| Monarchies of Europe | 0 | - | 4.90 | 98,463 |
| Name the English Monarchs | 0 | - | 4.91 | 504,590 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,030 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,234 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,489 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,554 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,485 |
| Monarchies of Asia | 0 | - | 4.97 | 71,304 |
| Europe Map Quiz | 0 | - | 5.00 | 4,775,091 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,100 |
| Countries Bordering France | 0 | - | 4.83 | 403,909 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,971 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,452 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,383 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,583 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,019 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,821 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,313 |
| Departments of France | 0 | - | 4.93 | 54,644 |
| Germany Country Quiz | 0 | - | 4.83 | 158,356 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,752 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,825 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,714 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,645 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,193 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,386 |
| England or Wales? | 0 | - | 4.94 | 45,833 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,425 |
| Official European Union Languages | 0 | - | 4.97 | 239,142 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,262 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,612 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,938 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,736 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,004 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,321 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,677 |
| Counties of Ireland | 0 | - | 4.92 | 196,349 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,076 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,492 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,851 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,538 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,213 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,531 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,868 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,081 |
| Kings of France Quiz | 0 | - | 4.20 | 32,847 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,855 |
| The Trojan War | 0 | - | 4.83 | 39,865 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,441 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,727 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,168 |
| Roman Emperors | 0 | - | 4.95 | 120,601 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,145 |
| British Monopoly Board | 0 | - | 4.52 | 41,210 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,898 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,365 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,160 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,180 |
| The Only European Country ... | 0 | - | 4.91 | 217,809 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,851 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,946 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,001 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,868 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,828 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,560 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,741 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,950 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,097 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,640 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,746 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,481 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,742 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,732 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,003 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,736 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,511 |
| Slavic Countries | 0 | - | 4.96 | 112,016 |
| France A-Z | 0 | - | 4.16 | 38,287 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,536 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,256 |
| Counties of England | 0 | - | 4.97 | 799,978 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,985 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,452 |
| Celtic Nations | 0 | - | 4.69 | 47,022 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,115 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,518 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,896 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,445 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,116 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,504 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,294 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,111 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,361 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,949 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,972 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,083 |
| Famous Germans | 0 | - | 4.50 | 55,585 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,190 |
| Famous Irish People | 0 | - | 4.05 | 46,031 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,926 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,367 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,518 |
| British Geography A-Z | 0 | - | 4.42 | 19,576 |
| London A-Z | 0 | - | 4.10 | 40,835 |
| Champions League Winners | 0 | - | 4.92 | 1,011,207 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,160 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,163 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,008 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,913 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,116 |
| European Countries with One Border | 0 | - | 4.97 | 183,285 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,060 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,883 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,450 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,332 |
| Countries That Border Russia | 0 | - | 4.98 | 463,277 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,216 |
| Austria Country Quiz | 0 | - | 4.57 | 59,894 |
| Belgium Country Quiz | 0 | - | 4.72 | 72,010 |
| France Country Quiz | 0 | - | 4.70 | 135,316 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,001 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,356 |
| States of Germany | 0 | - | 4.95 | 153,617 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,376 |
| Greece Country Quiz | 0 | - | 4.74 | 66,438 |
| Regions of Italy | 0 | - | 4.92 | 76,446 |
| Italy Country Quiz | 0 | - | 4.77 | 123,729 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,593 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,722 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,525 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,594 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,253 |
| Portugal Country Quiz | 0 | - | 4.69 | 72,104 |
| Spain Country Quiz | 0 | - | 4.44 | 128,914 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,710 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,501 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,498 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,255 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,786 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,550 |
| English Royal Consorts | 0 | - | 4.38 | 37,446 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,774 |
| Counties of Wales | 0 | - | 4.63 | 39,427 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,775 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,092 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,493 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,978 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,356 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,702 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,556 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,238 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,985 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,612 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,094 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,220 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,499 |
| European Geography A-Z | 0 | - | 4.29 | 49,393 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,641 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,763 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,853 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,278 |
| Russia Country Quiz | 0 | - | 4.83 | 114,805 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,536 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,448 |
| Austria... or Australia? | 0 | - | 4.68 | 104,578 |
| Famous French People | 0 | - | 4.07 | 35,930 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,893 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,123 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,975 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,482 |
| The Mafia Quiz | 0 | - | 4.46 | 23,394 |
| History of The Netherlands | 0 | - | 4.46 | 17,503 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,087 |
| Finland Country Quiz | 0 | - | 4.51 | 59,834 |
| Norway Country Quiz | 0 | - | 4.44 | 77,570 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,276 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,398 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,565 |
| British Acronyms | 0 | - | 4.40 | 45,876 |
| UK Immigration by Country | 0 | - | 4.94 | 141,270 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,374 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,188 |
| Medieval English History | 0 | - | 4.53 | 43,594 |
| Famous Scottish People | 0 | - | 4.22 | 18,418 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,279 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,549 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,514 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,247 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,747 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,654 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,378 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,669 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,232 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,680 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,970 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,563 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,901 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,697 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,697 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,550 |
