| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,579 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,099 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,986 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,593 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,486 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,852 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,946 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,976 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,981 |
| Departments of France | 0 | - | 4.93 | 55,203 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,751 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,296 |
| England or Wales? | 0 | - | 4.94 | 45,977 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,755 |
| Official European Union Languages | 0 | - | 4.97 | 239,846 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,680 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,004 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,499 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,716 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,569 |
| The Trojan War | 0 | - | 4.83 | 40,000 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,995 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,603 |
| Roman Emperors | 0 | - | 4.95 | 121,249 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,895 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,863 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,327 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,617 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,063 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,312 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,966 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,040 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,834 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,971 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,701 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,464 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,090 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,864 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,510 |
| Celtic Nations | 0 | - | 4.61 | 47,105 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,533 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,193 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,469 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,435 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,351 |
| German Groups of Things | 0 | - | 4.47 | 38,639 |
| Geography of Spain | 0 | - | 4.59 | 22,186 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,515 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,847 |
| Champions League Winners | 0 | - | 4.92 | 1,016,482 |
| NFL Football Last Names | 0 | - | 4.43 | 172,073 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,689 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,752 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,344 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,994 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,793 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,909 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,006 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,579 |
| Countries Bordering France | 0 | - | 4.83 | 404,991 |
| States of Germany | 0 | - | 4.95 | 154,579 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,709 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,923 |
| Regions of Italy | 0 | - | 4.92 | 77,116 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,817 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,393 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,359 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,778 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,384 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,133 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,587 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,369 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,515 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,498 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,709 |
| 75 Americans Named John | 0 | - | 4.41 | 23,975 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,902 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,757 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,258 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,746 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,926 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,944 |
| Austria... or Australia? | 0 | - | 4.67 | 104,774 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,838 |
| Word Chain - France | 0 | - | 4.38 | 42,943 |
| Germany Country Quiz | 0 | - | 4.82 | 158,870 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,088 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,245 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,050 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,265 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,079 |
| Italian Foods | 0 | - | 4.30 | 73,294 |
| Countries Italy Declared War On | 0 | - | 4.75 | 44,575 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,515 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,888 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,953 |
| British Groups of Things | 0 | - | 4.26 | 83,021 |
| British to American Food Translation | 0 | - | 3.38 | 52,050 |
| UK Immigration by Country | 0 | - | 4.94 | 141,746 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,113 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,051 |
| British Monopoly Board | 0 | - | 4.52 | 41,275 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,820 |
| Name the English Monarchs | 0 | - | 4.91 | 506,618 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,206 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,393 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,759 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,813 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,457 |
| Name a Valid African Country | 0 | - | 4.98 | 155,065 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,707 |
| Last Names in U.S. History #2 | 0 | - | 4.39 | 17,703 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,021 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,749 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,721 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,351 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,481 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,968 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,110 |
| Slavic Languages | 0 | - | 4.67 | 54,707 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,631 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,673 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,959 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,808 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,145 |
| France A-Z | 0 | - | 4.16 | 38,342 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,156 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,490 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,352 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,715 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,508 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,124 |
| Name that Greek Letter | 0 | - | 4.93 | 325,028 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,333 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,852 |
| Counties of Ireland | 0 | - | 4.92 | 197,379 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,742 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,267 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,195 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,417 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,304 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,216 |
| Roman Names for Places | 0 | - | 4.62 | 58,718 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,632 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,160 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,362 |
| Switzerland A-Z | 0 | - | 4.45 | 25,770 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,882 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,434 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,102 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,399 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,081 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,317 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,458 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,496 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,091 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,045 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,174 |
| Famous Child Stars by Last Name | 0 | - | 4.15 | 13,552 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,866 |
| History of Russia Quiz | 0 | - | 4.47 | 32,009 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,877 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,154 |
| Word Chain - Germany | 0 | - | 4.31 | 22,686 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,244 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,862 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,607 |
| Famous Irish People | 0 | - | 4.05 | 46,067 |
| History of Italy | 0 | - | 4.55 | 32,154 |
| Word Chain - Italy | 0 | - | 4.07 | 23,224 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,396 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,827 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,242 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,429 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,416 |
| Name a Valid English City | 0 | - | 4.19 | 16,829 |
| British Geography A-Z | 0 | - | 4.42 | 19,614 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,069 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,726 |
| London A-Z | 0 | - | 4.10 | 40,880 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,421 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,247 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,648 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,099 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,045 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,168 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,632 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,197 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,767 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,105 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,685 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,104 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,500 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,554 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,750 |
| Capitals of French Regions | 0 | - | 4.45 | 16,185 |
| Regions of France | 0 | - | 4.70 | 122,145 |
| France Immigration by Country | 0 | - | 4.70 | 76,948 |
