| Asian Countries with the Shortest Names | 0 | - | 4.97 | 128,255 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 99,674 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.90 | 100,643 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 88,766 |
| Name a Valid Asian Country | 0 | - | 4.98 | 113,724 |
| French Geography Quiz #1 | 0 | - | 4.87 | 32,852 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,390,858 |
| Asia Map Quiz | 0 | - | 4.99 | 845,901 |
| Countries that Beat Indonesia | 0 | - | 4.85 | 50,230 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 88,374 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,333,457 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,257,258 |
| Flags of Asia Quiz | 0 | - | 4.99 | 561,897 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 105,158 |
| Asia Geography Quiz #1 | 0 | - | 4.77 | 52,153 |
| Asia Geography Quiz #2 | 0 | - | 4.59 | 46,937 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 147,040 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 93,734 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 102,023 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 118,412 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 100,106 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 65,736 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 219,867 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.94 | 43,494 |
| Countries of the Middle East | 0 | - | 4.95 | 186,097 |
| Japanese Prefectures | 0 | - | 4.98 | 120,411 |
| Afghanistan Country Quiz | 0 | - | 4.44 | 40,490 |
| States of India | 0 | - | 4.94 | 173,047 |
| History of India | 0 | - | 4.60 | 20,408 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 47,551 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 105,533 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 141,424 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 69,215 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 64,594 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,030 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 63,728 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.88 | 98,308 |
| Pixelated Asia Map | 0 | - | 4.91 | 67,670 |
| Monarchies of Asia | 0 | - | 4.96 | 67,682 |
| History of Iran Quiz | 0 | - | 4.65 | 15,636 |
| Provinces of Turkey | 0 | - | 4.95 | 189,041 |
| Provinces of China | 0 | - | 4.97 | 176,723 |
| History of China | 0 | - | 4.38 | 53,731 |
| Japan Country Quiz | 0 | - | 4.92 | 126,785 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 73,036 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 56,480 |
| Countries Closest to Japan | 0 | - | 4.92 | 132,856 |
| Countries Bordering India | 0 | - | 4.98 | 159,352 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.64 | 53,632 |
| Countries Closest to India | 0 | - | 4.96 | 98,256 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 55,228 |
| Nepal Country Quiz | 0 | - | 4.95 | 35,363 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 85,163 |
| Name a Valid African Country | 0 | - | 4.98 | 132,006 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.95 | 165,007 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,407,102 |
| Deadliest U.S. Wars | 0 | - | 4.84 | 165,656 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,033 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 215,169 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 261,144 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 153,913 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 82,173 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 205,740 |
| Name a Valid European Country #2 | 0 | - | 4.92 | 90,524 |
| Byzantine History | 0 | - | 4.87 | 27,401 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 108,486 |
| English Monarchs Quiz | 0 | - | 4.90 | 472,320 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 31,430 |
| South China Sea Countries | 0 | - | 4.82 | 56,034 |
| Asian Last Names in the United States | 0 | - | 4.43 | 45,057 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 119,709 |
| Asian Countries with the Most Christians | 0 | - | 4.87 | 90,908 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 93,234 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.19 | 14,976 |
| Countries Closest to the Persian Gulf | 0 | - | 4.92 | 79,972 |
| Countries Bordering Iran | 0 | - | 4.83 | 91,624 |
| Countries that Border Iraq | 0 | - | 4.97 | 104,833 |
| Countries Closest to Turkey | 0 | - | 4.94 | 110,890 |
| Countries Bordering Turkey | 0 | - | 4.98 | 112,765 |
| Ottoman Empire Quiz | 0 | - | 4.43 | 16,354 |
| Geography of Egypt | 0 | - | 4.60 | 20,687 |
| Countries Bordering Saudi Arabia | 0 | - | 4.94 | 114,999 |
| Countries Closest to Yemen | 0 | - | 4.88 | 20,440 |
| Countries Closest to Cyprus | 0 | - | 4.81 | 50,098 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 74,789 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 96,692 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 90,197 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 90,324 |
| Countries Bordering Myanmar | 0 | - | 4.85 | 74,163 |
| Geography of China Quiz | 0 | - | 4.23 | 13,349 |
| China Cities Map Quiz | 0 | - | 4.90 | 93,401 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 87,895 |
| Chinese Inventions | 0 | - | 4.29 | 33,138 |
| Countries that Border China | 0 | - | 4.96 | 253,996 |
| Countries that Beat Japan | 0 | - | 4.45 | 64,931 |
| Closest Countries to North Korea | 0 | - | 4.92 | 109,073 |
| Countries that Beat North Korea | 0 | - | 4.42 | 32,751 |
| Bhutan Country Quiz | 0 | - | 4.89 | 22,771 |
| Hindu Countries | 0 | - | 4.85 | 46,028 |
