| European Countries by First 2 Letters | 0 | - | 4.96 | 508,803 |
| Catholic Countries in Europe | 0 | - | 4.83 | 89,719 |
| Federal Subjects of Russia | 0 | - | 4.93 | 129,263 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 217,021 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 155,271 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 64,991 |
| Official European Union Languages | 0 | - | 4.98 | 227,651 |
| European Countries in their Native Language | 0 | - | 4.99 | 150,972 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 408,769 |
| Deadliest U.S. Wars | 0 | - | 4.90 | 183,168 |
| Countries Bordering Serbia | 0 | - | 4.96 | 88,078 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,795 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.84 | 40,636 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 40,082 |
| Countries with the Most Military Troops | 0 | - | 4.96 | 266,413 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 248,111 |
| Countries with NO Military | 0 | - | 4.96 | 56,062 |
| Major non-NATO U.S. Allies | 0 | - | 4.50 | 49,101 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,230 |
| Celtic Nations | 0 | - | 4.74 | 45,957 |
| European Geography By Letter - A | 0 | - | 4.61 | 128,622 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,418 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,692 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,443 |
| European Geography By Letter - L | 0 | - | 4.51 | 108,879 |
| European Geography By Letter - M | 0 | - | 4.53 | 117,976 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,265 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,725 |
| European Geography By Letter - R | 0 | - | 4.41 | 90,153 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,511 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 96,804 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.87 | 83,884 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 298,240 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 143,707 |
| European Geography By Letter - B #2 | 0 | - | 4.80 | 65,578 |
| Famous Germans | 0 | - | 4.44 | 39,834 |
| Germany Multiple Choice | 0 | - | 4.83 | 51,948 |
| Famous Italians | 0 | - | 4.41 | 70,510 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,136 |
| Countries with the Most Tanks | 0 | - | 4.85 | 80,959 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 231,488 |
| Monarchies of Europe | 0 | - | 4.89 | 93,027 |
| States of Germany | 0 | - | 4.94 | 137,763 |
| Germany Immigration by Country | 0 | - | 4.87 | 75,459 |
| Counties of Ireland | 0 | - | 4.89 | 175,437 |
| Regions of Italy | 0 | - | 4.91 | 67,788 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 34,947 |
| Regions of Spain Quiz | 0 | - | 4.89 | 104,416 |
| Cantons of Switzerland | 0 | - | 4.97 | 45,240 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.96 | 308,808 |
| Champions League Winners | 0 | - | 4.91 | 946,197 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 63,947 |
| Monarchies of Asia | 0 | - | 4.96 | 68,044 |
| Most Powerful Countries Bordering Each Other | 0 | - | 4.86 | 54,391 |
| Military History Vocabulary | 0 | - | 4.91 | 63,872 |
| Battle to Country | 0 | - | 4.91 | 48,745 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,302 |
| Countries That Border Russia | 0 | - | 4.98 | 445,164 |
| Serbia Country Quiz | 0 | - | 4.43 | 33,410 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,281 |
| United Kingdom A-Z | 0 | - | 4.53 | 84,599 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,524 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 87,010 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 70,512 |
| European Geography By Letter - E | 0 | - | 4.22 | 109,131 |
| European Geography By Letter - F | 0 | - | 4.16 | 88,775 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,274 |
| European Geography By Letter - G | 0 | - | 4.26 | 98,481 |
| European Geography By Letter - I | 0 | - | 4.10 | 91,963 |
| European Geography By Letter - K | 0 | - | 4.14 | 66,836 |
| European Geography By Letter - O | 0 | - | 4.28 | 59,876 |
| European Geography by Letter - W | 0 | - | 4.22 | 80,599 |
| European Geography By Letter - T | 0 | - | 4.39 | 73,078 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 48,691 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 187,489 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 121,637 |
| European Geography A-Z | 0 | - | 4.31 | 47,462 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 262,796 |
| Russia Country Quiz | 0 | - | 4.83 | 109,266 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 33,331 |
| Departments of France | 0 | - | 4.88 | 44,447 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,126 |
| History of The Netherlands | 0 | - | 4.45 | 16,548 |
| British Acronyms | 0 | - | 4.39 | 44,688 |
| British Monopoly Board | 0 | - | 4.51 | 40,294 |
| English Monarchs Quiz | 0 | - | 4.90 | 475,297 |
| England or Wales? | 0 | - | 4.94 | 43,211 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 120,566 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 120,063 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.89 | 73,351 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,181 |
| Word Scramble - European Countries | 0 | - | 4.74 | 135,437 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 103,086 |
| Name a Major European City A-Z | 0 | - | 4.31 | 45,954 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 61,200 |
| Slavic Languages | 0 | - | 4.68 | 51,660 |
| Countries that Border Poland | 0 | - | 4.99 | 166,065 |
