| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,924 |
| Official European Union Languages | 0 | - | 4.98 | 203,920 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,056 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 491,925 |
| Federal Subjects of Russia | 0 | - | 4.95 | 116,894 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 392,630 |
| Slavic Languages | 0 | - | 4.64 | 49,434 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,347 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,288 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,303 |
| Top European Languages on a Map | 0 | - | 4.78 | 120,077 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,265 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,055 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,467 |
| Top African Languages on a Map | 0 | - | 4.93 | 55,958 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 108,199 |
| Most Spoken Languages in Canada | 0 | - | 4.88 | 48,028 |
| Celtic Nations | 0 | - | 4.76 | 45,042 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 80,793 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 288,924 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 122,572 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,402 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 116,927 |
| Slavic Countries | 0 | - | 4.96 | 101,579 |
| Germany Multiple Choice | 0 | - | 4.81 | 50,082 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,708 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,359 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,492 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 281,677 |
| Champions League Winners | 0 | - | 4.91 | 892,916 |
| Catholic Countries in Europe | 0 | - | 4.86 | 85,308 |
| Category Elimination - European Geography #3 | 0 | - | 4.87 | 67,796 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 103,116 |
| France Immigration by Country | 0 | - | 4.81 | 70,264 |
| States of Germany | 0 | - | 4.94 | 127,090 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,342 |
| Counties of Ireland | 0 | - | 4.90 | 163,477 |
| Regions of Italy | 0 | - | 4.89 | 62,060 |
| Languages of the United Kingdom | 0 | - | 4.12 | 38,659 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,439 |
| History of Russia Quiz | 0 | - | 4.48 | 30,128 |
| Geography of Russia | 0 | - | 4.54 | 20,360 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 27,134 |
| England or Wales? | 0 | - | 4.93 | 41,023 |
| All Champions League Teams Ever | 0 | - | 4.90 | 108,055 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 204,940 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 250,802 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 146,011 |
| Croatia Country Quiz | 0 | - | 4.81 | 38,262 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,000 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,531 |
| Languages of Spain | 0 | - | 4.36 | 21,609 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,887 |
| Word Scramble - European Countries | 0 | - | 4.76 | 127,597 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 90,398 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,624 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.92 | 76,872 |
| Countries that Border Hungary | 0 | - | 4.98 | 97,436 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.81 | 31,542 |
| Moldova Country Quiz | 0 | - | 4.86 | 27,821 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 592,024 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,718 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,204 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,556 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,326 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 165,666 |
| Famous Russians Quiz | 0 | - | 4.16 | 22,745 |
| Word Chain - Russia | 0 | - | 4.36 | 14,948 |
| Russia Multiple Choice | 0 | - | 4.56 | 38,509 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.87 | 90,235 |
| Latvia Country Quiz | 0 | - | 4.84 | 29,004 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,551 |
| Name that Greek Letter | 0 | - | 4.94 | 298,574 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 87,353 |
| Italy Multiple Choice | 0 | - | 4.74 | 95,535 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,443 |
| Roman Emperors | 0 | - | 4.96 | 97,892 |
| Provinces of the Netherlands | 0 | - | 4.65 | 34,184 |
| British Acronyms | 0 | - | 4.41 | 43,760 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,716 |
| Beatles Songs Quiz | 0 | - | 4.95 | 212,722 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 276,841 |
| European Geography By Letter - A | 0 | - | 4.63 | 125,765 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,818 |
| European Geography By Letter - C | 0 | - | 4.45 | 106,150 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,596 |
| European Geography By Letter - L | 0 | - | 4.51 | 106,268 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,529 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,649 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,395 |
| European Geography By Letter - V | 0 | - | 4.45 | 87,414 |
| Europe Map Quiz | 0 | - | 5.00 | 4,352,203 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 67,667 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 68,138 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,818 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,380 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 94,710 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 63,165 |
