| Category Elimination - European Geography #1 | 0 | - | 4.98 | 220,525 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 157,568 |
| Category Elimination - African Geography #1 | 0 | - | 4.91 | 87,298 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.89 | 103,323 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.95 | 91,292 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 116,177 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 305,900 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 224,504 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 214,655 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 182,718 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.86 | 125,631 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 75,426 |
| Europe Geography Decoder | 0 | - | 4.86 | 67,619 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 513,331 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,529 |
| Catholic Countries in Europe | 0 | - | 4.83 | 90,829 |
| European Geography By Letter - B #2 | 0 | - | 4.81 | 66,423 |
| Save Europeans by Guessing Countries | 0 | - | 4.85 | 196,531 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 265,525 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.49 | 68,377 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 138,210 |
| Category Elimination - Elements | 0 | - | 4.57 | 51,479 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 65,985 |
| Official European Union Languages | 0 | - | 4.98 | 229,851 |
| European Countries in their Native Language | 0 | - | 4.99 | 152,368 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 412,835 |
| Word Scramble - European Countries | 0 | - | 4.74 | 136,789 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.84 | 41,040 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 40,514 |
| 7 Deadly Sins Quiz | 0 | - | 4.87 | 379,176 |
| Category Elimination - Cities | 0 | - | 4.26 | 39,997 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 25,612 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 91,217 |
| Celtic Nations | 0 | - | 4.74 | 46,175 |
| European Geography By Letter - A | 0 | - | 4.61 | 129,471 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 108,053 |
| European Geography By Letter - C | 0 | - | 4.46 | 109,314 |
| European Geography By Letter - D | 0 | - | 4.51 | 104,061 |
| European Geography By Letter - L | 0 | - | 4.52 | 109,498 |
| European Geography By Letter - M | 0 | - | 4.53 | 118,769 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,964 |
| European Geography By Letter - N | 0 | - | 4.43 | 97,461 |
| European Geography By Letter - R | 0 | - | 4.41 | 90,648 |
| European Geography By Letter - V | 0 | - | 4.44 | 89,943 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,811 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 70,351 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,841 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,025 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 97,477 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.85 | 84,688 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 300,744 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 150,034 |
| Name a Major European City A-Z | 0 | - | 4.32 | 47,397 |
| Four Letter European Geography #1 | 0 | - | 4.49 | 25,048 |
| Four Letter European Geography #2 | 0 | - | 4.61 | 17,975 |
| Famous Germans | 0 | - | 4.42 | 40,697 |
| German Groups of Things | 0 | - | 4.46 | 37,643 |
| Germany Multiple Choice | 0 | - | 4.83 | 52,545 |
| Famous Italians by Clue | 0 | - | 4.45 | 75,872 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,403 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 329,863 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,065,246 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 86,105 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 48,063 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 107,114 |
| U.S. Citizenship Test Questions | 0 | - | 4.84 | 232,988 |
| Monarchies of Europe | 0 | - | 4.89 | 93,980 |
| Federal Subjects of Russia | 0 | - | 4.94 | 132,934 |
| States of Germany | 0 | - | 4.95 | 140,667 |
| Germany Immigration by Country | 0 | - | 4.86 | 76,771 |
| Counties of Ireland | 0 | - | 4.90 | 178,461 |
| Regions of Italy | 0 | - | 4.91 | 69,370 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 35,677 |
| Regions of Spain Quiz | 0 | - | 4.89 | 106,166 |
| Cantons of Switzerland | 0 | - | 4.97 | 46,316 |
| Name a Valid English City | 0 | - | 4.19 | 16,214 |
| Champions League Winners | 0 | - | 4.92 | 959,111 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 64,445 |
| Monarchies of Asia | 0 | - | 4.96 | 68,655 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 45,525 |
| Divided World City Name Puzzle #2 | 0 | - | 4.82 | 34,283 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 126,450 |
| Random Name a Valid Country | 0 | - | 4.99 | 196,011 |
| Name a Valid Island Country | 0 | - | 4.96 | 110,363 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,738 |
| States of the German Confederation in 1848 | 0 | - | 4.86 | 29,796 |
| United Kingdom A-Z | 0 | - | 4.53 | 85,266 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,811 |
| Name a Valid African Country | 0 | - | 4.98 | 135,213 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 88,173 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 728,215 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.95 | 167,957 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 71,001 |
| European Geography By Letter - E | 0 | - | 4.22 | 109,713 |
| European Geography By Letter - F | 0 | - | 4.18 | 89,274 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,985 |
| European Geography By Letter - G | 0 | - | 4.25 | 98,994 |
