| English Words of Arabic Origin | 0 | - | 4.54 | 49,715 |
| Japanese Loanwords | 0 | - | 4.47 | 84,547 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,554 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,824 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,473 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,015 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,215 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,915 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,416 |
| Provinces of the Philippines | 0 | - | 4.56 | 49,390 |
| States of India | 0 | - | 4.94 | 192,398 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,042 |
| German Loan Words | 0 | - | 4.27 | 135,708 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,358 |
| Provinces of Turkey | 0 | - | 4.95 | 203,490 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,891 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,269 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,941 |
| Vietnam Country Quiz | 0 | - | 4.74 | 63,399 |
| Provinces of China | 0 | - | 4.97 | 203,197 |
| Japanese Prefectures | 0 | - | 4.98 | 136,254 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 100,075 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,940 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,831 |
| Name that Greek Letter | 0 | - | 4.93 | 322,990 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,481 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,511 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,376 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,400 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,877 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,429 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,664 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,689 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,666 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,886 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,597 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,533 |
| Ancient Greek Words | 0 | - | 4.93 | 111,288 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,368 |
| Asian Physical Geography | 0 | - | 4.60 | 35,472 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,042 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,526 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,639 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,643 |
| Countries of the Indian Diaspora | 0 | - | 4.49 | 58,614 |
| History of India | 0 | - | 4.61 | 21,385 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,782 |
| Native American Words | 0 | - | 4.26 | 24,748 |
| Europe Map Quiz | 0 | - | 5.00 | 4,753,633 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,606 |
| American to British Word Translation | 0 | - | 4.14 | 138,680 |
| Asian Islands | 0 | - | 4.49 | 20,813 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,044 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,599 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,337 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,803 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,272 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,461 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,484 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,216 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,019 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,919 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,718 |
| A Quiz About Islam | 0 | - | 4.31 | 48,379 |
| Middle East A-Z | 0 | - | 4.47 | 45,965 |
| Countries That Don't Recognize Israel | 0 | - | 4.67 | 34,729 |
| Singapore Country Quiz | 0 | - | 4.74 | 45,314 |
| Philippines Country Quiz | 0 | - | 4.56 | 75,317 |
| Thailand Country Quiz | 0 | - | 4.53 | 53,146 |
| Indonesia Country Quiz | 0 | - | 4.78 | 74,992 |
| Malaysia Country Quiz | 0 | - | 4.59 | 39,115 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,459 |
| Dynasties of China | 0 | - | 4.64 | 27,812 |
| History of China | 0 | - | 4.37 | 57,014 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,330 |
| Sushi Translation | 0 | - | 4.08 | 13,933 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,922 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,262 |
| Mythical Creatures #2 | 0 | - | 4.05 | 111,532 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,368 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,580 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,734 |
| Countries of Africa | 0 | - | 5.00 | 2,528,506 |
| Africa Map Quiz | 0 | - | 5.00 | 2,113,957 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,523 |
| African East Coast | 0 | - | 4.96 | 95,752 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,566 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,132 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,417 |
| Australian Capitals | 0 | - | 4.92 | 62,689 |
| Australia Map Quiz | 0 | - | 4.95 | 343,707 |
| United States Map Quiz | 0 | - | 4.98 | 4,152,614 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,599 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,807 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,613 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,548 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,394 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,970 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,817 |
| Official European Union Languages | 0 | - | 4.97 | 238,024 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,562 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,856 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,712 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,317 |
| The Only European Country ... | 0 | - | 4.91 | 215,834 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,660 |
| 15 Most Populous Countries that Speak a Germanic Language | 0 | - | 4.39 | 82,487 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,738 |
| British Spellings | 0 | - | 4.06 | 99,395 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,036 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,858 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 51,144 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,698 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,657 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,160 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,171 |
| Asia Map Quiz | 0 | - | 4.99 | 913,936 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,492 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,697 |
| Word Chain - Asia | 0 | - | 4.34 | 29,296 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,553 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,642 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,542 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,539 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,540 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,095 |
| History of Egypt | 0 | - | 4.58 | 24,004 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,853 |
| Laos Country Quiz | 0 | - | 4.54 | 26,715 |
| East Timor Country Quiz | 0 | - | 4.48 | 22,668 |
| Myanmar Country Quiz | 0 | - | 4.55 | 30,679 |
| Cambodia Country Quiz | 0 | - | 4.58 | 28,810 |
| Chinese Inventions | 0 | - | 4.30 | 33,777 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,368 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,333 |
| Japanese Companies | 0 | - | 4.28 | 34,181 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,906 |
| Elemental Words | 0 | - | 4.96 | 52,203 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,481 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,680 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,345 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,515 |
| First Name Vocabulary #2 | 0 | - | 3.97 | 36,728 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,731 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,434 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,659 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,262 |
| The Life of Gandhi | 0 | - | 4.37 | 13,041 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,842 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,762 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,257 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,571 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,336 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,937 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,015 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,596 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,086 |
| The Only African Country ... | 0 | - | 4.98 | 128,880 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,037 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,570 |
| African Island Countries | 0 | - | 4.96 | 101,367 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,965 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,606 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,951 |
| Flags of Oceania | 0 | - | 5.00 | 257,900 |
| Australian States and Territories | 0 | - | 4.96 | 141,609 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,107 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,214 |
| Australian Slang | 0 | - | 4.24 | 28,588 |
| Australia True or False | 0 | - | 4.87 | 56,747 |
| Flags of North and South America | 0 | - | 4.99 | 371,583 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,491 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,040 |
| The Only American Country ... | 0 | - | 4.92 | 121,361 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,883 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,221 |
| South America Map Quiz | 0 | - | 5.00 | 1,546,836 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,363 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,912 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,673 |
| North America Map Quiz | 0 | - | 4.98 | 247,433 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,509 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,775 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,335 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,107 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,623 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,307 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,685 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,787 |
| US States Quiz | 0 | - | 5.00 | 16,822,238 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,718 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,966 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,892 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,010 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,894 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,769 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,352 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,017 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,664 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,369 |
