| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,111 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,187 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,127 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,543 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,791 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,242 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,332 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,329 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,158 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,694 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,782 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,164 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,251 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,304 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,329 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,442 |
| States of India | 0 | - | 4.94 | 190,102 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,006 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,351 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,004 |
| Provinces of Turkey | 0 | - | 4.95 | 201,060 |
| Provinces of China | 0 | - | 4.97 | 200,167 |
| Japanese Prefectures | 0 | - | 4.98 | 134,619 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,448 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,457 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,229 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,364 |
| Singapore Country Quiz | 0 | - | 4.74 | 45,062 |
| Largest Indonesian Islands | 0 | - | 4.75 | 49,676 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,184 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,568 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,234 |
| British Groups of Things | 0 | - | 4.25 | 82,673 |
| Word Chain - Asia | 0 | - | 4.34 | 29,221 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,314 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,809 |
| Largest Philippines Islands | 0 | - | 4.63 | 24,377 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,381 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,995 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,163 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,268 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,972 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,513 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,088 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,761 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,455 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,546 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,190 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,807 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,260 |
| Asian Physical Geography | 0 | - | 4.61 | 35,370 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,928 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,425 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,286 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,532 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,929 |
| Famous People from Africa | 0 | - | 4.45 | 10,858 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,809 |
| Word Chain - Africa | 0 | - | 4.47 | 31,442 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,870 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,450 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,642 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,993 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,620 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,947 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,988 |
| Asian Islands | 0 | - | 4.49 | 20,765 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,833 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,397 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,167 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,568 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,079 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,907 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,719 |
| Middle East A-Z | 0 | - | 4.47 | 45,789 |
| Dynasties of China | 0 | - | 4.63 | 27,617 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,176 |
| Things that Have Been Banned in China | 0 | - | 4.31 | 57,955 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 65,886 |
| History of India | 0 | - | 4.61 | 21,286 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,455 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,365 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Word Chain - Australia | 0 | - | 4.37 | 38,014 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,585 |
| Official European Union Languages | 0 | - | 4.97 | 236,600 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,708 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,227 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,540 |
| Asia Map Quiz | 0 | - | 4.99 | 907,106 |
| A Quiz About Islam | 0 | - | 4.31 | 48,209 |
| Word Chain - The Middle East | 0 | - | 4.00 | 14,975 |
| History of Iran | 0 | - | 4.65 | 16,272 |
| Countries That Don't Recognize Israel | 0 | - | 4.63 | 34,449 |
| Philippines Country Quiz | 0 | - | 4.56 | 74,892 |
| Thailand Country Quiz | 0 | - | 4.53 | 52,861 |
| Indonesia Country Quiz | 0 | - | 4.78 | 74,563 |
| Malaysia Country Quiz | 0 | - | 4.59 | 38,902 |
| Vietnam Country Quiz | 0 | - | 4.74 | 63,041 |
| Chinese Zodiac Quiz | 0 | - | 4.80 | 138,964 |
| History of China | 0 | - | 4.37 | 56,695 |
| Sushi Translation | 0 | - | 4.08 | 13,901 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,559 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,588,240 |
| Famous Duos #2 | 0 | - | 4.21 | 116,573 |
| Famous Duos Quiz #1 | 0 | - | 4.15 | 83,788 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,297 |
| Countries of Africa | 0 | - | 5.00 | 2,508,134 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,822 |
| African East Coast | 0 | - | 4.96 | 95,058 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,932 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,980 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,808 |
| Australia Map Quiz | 0 | - | 4.94 | 342,508 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,614 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,198 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,471 |
| Word Chain - South America | 0 | - | 4.51 | 23,766 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,014 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,225 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,165 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,214 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,010 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,322 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,399 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,574 |
| The Only European Country ... | 0 | - | 4.91 | 213,862 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,554 |
| Word Chain - France | 0 | - | 4.38 | 42,584 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,569 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,950 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,923 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,704 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,996 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,519 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,501 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,017 |
| South Asian Cities by Map | 0 | - | 4.33 | 23,432 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,513 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,480 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,500 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,450 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,965 |
| Countries that Have Controlled Mesopotamia | 0 | - | 4.15 | 15,493 |
| Ottoman Empire Quiz | 0 | - | 4.42 | 17,026 |
| Emirates of the United Arab Emirates | 0 | - | 4.53 | 18,724 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,608 |
| Chinese Inventions | 0 | - | 4.30 | 33,723 |
| Cities of the Pearl River Delta | 0 | - | 4.62 | 15,307 |
| Chinese Geography on the Map | 0 | - | 4.56 | 24,193 |
| Japanese Companies | 0 | - | 4.28 | 34,085 |
| Four Main Islands of Japan | 0 | - | 4.52 | 26,777 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,088,097 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,183 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,130 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,241 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,974 |
| MLB Baseball Groups of Things | 0 | - | 4.08 | 18,474 |
| Countries with Four Letters | 0 | - | 4.99 | 418,548 |
| Random Symbol to Element | 0 | - | 4.88 | 92,224 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,061 |
| Random Country to Capital | 0 | - | 4.98 | 911,664 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,855 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,201 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,423 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,074 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,650 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,436 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,451 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,637 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,584 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,283 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,124 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,476 |
| African Island Countries | 0 | - | 4.96 | 100,796 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,669 |
| Australian States and Territories | 0 | - | 4.96 | 140,914 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,021 |
| Australia True or False | 0 | - | 4.87 | 56,510 |
| Flags of North and South America | 0 | - | 4.99 | 367,300 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,159 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,170 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,240 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,287 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,783 |
| North America Map Quiz | 0 | - | 4.98 | 244,489 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,380 |
| California Groups of Things | 0 | - | 4.25 | 45,270 |
| New York Groups of Things | 0 | - | 4.38 | 59,943 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,243 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,955 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,999 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,621 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,500 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,841 |
| Celtic Nations | 0 | - | 4.69 | 46,812 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,862 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,721 |