| European Geography By Letter - I | 0 | - | 4.11 | 92,477 |
| European Geography By Letter - K | 0 | - | 4.15 | 67,310 |
| European Geography By Letter - O | 0 | - | 4.29 | 60,288 |
| European Geography by Letter - W | 0 | - | 4.21 | 80,964 |
| European Geography By Letter - T | 0 | - | 4.40 | 73,480 |
| Europe Geography Quiz #3 | 0 | - | 4.33 | 62,360 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 49,057 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 188,608 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 122,765 |
| European Geography A-Z | 0 | - | 4.31 | 47,908 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 240,212 |
| Name a Valid European Country #2 | 0 | - | 4.92 | 93,476 |
| Departments of France | 0 | - | 4.90 | 46,357 |
| Word Chain - France | 0 | - | 4.37 | 41,825 |
| The Mafia Quiz | 0 | - | 4.46 | 22,729 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,444 |
| History of The Netherlands | 0 | - | 4.45 | 16,747 |
| British Groups of Things | 0 | - | 4.25 | 82,110 |
| British Acronyms | 0 | - | 4.39 | 44,940 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,551 |
| British Monopoly Board | 0 | - | 4.51 | 40,492 |
| English Monarchs Quiz | 0 | - | 4.91 | 480,209 |
| England or Wales? | 0 | - | 4.94 | 43,707 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 122,614 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 120,628 |
| Name a Valid Asian Country | 0 | - | 4.98 | 116,112 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 313,411 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.41 | 309,485 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.89 | 74,061 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 184,593 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,579 |
| Top 20 Football Clubs in Europe | 0 | - | 4.47 | 106,139 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 62,095 |
| Slavic Languages | 0 | - | 4.65 | 52,285 |
| French Geography Quiz #1 | 0 | - | 4.88 | 33,403 |
| France A-Z | 0 | - | 4.16 | 37,424 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 620,000 |
| Capitals of Italian Regions | 0 | - | 4.61 | 35,770 |
| Spanish Immigration by Country | 0 | - | 4.63 | 54,353 |
| Fictional Characters from Great Britain | 0 | - | 4.11 | 31,832 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 85,365 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.43 | 264,561 |
| Star Wars Quotes | 0 | - | 4.83 | 167,854 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 105,624 |
| Name a World Capital A-Z | 0 | - | 5.00 | 169,937 |
| Name a Country A-Z | 0 | - | 5.00 | 228,800 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.91 | 44,822 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 96,213 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 259,976 |
| Top 10 Coldest U.S. States | 0 | - | 4.93 | 119,387 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 120,123 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.81 | 60,049 |
| Top European Languages on a Map | 0 | - | 4.78 | 127,062 |
| Word Chain - Russia | 0 | - | 4.36 | 15,422 |
| Russia Multiple Choice | 0 | - | 4.57 | 39,809 |
| Famous French People | 0 | - | 4.14 | 24,754 |
| Word Chain - Germany | 0 | - | 4.32 | 22,070 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,316 |
| The Trojan War | 0 | - | 4.81 | 38,116 |
| Name that Greek Letter | 0 | - | 4.93 | 313,025 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.84 | 104,209 |
| Famous Irish People | 0 | - | 4.05 | 45,253 |
| Word Chain - Italy | 0 | - | 4.07 | 22,773 |
| Italy Multiple Choice | 0 | - | 4.74 | 100,352 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 75,583 |
| Roman Emperors | 0 | - | 4.96 | 110,725 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,755 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 14,902 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,230 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,371 |
| Word Chain - United Kingdom | 0 | - | 4.06 | 28,916 |
| The British Royal Family - Modern Times | 0 | - | 4.15 | 21,213 |
| People on Money - England | 0 | - | 4.28 | 16,371 |
| English Monarchs in Order by First Letter | 0 | - | 4.36 | 29,206 |
| London A-Z | 0 | - | 4.10 | 40,023 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.88 | 50,190 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 270,240 |
| Famous Lines of Poetry #1 | 0 | - | 4.54 | 33,420 |
| Famous People from Africa | 0 | - | 4.45 | 10,667 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,279 |
| Word Chain - Africa | 0 | - | 4.48 | 30,942 |
| Major non-NATO U.S. Allies | 0 | - | 4.50 | 49,768 |
| Countries Closest to United States A-Z | 0 | - | 4.83 | 113,783 |
| Europe Map Quiz | 0 | - | 5.00 | 4,595,712 |
| European Secessionist Movements on a Map | 0 | - | 4.52 | 33,718 |
| Capitals of French Regions | 0 | - | 4.42 | 15,606 |
| Regions of France | 0 | - | 4.74 | 113,002 |
| France Immigration by Country | 0 | - | 4.77 | 73,910 |
| Kings of France Quiz | 0 | - | 4.20 | 31,842 |
| Capitals of German States | 0 | - | 4.72 | 28,312 |
| Chancellors of Germany, 1949–present | 0 | - | 4.57 | 22,252 |
| Germany True or False? | 0 | - | 4.63 | 47,236 |
| Largest Islands of Greece | 0 | - | 4.59 | 45,120 |
| Olympian Gods Quiz | 0 | - | 4.96 | 473,920 |
| Ancient Greek Words | 0 | - | 4.92 | 106,455 |
| Provinces of the Netherlands | 0 | - | 4.76 | 37,986 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 98,844 |
| Beatles Songs Quiz | 0 | - | 4.96 | 225,319 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 284,804 |
| Famous Scottish People | 0 | - | 4.20 | 17,983 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 69,737 |
| Asian Geography by Letter - H | 0 | - | 4.48 | 64,214 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 60,260 |