| Most Mentioned Allies of Russia | 0 | - | 4.47 | 34,808 |
| Most Mentioned Enemies of Russia | 0 | - | 4.71 | 83,622 |
| Regions of France | 0 | - | 4.65 | 103,030 |
| German Groups of Things | 0 | - | 4.43 | 36,373 |
| Capitals of German States | 0 | - | 4.70 | 27,426 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,602 |
| Germany True or False? | 0 | - | 4.60 | 45,106 |
| Largest Islands of Greece | 0 | - | 4.58 | 41,027 |
| Olympian Gods Quiz | 0 | - | 4.96 | 461,138 |
| Ancient Greek Words | 0 | - | 4.91 | 99,556 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,395 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 345,025 |
| Top World Languages | 0 | - | 4.92 | 723,156 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 404,565 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,726 |
| The Vikings! | 0 | - | 4.45 | 27,311 |
| Sweden Immigration by Country | 0 | - | 4.66 | 43,036 |
| The Portuguese Empire | 0 | - | 4.54 | 11,416 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,699 |
| Champions League Top 4 | 0 | - | 4.64 | 110,404 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,355,898 |
| Asia Map Quiz | 0 | - | 4.99 | 800,525 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 30,774 |
| Africa Map Quiz | 0 | - | 5.00 | 1,961,155 |
| Official Languages of South Africa | 0 | - | 4.56 | 25,072 |
| Oceania Map Quiz | 0 | - | 4.98 | 576,818 |
| Australian Capitals | 0 | - | 4.92 | 61,115 |
| European Physical Geography | 0 | - | 4.20 | 32,137 |
| Czech Republic Country Quiz | 0 | - | 4.52 | 38,545 |
| Slovakia... or Slovenia? | 0 | - | 4.72 | 40,056 |
| Ukraine Country Quiz | 0 | - | 4.41 | 43,140 |
| Hungary Country Quiz | 0 | - | 4.48 | 38,807 |
| Romania Country Quiz | 0 | - | 4.65 | 48,754 |
| History of Austria | 0 | - | 4.69 | 16,574 |
| Geography of the French Empire | 0 | - | 4.49 | 25,630 |
| The French Revolution | 0 | - | 4.45 | 22,140 |
| France Multiple Choice | 0 | - | 4.40 | 39,010 |
| History of France Quiz | 0 | - | 4.55 | 40,057 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,184 |
| History of Italy | 0 | - | 4.49 | 30,043 |
| Countries by Official Language | 0 | - | 4.96 | 175,218 |
| Places in their Native Language #1 | 0 | - | 4.86 | 213,564 |
| Places in their Native Language #2 | 0 | - | 4.89 | 114,565 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,189 |
| Countries in their Native Language | 0 | - | 4.98 | 180,540 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,887 |
| History of The Netherlands | 0 | - | 4.43 | 15,954 |
| Famous Nordic People | 0 | - | 4.41 | 10,736 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,984 |
| Canary Islands | 0 | - | 4.61 | 16,648 |
| Real Madrid 2010's Starting XI | 0 | - | 4.85 | 53,999 |
| Switzerland Immigration by Country | 0 | - | 4.76 | 22,960 |
| 100 Greatest Britons Quiz | 0 | - | 4.39 | 46,327 |
| British Spellings Quiz | 0 | - | 4.04 | 95,107 |
| British Groups of Things | 0 | - | 4.26 | 80,756 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,894 |
| British Monopoly Board | 0 | - | 4.51 | 39,495 |
| English Monarchs in Order by First Letter | 0 | - | 4.44 | 24,372 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,822 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,293,593 |
| Countries of Africa | 0 | - | 5.00 | 2,215,589 |
| African East Coast | 0 | - | 4.97 | 85,794 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,253 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,635 |
| Australia Map Quiz | 0 | - | 4.94 | 323,061 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,766 |
| United States Map Quiz | 0 | - | 4.98 | 3,933,770 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,989 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,359 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,095 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 339,642 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,674 |
| European Geography By Letter - F | 0 | - | 4.16 | 86,156 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,778 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,980 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,760 |
| European Geography By Letter - K | 0 | - | 4.14 | 65,220 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,400 |
| European Geography By Letter - R | 0 | - | 4.40 | 88,312 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,821 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,576 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,514 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,391 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 95,344 |
| European Geography A-Z | 0 | - | 4.37 | 45,944 |
| Country Codes of Europe | 0 | - | 3.36 | 12,864 |
| The Only European Country ... | 0 | - | 4.93 | 183,135 |
| Embarrassing Chapters in Russian History | 0 | - | 3.78 | 19,445 |
| Austria... or Australia? | 0 | - | 4.79 | 99,046 |
| Capitals of French Regions | 0 | - | 4.40 | 14,901 |
| Presidents of France | 0 | - | 4.23 | 20,594 |
| Word Chain - France | 0 | - | 4.37 | 40,444 |
| Famous Germans | 0 | - | 4.39 | 35,355 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,884 |
| Figures from Greek Mythology | 0 | - | 4.92 | 170,967 |
| Famous Italians | 0 | - | 4.40 | 67,379 |
| Italian Foods | 0 | - | 4.25 | 65,498 |
| The Mafia Quiz | 0 | - | 4.47 | 21,828 |
| Capitals in their Native Languages | 0 | - | 4.94 | 128,140 |
| Top World Languages A-Z | 0 | - | 4.85 | 32,179 |
| Every Country in its Official/Native Language | 0 | - | 4.97 | 18,150 |
| German-Speaking Countries | 0 | - | 4.88 | 118,298 |
