| African Countries with the Most Christians | 0 | - | 4.94 | 75,633 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,270 |
| Countries Closest to Israel | 0 | - | 4.69 | 106,185 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,828 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,721 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,233 |
| Hindu Countries | 0 | - | 4.86 | 50,177 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,058 |
| Israel Country Quiz | 0 | - | 3.84 | 75,016 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,466 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,430 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,970 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,531 |
| States of India | 0 | - | 4.95 | 193,490 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,923 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,631 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,467 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,531 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,669 |
| Provinces of Turkey | 0 | - | 4.95 | 204,293 |
| Provinces of China | 0 | - | 4.97 | 204,673 |
| Japanese Prefectures | 0 | - | 4.98 | 137,057 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,297 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,773 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,833 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,210 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,567 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,586 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,309 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,501 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,790 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,380 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,554 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,887 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,333 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,854 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,766 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,952 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,660 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,180 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,824 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,337 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,869 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,266 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,685 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,537 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,165 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,292 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,904 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,601 |
| Asian Physical Geography | 0 | - | 4.61 | 35,533 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,103 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,559 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,794 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,966 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,120 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,696 |
| Countries of the Indian Diaspora | 0 | - | 4.45 | 59,294 |
| History of India | 0 | - | 4.62 | 21,432 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,271 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,974 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,822 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,218 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,442 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,616 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,626 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,762 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,311 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,673 |
| Asian Islands | 0 | - | 4.49 | 20,844 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,148 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,715 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,426 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,931 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,384 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,513 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,566 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,255 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,086 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,046 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,900 |
| A Quiz About Islam | 0 | - | 4.31 | 48,451 |
| Middle East A-Z | 0 | - | 4.47 | 46,030 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,865 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,043 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,056 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,659 |
| Dynasties of China | 0 | - | 4.64 | 27,931 |
| History of China | 0 | - | 4.37 | 57,213 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,418 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,266 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,110 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,783 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,789 |
| Countries of Africa | 0 | - | 5.00 | 2,538,218 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,437 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,870 |
| African East Coast | 0 | - | 4.96 | 96,100 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,922 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,600 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,739 |
| Australian Capitals | 0 | - | 4.92 | 62,729 |
| Australia A-Z | 0 | - | 4.54 | 49,988 |
| Australia Map Quiz | 0 | - | 4.95 | 344,695 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,954 |
| United States Map Quiz | 0 | - | 4.98 | 4,159,053 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,990 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,540 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,552 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,350 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,664 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,120 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,164 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,561 |
| Official European Union Languages | 0 | - | 4.97 | 238,572 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,902 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,002 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,324 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,317 |
| The Only European Country ... | 0 | - | 4.91 | 216,756 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,205 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,181 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,851 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,093 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,935 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,214 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,792 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,737 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,242 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,461 |
| Asia Map Quiz | 0 | - | 4.99 | 917,203 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,507 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,779 |
| Word Chain - Asia | 0 | - | 4.34 | 29,338 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,019 |
| Top 10 Richest Countries in Asia | 0 | - | 4.74 | 105,714 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,731 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,219 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,565 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,581 |
| History of Egypt | 0 | - | 4.58 | 24,033 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,924 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,764 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,578 |
| Chinese Inventions | 0 | - | 4.30 | 33,802 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,396 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,387 |
| Japanese Companies | 0 | - | 4.28 | 34,233 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,941 |
| Japanese Loanwords | 0 | - | 4.47 | 84,649 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,714 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,791 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,353 |
| The Life of Gandhi | 0 | - | 4.37 | 13,057 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,992 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,615 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,345 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,046 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,618 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,286 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,297 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,792 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,571 |
| The Only African Country ... | 0 | - | 4.99 | 129,127 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,139 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,119 |
| African Island Countries | 0 | - | 4.96 | 101,666 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,472 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,890 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,235 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 57,556 |
| Biggest Trading Partners - South Africa | 0 | - | 4.74 | 40,291 |
| Flags of Oceania | 0 | - | 5.00 | 259,581 |
| Australian States and Territories | 0 | - | 4.96 | 142,032 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,458 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,298 |
| Australia True or False | 0 | - | 4.87 | 56,875 |
| Flags of North and South America | 0 | - | 4.99 | 373,272 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,626 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,253 |
| The Only American Country ... | 0 | - | 4.92 | 121,643 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,144 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,823 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,099 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,441 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,656 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,013 |
| North America Map Quiz | 0 | - | 4.98 | 248,635 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,694 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,210 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,499 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,504 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,748 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,492 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 49,248 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,667 |
| Arms Exports - United States | 0 | - | 4.77 | 62,430 |
| The American Revolution | 0 | - | 4.52 | 54,261 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,105 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,955 |
