| European Countries by First 2 Letters | 0 | - | 4.95 | 527,812 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,047 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,621 |
| Australian Capitals | 0 | - | 4.92 | 62,657 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,853 |
| Official European Union Languages | 0 | - | 4.97 | 237,669 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,315 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,567 |
| Slavic Languages | 0 | - | 4.68 | 54,152 |
| Austria... or Australia? | 0 | - | 4.68 | 104,106 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,207 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,747 |
| History of Russia Quiz | 0 | - | 4.49 | 31,844 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,641 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,668 |
| Australian States and Territories | 0 | - | 4.96 | 141,370 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,143 |
| Australia True or False | 0 | - | 4.87 | 56,675 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,105 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,334 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,479 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,743 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,529 |
| Slavic Countries | 0 | - | 4.96 | 111,259 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,198 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,745 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,521 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,316 |
| Celtic Nations | 0 | - | 4.69 | 46,873 |
| Champions League Winners | 0 | - | 4.92 | 1,000,726 |
| Flags of Oceania | 0 | - | 5.00 | 257,009 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,127 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,301 |
| Regions of New Zealand | 0 | - | 4.85 | 28,403 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,619 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,599 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,689 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,342 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,318 |
| Geography of Russia | 0 | - | 4.57 | 21,479 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,857 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,537 |
| States of Germany | 0 | - | 4.96 | 151,084 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,511 |
| Regions of Italy | 0 | - | 4.92 | 75,213 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 48,317 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,182 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,750 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,620 |
| Palau Country Quiz | 0 | - | 4.90 | 22,924 |
| Australia Country Quiz | 0 | - | 4.43 | 69,439 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,368 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,442 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,295 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,793 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,732 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,087 |
| Departments of France | 0 | - | 4.93 | 53,304 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,438 |
| England or Wales? | 0 | - | 4.94 | 45,491 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,251 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,509 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,627 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,298 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,847 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,130 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,635 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,875 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,755 |
| The Trojan War | 0 | - | 4.83 | 39,568 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,646 |
| Name that Greek Letter | 0 | - | 4.93 | 322,551 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,170 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,539 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,523 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,288 |
| Roman Emperors | 0 | - | 4.95 | 119,244 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,358 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,136 |
| Animals of Australia | 0 | - | 4.52 | 42,237 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,577 |
| Word Chain - Russia | 0 | - | 4.33 | 15,723 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,434 |
| History of Italy | 0 | - | 4.55 | 31,900 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,442 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,567 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,723 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,093 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,399 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,015 |
| New Zealand Country Quiz | 0 | - | 4.70 | 75,747 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,873 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,685 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,136 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,111 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,991 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,445 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,330 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,031 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,807 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,441 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,610 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,053 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,135 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,776 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,080 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,121 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,799 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,243 |
| Capitals of French Regions | 0 | - | 4.45 | 16,019 |
| Regions of France | 0 | - | 4.77 | 119,976 |
| France Immigration by Country | 0 | - | 4.72 | 76,201 |
| Famous Germans | 0 | - | 4.50 | 54,836 |
| German Groups of Things | 0 | - | 4.46 | 38,381 |
| Capitals of German States | 0 | - | 4.74 | 28,894 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,201 |
| Germany True or False? | 0 | - | 4.61 | 48,664 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,727 |
| Ancient Greek Words | 0 | - | 4.93 | 111,101 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,885 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,836 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,061 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,155 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,831 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,463 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,064 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,139 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,162 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,685 |
| Which African Country? | 0 | - | 4.58 | 36,300 |
| Word Chain - Australia | 0 | - | 4.37 | 38,076 |
| European Physical Geography | 0 | - | 4.26 | 33,425 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,225 |
| History of Austria | 0 | - | 4.70 | 17,800 |
| Geography of the French Empire | 0 | - | 4.45 | 26,999 |
| The French Revolution | 0 | - | 4.46 | 23,862 |
| France Multiple Choice | 0 | - | 4.38 | 40,680 |
| History of France | 0 | - | 4.59 | 56,632 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,858 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,161 |
| The Vikings! | 0 | - | 4.46 | 28,287 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,877 |
| The Portuguese Empire | 0 | - | 4.58 | 12,028 |
| American to British Word Translation | 0 | - | 4.13 | 138,293 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,814 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,444 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,179 |
| Champions League Top 4 | 0 | - | 4.77 | 134,965 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,944 |
| Asia Map Quiz | 0 | - | 4.99 | 910,986 |
| Which Asian Country? | 0 | - | 4.64 | 57,485 |
| Countries of Africa | 0 | - | 5.00 | 2,521,536 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,267 |
| African East Coast | 0 | - | 4.96 | 95,524 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,360 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,015 |
| Marshall Islands Country Quiz | 0 | - | 4.61 | 20,614 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,185 |
| Kiribati Country Quiz | 0 | - | 4.70 | 18,976 |
| Federated States of Micronesia Country Quiz | 0 | - | 4.63 | 21,605 |
| Australia Map Quiz | 0 | - | 4.94 | 343,282 |
| AFL Teams | 0 | - | 4.40 | 40,139 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,808 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 18,998 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,247 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,605 |
| Samoa Country Quiz | 0 | - | 4.80 | 20,720 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,650 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,641 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,533 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,085 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,468 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,944 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,229 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,438 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,856 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,105 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,725 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,676 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,360 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,089 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,430 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,525 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,650 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,321 |
| European Geography A-Z | 0 | - | 4.29 | 49,114 |
| Country Codes of Europe | 0 | - | 3.46 | 13,676 |
| The Only European Country ... | 0 | - | 4.91 | 215,151 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,330 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,316 |
| Seas of Europe | 0 | - | 4.37 | 84,483 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,895 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,267 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,589 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,000 |
| Presidents of France | 0 | - | 4.25 | 23,981 |
| France A-Z | 0 | - | 4.16 | 38,113 |
| Word Chain - France | 0 | - | 4.38 | 42,676 |
| France True or False? | 0 | - | 4.43 | 39,861 |