| Russian History A-Z | 0 | - | 4.36 | 18,306 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 79,737 |
| Countries that Border Hungary | 0 | - | 4.98 | 100,674 |
| Moldova Country Quiz | 0 | - | 4.87 | 29,180 |
| French Geography Quiz #1 | 0 | - | 4.87 | 33,067 |
| France A-Z | 0 | - | 4.18 | 37,155 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 614,427 |
| Capitals of Italian Regions | 0 | - | 4.61 | 35,554 |
| Spanish Immigration by Country | 0 | - | 4.62 | 54,035 |
| WWII Geography | 0 | - | 4.82 | 114,690 |
| WWII Figures by Picture | 0 | - | 4.83 | 46,010 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 257,656 |
| The American Civil War | 0 | - | 4.61 | 50,739 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 107,733 |
| Top 10 Hottest U.S. States | 0 | - | 4.85 | 118,158 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.84 | 59,549 |
| Top European Languages on a Map | 0 | - | 4.78 | 125,800 |
| Famous Russians Quiz | 0 | - | 4.16 | 23,141 |
| Russia Multiple Choice | 0 | - | 4.57 | 39,549 |
| Countries that Beat Russia | 0 | - | 4.83 | 77,316 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.85 | 93,074 |
| Famous French People | 0 | - | 4.12 | 24,619 |
| France Multiple Choice | 0 | - | 4.41 | 39,895 |
| Ancient Greece A-Z | 0 | - | 4.61 | 22,046 |
| The Trojan War | 0 | - | 4.81 | 37,765 |
| Name that Greek Letter | 0 | - | 4.94 | 310,690 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.86 | 102,579 |
| Famous Irish People | 0 | - | 4.05 | 45,122 |
| Italy Multiple Choice | 0 | - | 4.74 | 99,458 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 75,022 |
| Roman Emperors | 0 | - | 4.96 | 109,335 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,542 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,167 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,148 |
| The British Royal Family - Modern Times | 0 | - | 4.15 | 21,124 |
| People on Money - England | 0 | - | 4.34 | 16,306 |
| English Monarchs in Order by First Letter | 0 | - | 4.40 | 28,504 |
| London A-Z | 0 | - | 4.13 | 39,735 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.89 | 49,607 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 268,026 |
| Countries in World War I | 0 | - | 4.88 | 219,739 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 219,367 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 25,157 |
| Countries Closest to United States A-Z | 0 | - | 4.83 | 112,900 |
| Europe Map Quiz | 0 | - | 5.00 | 4,546,427 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,355 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 69,906 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,441 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 59,644 |
| European Secessionist Movements on a Map | 0 | - | 4.52 | 33,344 |
| Most Mentioned Allies of Russia | 0 | - | 4.48 | 36,483 |
| Most Mentioned Enemies of Russia | 0 | - | 4.70 | 86,840 |
| Capitals of French Regions | 0 | - | 4.42 | 15,482 |
| Regions of France | 0 | - | 4.70 | 110,927 |
| France Immigration by Country | 0 | - | 4.78 | 73,224 |
| German Groups of Things | 0 | - | 4.46 | 37,387 |
| Capitals of German States | 0 | - | 4.73 | 28,169 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 21,976 |
| Germany True or False? | 0 | - | 4.63 | 46,781 |
| Largest Islands of Greece | 0 | - | 4.58 | 44,312 |
| Olympian Gods Quiz | 0 | - | 4.96 | 471,322 |
| Ancient Greek Words | 0 | - | 4.92 | 105,200 |
| Provinces of the Netherlands | 0 | - | 4.74 | 37,094 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 97,710 |
| Beatles Songs Quiz | 0 | - | 4.96 | 222,962 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 283,118 |
| Famous Scottish People | 0 | - | 4.20 | 17,884 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 69,343 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 63,811 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 59,924 |
| Asian Geography by Letter - P | 0 | - | 4.44 | 56,100 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 55,677 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 41,158 |
| Asian Country Superlatives | 0 | - | 4.74 | 63,609 |
| Countries with U.S. Troops | 0 | - | 4.37 | 129,376 |
| Countries With the Largest Air Forces | 0 | - | 4.47 | 49,908 |
| Africa Map Quiz | 0 | - | 5.00 | 2,031,775 |
| Most Guessed African Countries on JetPunk | 0 | - | 4.70 | 103,064 |
| Oceania Map Quiz | 0 | - | 4.98 | 603,890 |
| Australian Capitals | 0 | - | 4.92 | 61,857 |
| U.S. Five-Star Generals and Admirals | 0 | - | 4.34 | 8,131 |
| European Physical Geography | 0 | - | 4.24 | 32,752 |
| Albania Country Quiz | 0 | - | 4.53 | 36,722 |
| History of Russia Quiz | 0 | - | 4.48 | 31,075 |
| Geography of Russia | 0 | - | 4.56 | 20,875 |
| Croatia Country Quiz | 0 | - | 4.80 | 40,589 |
| Czech Republic Country Quiz | 0 | - | 4.51 | 40,139 |
| Slovakia... or Slovenia? | 0 | - | 4.70 | 40,843 |
| Ukraine Country Quiz | 0 | - | 4.41 | 45,203 |
| Hungary Country Quiz | 0 | - | 4.48 | 40,853 |
| Romania Country Quiz | 0 | - | 4.61 | 51,083 |
| History of Austria | 0 | - | 4.69 | 17,139 |
| Geography of the French Empire | 0 | - | 4.51 | 26,175 |
| The French Revolution | 0 | - | 4.45 | 22,827 |
| History of France Quiz | 0 | - | 4.56 | 41,654 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 22,803 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,229 |
| History of Italy | 0 | - | 4.52 | 31,017 |
| Italian History A-Z | 0 | - | 4.17 | 9,289 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 417,844 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,659 |
| The Vikings! | 0 | - | 4.46 | 27,773 |
| Sweden Immigration by Country | 0 | - | 4.64 | 44,873 |
