| European Countries by First 2 Letters | 0 | - | 4.95 | 530,932 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,520 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,400 |
| Official European Union Languages | 0 | - | 4.97 | 239,080 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,236 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,506 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,069 |
| Asia Map Quiz | 0 | - | 4.99 | 920,608 |
| England or Wales? | 0 | - | 4.94 | 45,827 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,150 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,939 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,436 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,286 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,444 |
| Celtic Nations | 0 | - | 4.69 | 47,011 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,794 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,056 |
| Australia True or False | 0 | - | 4.87 | 56,994 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,714 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,674 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,823 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,249 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,772 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,720 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,479 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,114 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,441 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,326 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,346 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,891 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,732 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,950 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,240 |
| Countries of the Middle East | 0 | - | 4.96 | 201,865 |
| Germany True or False? | 0 | - | 4.61 | 48,919 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,762 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,216 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,470 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,630 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,471 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,271 |
| France Multiple Choice | 0 | - | 4.39 | 40,783 |
| States of Germany | 0 | - | 4.95 | 153,543 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,359 |
| Regions of Italy | 0 | - | 4.92 | 76,414 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,513 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,643 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,478 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,771 |
| Champions League Winners | 0 | - | 4.92 | 1,010,856 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,770 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,359 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,656 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,468 |
| Monarchies of Asia | 0 | - | 4.97 | 71,291 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,076 |
| Provinces of Turkey | 0 | - | 4.94 | 204,918 |
| Provinces of China | 0 | - | 4.97 | 206,053 |
| Japanese Prefectures | 0 | - | 4.98 | 137,997 |
| States of India | 0 | - | 4.95 | 194,565 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,668 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,678 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,954 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,825 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,514 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,682 |
| Slavic Languages | 0 | - | 4.68 | 54,514 |
| Departments of France | 0 | - | 4.93 | 54,605 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,682 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,637 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,531 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,216 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,650 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,546 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,585 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,348 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,964 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,001 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,545 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,660 |
| Syria Country Quiz | 0 | - | 4.80 | 32,915 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,939 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,486 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,770 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,547 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,028 |
| Japan Country Quiz | 0 | - | 4.93 | 142,860 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,073 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,165 |
| States of India Map Quiz | 0 | - | 4.83 | 26,665 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,386 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,847 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,690 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,906 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,923 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,547 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,725 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,810 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,630 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,600 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 132,986 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,816 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,776 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,182 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,946 |
| Countries that Border China | 0 | - | 4.96 | 263,682 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,615 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,317 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,889 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,510 |
| Countries Bordering India | 0 | - | 4.98 | 163,614 |
| Countries Closest to India | 0 | - | 4.97 | 102,993 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,750 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,483 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,445 |
| History of Russia Quiz | 0 | - | 4.47 | 31,970 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,602 |
| Name that Greek Letter | 0 | - | 4.93 | 324,329 |
| History of Italy | 0 | - | 4.55 | 32,084 |
| Byzantine History | 0 | - | 4.91 | 28,940 |
| Byzantine Emperors | 0 | - | 4.92 | 14,414 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,745 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,323 |
| Asian Physical Geography | 0 | - | 4.61 | 35,571 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,151 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 71,326 |
| Asian Island Nations | 0 | - | 4.63 | 94,334 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,947 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,298 |
| Arab Spring Countries | 0 | - | 4.51 | 44,124 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,608 |
| Oman Country Quiz | 0 | - | 4.86 | 26,989 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,991 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,758 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,277 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,385 |
| Capitals of French Regions | 0 | - | 4.45 | 16,123 |
| Capitals of German States | 0 | - | 4.74 | 29,004 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,418 |
| The Trojan War | 0 | - | 4.83 | 39,845 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,399 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,986 |
| Roman Emperors | 0 | - | 4.95 | 120,534 |
| Asian Islands | 0 | - | 4.49 | 20,871 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,053 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,703 |
| Countries that Beat China | 0 | - | 4.85 | 116,237 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,663 |
| Hindu Countries | 0 | - | 4.86 | 50,346 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,766 |
| Australian Capitals | 0 | - | 4.92 | 62,776 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,096 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,498 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,882 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,436 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,105 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,482 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,283 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,099 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,351 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,938 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,389 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,044 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,344 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,319 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,964 |
| Regions of France | 0 | - | 4.70 | 121,411 |
| France Immigration by Country | 0 | - | 4.70 | 76,717 |
| Famous Germans | 0 | - | 4.50 | 55,567 |
| German Groups of Things | 0 | - | 4.46 | 38,551 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,195 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,243 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,904 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,541 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,365 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,508 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,301 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,874 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,526 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,036 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,499 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,578 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,636 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,308 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,365 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,133 |
| The Only Asian Country ... | 0 | - | 4.69 | 122,607 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,864 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,158 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,078 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,140 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,893 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,250 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,565 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,490 |
| India Cities Map Quiz | 0 | - | 4.67 | 61,246 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 59,591 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,262 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,041 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,035 |