| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,063 |
| Word Scramble - Asian Countries | 0 | - | 4.48 | 109,399 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,997 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,393 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,175 |
| German Groups of Things | 0 | - | 4.47 | 38,677 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,693 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,775 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,388 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,245 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,925 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,815 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,824 |
| Provinces of the Philippines | 0 | - | 4.52 | 51,233 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,538 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,350 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,714 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,791 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,119 |
| Provinces of Turkey | 0 | - | 4.95 | 206,348 |
| Provinces of China | 0 | - | 4.97 | 208,996 |
| Japanese Prefectures | 0 | - | 4.98 | 139,445 |
| States of India | 0 | - | 4.94 | 196,563 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,627 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,925 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,842 |
| Singapore Country Quiz | 0 | - | 4.74 | 45,750 |
| Largest Indonesian Islands | 0 | - | 4.77 | 50,370 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,584 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,784 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,390 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,364 |
| British Groups of Things | 0 | - | 4.26 | 83,044 |
| Word Chain - Asia | 0 | - | 4.34 | 29,404 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,833 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 102,166 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,739 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,121 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,456 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,880 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,280 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 105,183 |
| Countries Closest to Vietnam | 0 | - | 4.96 | 94,479 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,278 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,109 |
| China's Territorial Disputes | 0 | - | 4.48 | 35,843 |
| Word Chain - Africa | 0 | - | 4.47 | 31,739 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,468 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,999 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,092 |
| Asian Physical Geography | 0 | - | 4.61 | 35,644 |
| East Asian Islands on the Map | 0 | - | 4.55 | 33,238 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,707 |
| Asia's Busiest Airports | 0 | - | 4.70 | 53,219 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,865 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,694 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,498 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,943 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,580 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,251 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,518 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,475 |
| Asian Islands | 0 | - | 4.49 | 20,921 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,535 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,148 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,720 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,285 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,725 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,237 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,392 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,396 |
| Middle East A-Z | 0 | - | 4.47 | 46,277 |
| Dynasties of China | 0 | - | 4.64 | 28,108 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,627 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 58,457 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 60,131 |
| Famous People from Africa | 0 | - | 4.45 | 11,015 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,115 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,721 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,496 |
| Australian Capitals | 0 | - | 4.92 | 62,864 |
| Word Chain - Australia | 0 | - | 4.38 | 38,265 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,873 |
| Official European Union Languages | 0 | - | 4.97 | 240,396 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,845 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,437 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,543 |
| Asia Map Quiz | 0 | - | 4.99 | 926,920 |
| A Quiz About Islam | 0 | - | 4.32 | 48,667 |
| Word Chain - The Middle East | 0 | - | 3.95 | 15,113 |
| History of Iran | 0 | - | 4.66 | 16,441 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,239 |
| Philippines Country Quiz | 0 | - | 4.56 | 76,047 |
| Thailand Country Quiz | 0 | - | 4.51 | 53,766 |
| Indonesia Country Quiz | 0 | - | 4.78 | 75,751 |
| Malaysia Country Quiz | 0 | - | 4.59 | 39,476 |
| Vietnam Country Quiz | 0 | - | 4.68 | 63,965 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 140,195 |
| History of China | 0 | - | 4.35 | 57,693 |
| Sushi Translation | 0 | - | 4.08 | 13,999 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,455 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,644 |
| History of India | 0 | - | 4.62 | 21,530 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,981 |
| Famous Duos #2 | 0 | - | 4.18 | 117,692 |
| Famous Duos Quiz #1 | 0 | - | 4.15 | 84,395 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,660,977 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,151 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,620 |
| Australia Map Quiz | 0 | - | 4.95 | 346,535 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,886 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,935 |
| Word Chain - South America | 0 | - | 4.51 | 24,025 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,822 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 750,412 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,395 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,999 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,283 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,630 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,951 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,527 |
| The Only European Country ... | 0 | - | 4.91 | 219,650 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,864 |
| Word Chain - France | 0 | - | 4.38 | 42,964 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,114 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,132 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,278 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,230 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,463 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,111 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,078 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,503 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,577 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,018 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,201 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,993 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,122 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,627 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 19,108 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,930 |
| Chinese Inventions | 0 | - | 4.30 | 33,876 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,463 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,522 |
| Japanese Companies | 0 | - | 4.29 | 34,399 |
| Four Main Islands of Japan | 0 | - | 4.53 | 26,997 |
| North Korea... or South Korea? | 0 | - | 4.47 | 81,045 |
| Countries of Africa | 0 | - | 5.00 | 2,565,363 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,274 |
| African East Coast | 0 | - | 4.96 | 96,937 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,827 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,247 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,128,800 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,779 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,930 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,974 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,920 |
| MLB Baseball Groups of Things | 0 | - | 4.11 | 18,632 |
| Countries with Four Letters | 0 | - | 4.99 | 426,571 |
| Random Symbol to Element | 0 | - | 4.88 | 94,226 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,575 |
| Random Country to Capital | 0 | - | 4.98 | 930,385 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,390 |
| Australian States and Territories | 0 | - | 4.96 | 143,090 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,549 |
| Australia True or False | 0 | - | 4.87 | 57,224 |
| Flags of North and South America | 0 | - | 4.99 | 378,258 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,088 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,997 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,896 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,608 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,370 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,789 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,609 |
| North America Map Quiz | 0 | - | 4.98 | 252,865 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,039 |
| California Groups of Things | 0 | - | 4.26 | 45,811 |
| New York Groups of Things | 0 | - | 4.39 | 72,393 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,633 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,194 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,470 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,677 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,252 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,773 |
| Celtic Nations | 0 | - | 4.61 | 47,130 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,362 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,805 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,562 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,322 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,918 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,150 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,224 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,583 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,928 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,776 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,394 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,929 |
| Slavic Countries | 0 | - | 4.96 | 112,525 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,758 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,514 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,504 |