| Countries that Beat the United States | 0 | - | 4.92 | 156,529 |
| American History Quotes #1 | 0 | - | 4.41 | 93,507 |
| U.S. History for Dummies | 0 | - | 4.49 | 79,011 |
| Countries that Beat Canada | 0 | - | 4.90 | 82,971 |
| Countries that Beat Russia | 0 | - | 4.83 | 76,012 |
| The Trojan War | 0 | - | 4.81 | 37,486 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 611,255 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.86 | 101,546 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 74,555 |
| Roman Emperors | 0 | - | 4.96 | 108,354 |
| Countries that Beat Portugal | 0 | - | 4.87 | 54,727 |
| Geography of the Spanish Empire | 0 | - | 4.48 | 36,121 |
| People Buried at Westminster Abbey | 0 | - | 4.67 | 13,733 |
| British History Quiz for Dummies | 0 | - | 4.55 | 64,749 |
| Prime Ministers of the UK | 0 | - | 4.95 | 408,331 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 48,888 |
| The Only Remaining Asian Country . . . | 0 | - | 4.70 | 42,531 |
| Qatar Country Quiz | 0 | - | 4.83 | 29,900 |
| History of Egypt | 0 | - | 4.58 | 23,243 |
| Egypt Country Quiz | 0 | - | 4.81 | 74,236 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 44,229 |
| Oman Country Quiz | 0 | - | 4.85 | 25,248 |
| Jordan Country Quiz | 0 | - | 4.85 | 29,674 |
| Brunei Country Quiz | 0 | - | 4.87 | 20,701 |
| Countries that Beat China | 0 | - | 4.85 | 108,701 |
| The Life of Gandhi | 0 | - | 4.37 | 12,795 |
| Countries that Beat India | 0 | - | 4.39 | 60,355 |
| Countries with the Most Hindus | 0 | - | 4.90 | 118,343 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 51,083 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 24,953 |
| American History Quotes #2 | 0 | - | 4.37 | 40,224 |
| U.S. History Groups of Two | 0 | - | 4.22 | 43,100 |
| Last Names in U.S. History #1 | 0 | - | 4.24 | 35,221 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 506,670 |
| French Geography Quiz #2 | 0 | - | 4.62 | 22,223 |
| Olympian Gods Quiz | 0 | - | 4.96 | 469,767 |
| Name that Greek Letter | 0 | - | 4.94 | 309,284 |
| Ancient Greek Words | 0 | - | 4.92 | 104,476 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,416 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,027 |
| Geography of Spain | 0 | - | 4.52 | 21,127 |
| Invasions of Great Britain | 0 | - | 4.51 | 57,581 |
| Asian Physical Geography | 0 | - | 4.59 | 34,526 |
| East Asian Islands on the Map | 0 | - | 4.53 | 31,910 |
| 10 Westernmost Countries in Asia | 0 | - | 4.68 | 68,536 |
| Asian Island Nations | 0 | - | 4.62 | 91,442 |
| Asia's Busiest Airports | 0 | - | 4.75 | 49,266 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 395,750 |
| Arab Spring Countries | 0 | - | 4.51 | 42,282 |
| Countries Surrounding Istanbul | 0 | - | 4.88 | 23,450 |
| Countries Closest to Egypt | 0 | - | 4.83 | 82,862 |
| Countries that Beat Egypt | 0 | - | 4.89 | 54,086 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.84 | 51,029 |
| India Cities Map Quiz | 0 | - | 4.62 | 58,650 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 52,582 |
| Africa Geography Quiz #2 | 0 | - | 4.58 | 31,980 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 256,495 |
| U.S. Presidents by Picture | 0 | - | 4.85 | 409,170 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 367,738 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 178,705 |
| Europe Map Quiz | 0 | - | 5.00 | 4,517,662 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,111 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 69,657 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,238 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 59,491 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 189,937 |
| German Groups of Things | 0 | - | 4.45 | 37,252 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 415,874 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,257 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 96,858 |
| Asian Islands | 0 | - | 4.45 | 20,338 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 69,183 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 63,619 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 59,783 |
| Asian Geography by Letter - P | 0 | - | 4.44 | 55,905 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 55,510 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 266,444 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.80 | 39,870 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.70 | 34,844 |
| The Only Asian Country ... | 0 | - | 4.70 | 118,352 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 53,547 |
| Random Asian City to Country | 0 | - | 4.54 | 43,628 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 40,978 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 103,559 |
| Asian Country Superlatives | 0 | - | 4.74 | 63,427 |
| Middle Eastern Geography Quiz | 0 | - | 4.43 | 21,711 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 45,160 |
| Provinces of the Philippines | 0 | - | 4.63 | 40,359 |
| The Vietnam War | 0 | - | 4.42 | 34,041 |
| Overseas Chinese Population | 0 | - | 4.54 | 41,718 |
| Inventions by Country #1 | 0 | - | 4.45 | 53,924 |
| China Multiple Choice | 0 | - | 4.50 | 36,259 |
| Japanese Companies | 0 | - | 4.30 | 33,054 |
| Four Main Islands of Japan | 0 | - | 4.52 | 25,465 |
| South Korea Country Quiz | 0 | - | 4.74 | 75,564 |
| Mongolia Country Quiz | 0 | - | 4.70 | 37,492 |
| Taiwan Country Quiz | 0 | - | 4.65 | 41,532 |
| Countries Closest to Taiwan | 0 | - | 4.75 | 77,697 |
| Bangladesh Country Quiz | 0 | - | 4.75 | 40,658 |
| Pakistan Country Quiz | 0 | - | 4.53 | 58,174 |
| India Country Quiz | 0 | - | 4.42 | 123,740 |
