| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,018 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,337 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,702 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,404 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,898 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,732 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,524 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,382 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,432 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,139 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,825 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,083 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,209 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,627 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,465 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,518 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,580 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,196 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,803 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,073 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,321 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 145,043 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,964 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,545 |
| Official European Union Languages | 0 | - | 4.97 | 239,384 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,413 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,075 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,133 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,988 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,545 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,182 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,329 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,267 |
| Celtic Nations | 0 | - | 4.61 | 47,058 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,612 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 120,975 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,424 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,987 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,663 |
| European Geography By Letter - M | 0 | - | 4.69 | 131,986 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,809 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,331 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,547 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,232 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,442 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,096 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,394 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,362 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,166 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,866 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,066 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,767 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,751 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,404 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,629 |
| Famous Germans | 0 | - | 4.50 | 55,650 |
| German Groups of Things | 0 | - | 4.47 | 38,585 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,603 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,326 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,039 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,376 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,904 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,100,838 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,340 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,485 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,564 |
| Monarchies of Europe | 0 | - | 4.90 | 98,600 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,779 |
| States of Germany | 0 | - | 4.95 | 153,906 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,502 |
| Regions of Italy | 0 | - | 4.92 | 76,631 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,633 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,961 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,577 |
| Name a Valid English City | 0 | - | 4.19 | 16,783 |
| Champions League Winners | 0 | - | 4.92 | 1,012,703 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,863 |
| Monarchies of Asia | 0 | - | 4.97 | 71,369 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,159 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,490 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,144 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,313 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 342,010 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,742 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,983 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,395 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,679 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,251 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,803 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,763 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,599 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,932 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,241 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,033 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,742 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,052 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,864 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,558 |
| European Geography By Letter - I | 0 | - | 4.09 | 96,254 |
| European Geography By Letter - K | 0 | - | 4.15 | 70,897 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,312 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,383 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,822 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,676 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,576 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,525 |
| European Geography A-Z | 0 | - | 4.29 | 49,427 |
| European Geographic Groups of Four | 0 | - | 4.54 | 19,464 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,514 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,535 |
| Famous French People | 0 | - | 4.07 | 35,981 |
| Departments of France | 0 | - | 4.93 | 54,823 |
| Word Chain - France | 0 | - | 4.38 | 42,895 |
| The Mafia Quiz | 0 | - | 4.46 | 23,407 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,693 |
| History of The Netherlands | 0 | - | 4.46 | 17,523 |
| British Groups of Things | 0 | - | 4.25 | 82,968 |
| British Acronyms | 0 | - | 4.40 | 45,898 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,083 |
| British Monopoly Board | 0 | - | 4.52 | 41,231 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,051 |
| Name the English Monarchs | 0 | - | 4.91 | 505,217 |
| England or Wales? | 0 | - | 4.94 | 45,880 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,557 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,616 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,510 |
| Name a Valid African Country | 0 | - | 4.98 | 154,729 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,854 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,547 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,699 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,216 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,764 |
| Slavic Languages | 0 | - | 4.68 | 54,593 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,001 |
| France A-Z | 0 | - | 4.16 | 38,305 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,483 |
| Name that Greek Letter | 0 | - | 4.93 | 324,609 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,701 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,584 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,069 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,171 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,333 |
| Word Chain - Africa | 0 | - | 4.47 | 31,683 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,707 |
| Star Wars Quotes | 0 | - | 4.86 | 185,599 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,043 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,751 |
| Name a Country A-Z | 0 | - | 5.00 | 244,931 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,826 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,555 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,665 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,285 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,126 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,605 |
| History of Russia Quiz | 0 | - | 4.47 | 31,980 |
| Word Chain - Russia | 0 | - | 4.33 | 15,780 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,829 |
| Russian History A-Z | 0 | - | 4.35 | 32,053 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,559 |
| Word Chain - Germany | 0 | - | 4.31 | 22,656 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,208 |
| The Trojan War | 0 | - | 4.83 | 39,924 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,636 |
| Famous Irish People | 0 | - | 4.05 | 46,048 |
| History of Italy | 0 | - | 4.55 | 32,105 |
| Word Chain - Italy | 0 | - | 4.07 | 23,204 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,173 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,454 |
| Roman Emperors | 0 | - | 4.95 | 120,835 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,774 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,462 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,627 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,372 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,381 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,562 |
| People on Money - England | 0 | - | 4.29 | 16,634 |
| British Geography A-Z | 0 | - | 4.42 | 19,587 |
| London A-Z | 0 | - | 4.10 | 40,850 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,634 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,247 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,007 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,313 |
| Name a Valid Answer - NBA | 0 | - | 4.41 | 83,382 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,394 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,532 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,607 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,124 |
| Capitals of French Regions | 0 | - | 4.45 | 16,151 |
| Regions of France | 0 | - | 4.70 | 121,689 |
| France Immigration by Country | 0 | - | 4.70 | 76,818 |
| Kings of France Quiz | 0 | - | 4.20 | 32,868 |
| Capitals of German States | 0 | - | 4.74 | 29,032 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,476 |
| Germany True or False? | 0 | - | 4.61 | 48,957 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,303 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,862 |
| Ancient Greek Words | 0 | - | 4.93 | 112,206 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,619 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,627 |
