| African Countries with the Most Christians | 0 | - | 4.94 | 75,657 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,311 |
| Countries Closest to Israel | 0 | - | 4.69 | 106,209 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,834 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,732 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,345 |
| Hindu Countries | 0 | - | 4.86 | 50,206 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,092 |
| Israel Country Quiz | 0 | - | 3.84 | 75,036 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,513 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,501 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,992 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,549 |
| States of India | 0 | - | 4.95 | 193,625 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,938 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,665 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,540 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,540 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,864 |
| Provinces of Turkey | 0 | - | 4.95 | 204,365 |
| Provinces of China | 0 | - | 4.97 | 204,863 |
| Japanese Prefectures | 0 | - | 4.98 | 137,200 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,324 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,824 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,862 |
| Prime Ministers of the UK | 0 | - | 4.95 | 439,383 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,583 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,614 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,320 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,528 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,804 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,420 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,568 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,921 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,476 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,878 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,794 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,956 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,670 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,218 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,827 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,353 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,955 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,329 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,858 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,578 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,186 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,319 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,945 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,804 |
| Asian Physical Geography | 0 | - | 4.61 | 35,542 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,104 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,561 |
| Asia's Busiest Airports | 0 | - | 4.69 | 52,807 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,972 |
| Israel Immigration by Country | 0 | - | 4.29 | 36,134 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,705 |
| Countries of the Indian Diaspora | 0 | - | 4.45 | 59,340 |
| History of India | 0 | - | 4.62 | 21,438 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,348 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,982 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,847 |
| Europe Map Quiz | 0 | - | 5.00 | 4,765,597 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,516 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,674 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,666 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,783 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,324 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,682 |
| Asian Islands | 0 | - | 4.49 | 20,847 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,162 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,733 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,435 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,943 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,392 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,520 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,571 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,262 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,093 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,059 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,923 |
| A Quiz About Islam | 0 | - | 4.31 | 48,462 |
| Middle East A-Z | 0 | - | 4.47 | 46,036 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,888 |
| Provinces of the Philippines | 0 | - | 4.56 | 50,093 |
| Largest Indonesian Islands | 0 | - | 4.75 | 50,069 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 139,679 |
| Dynasties of China | 0 | - | 4.64 | 27,939 |
| History of China | 0 | - | 4.37 | 57,235 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,429 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,286 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,132 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,815 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,795 |
| Countries of Africa | 0 | - | 5.00 | 2,539,730 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,083 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,910 |
| African East Coast | 0 | - | 4.96 | 96,125 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,981 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,880 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,788 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Australia A-Z | 0 | - | 4.54 | 49,995 |
| Australia Map Quiz | 0 | - | 4.95 | 344,782 |
| Prime Ministers of Australia | 0 | - | 4.50 | 31,961 |
| United States Map Quiz | 0 | - | 4.98 | 4,160,456 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,001 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,542 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,563 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,437 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,682 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,207 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,199 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,640 |
| Official European Union Languages | 0 | - | 4.97 | 238,641 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,948 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,019 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,385 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,433 |
| The Only European Country ... | 0 | - | 4.91 | 216,895 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,287 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,206 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,862 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,100 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,945 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,229 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,807 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,746 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,253 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,720 |
| Asia Map Quiz | 0 | - | 4.99 | 917,587 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,513 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,795 |
| Word Chain - Asia | 0 | - | 4.34 | 29,340 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,066 |
| Top 10 Richest Countries in Asia | 0 | - | 4.74 | 105,742 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,747 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,743 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,568 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,586 |
| History of Egypt | 0 | - | 4.58 | 24,035 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,927 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,771 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,582 |
| Chinese Inventions | 0 | - | 4.30 | 33,809 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,407 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,395 |
| Japanese Companies | 0 | - | 4.28 | 34,235 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,943 |
| Japanese Loanwords | 0 | - | 4.47 | 84,659 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,740 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,809 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,367 |
| The Life of Gandhi | 0 | - | 4.37 | 13,057 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,010 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,911 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,354 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,104 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,646 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,320 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,326 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,814 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,628 |
| The Only African Country ... | 0 | - | 4.99 | 129,164 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,152 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,175 |
| African Island Countries | 0 | - | 4.96 | 101,709 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,544 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,921 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,260 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 57,816 |
| Biggest Trading Partners - South Africa | 0 | - | 4.74 | 40,302 |
| Flags of Oceania | 0 | - | 5.00 | 259,736 |
| Australian States and Territories | 0 | - | 4.96 | 142,086 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,511 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,311 |
| Australia True or False | 0 | - | 4.87 | 56,894 |
| Flags of North and South America | 0 | - | 4.99 | 373,521 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,647 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,280 |
| The Only American Country ... | 0 | - | 4.92 | 121,680 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,175 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,902 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,414 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,552 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,115 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,047 |
| North America Map Quiz | 0 | - | 4.98 | 248,800 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,730 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,250 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,525 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,550 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,758 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,520 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 50,830 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,677 |
| Arms Exports - United States | 0 | - | 4.77 | 62,453 |
| The American Revolution | 0 | - | 4.52 | 54,264 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,197 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,974 |
