions of France | 0 | - | 4.70 | 121,846 |
| France Immigration by Country | 0 | - | 4.70 | 76,853 |
| Famous Germans | 0 | - | 4.50 | 55,711 |
| Germany True or False? | 0 | - | 4.61 | 48,978 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,366 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,194 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,260 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,658 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,386 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,691 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,390 |
| Asia Map Quiz | 0 | - | 4.99 | 923,605 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,629 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,700 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,344 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,622 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,068 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,325 |
| Word Chain - Australia | 0 | - | 4.38 | 38,224 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,574 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,859 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,426 |
| European Physical Geography | 0 | - | 4.26 | 33,581 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,825 |
| Country Codes of Europe | 0 | - | 3.43 | 13,794 |
| The Only European Country ... | 0 | - | 4.91 | 218,524 |
| Word Scramble - European Cities | 0 | - | 3.84 | 18,962 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,241 |
| Geography of Russia | 0 | - | 4.57 | 21,582 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,088 |
| History of Austria | 0 | - | 4.70 | 17,962 |
| Presidents of France | 0 | - | 4.25 | 24,309 |
| Geography of the French Empire | 0 | - | 4.45 | 27,201 |
| The French Revolution | 0 | - | 4.47 | 24,124 |
| France Multiple Choice | 0 | - | 4.39 | 40,821 |
| History of France | 0 | - | 4.61 | 57,506 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,548 |
| Ancient Greek Words | 0 | - | 4.93 | 112,298 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,440 |
| The Vikings! | 0 | - | 4.46 | 28,397 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,328 |
| The Portuguese Empire | 0 | - | 4.58 | 12,096 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,103 |
| American to British Word Translation | 0 | - | 4.14 | 139,575 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,031 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,296 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,778 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,987 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,633 |
| Champions League Top 4 | 0 | - | 4.77 | 138,460 |
| Word Chain - Asia | 0 | - | 4.34 | 29,378 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,759 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,683 |
| African East Coast | 0 | - | 4.96 | 96,610 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,453 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,707 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,646,967 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,559 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,893 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,333 |
| One-Syllable Countries Quiz | 0 | - | 4.36 | 123,164 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,071 |
| Random Symbol to Element | 0 | - | 4.88 | 93,707 |
| Name a Valid World City | 0 | - | 4.84 | 71,827 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,529 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,124 |
| Australia Map Quiz | 0 | - | 4.95 | 345,871 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,839 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,614 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,842 |
| Word Chain - South America | 0 | - | 4.51 | 23,985 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,628 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,171 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,374 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,870 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,823 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,133 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,929 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,638 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,326 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,962 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,379 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,434 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,718 |
| European Geography A-Z | 0 | - | 4.29 | 49,447 |
| Austria... or Australia? | 0 | - | 4.68 | 104,691 |
| Famous French People | 0 | - | 4.07 | 36,027 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,191 |
