| African Countries by First 2 Letters | 0 | - | 4.96 | 267,817 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,265 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,613,129 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,717 |
| African East Coast | 0 | - | 4.96 | 95,781 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,867 |
| Famous People from Africa | 0 | - | 4.45 | 10,935 |
| Word Chain - Africa | 0 | - | 4.47 | 31,579 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,353 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,601 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,007 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,629 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,931 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,514 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,903 |
| African Great Lakes | 0 | - | 4.82 | 65,996 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,159 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,593 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,470 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,514 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,236 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,679 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 974,554 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,606 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,794 |
| African Physical Geography | 0 | - | 4.51 | 31,653 |
| Africa A-Z | 0 | - | 4.57 | 46,561 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 154,691 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,340 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,674 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,549 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,288 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.73 | 38,838 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,340 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,094 |
| Australian Capitals | 0 | - | 4.92 | 62,693 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,835 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,982 |
| Official European Union Languages | 0 | - | 4.97 | 238,075 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,580 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,201 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,859 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,144 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,171 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,416 |
| German Groups of Things | 0 | - | 4.46 | 38,431 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,332 |
| Asia Map Quiz | 0 | - | 4.99 | 914,180 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,465 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,490 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,220 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 239,098 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,569 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,739 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,591 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,135 |
| Geography of South Africa | 0 | - | 4.54 | 17,216 |
| History of South Africa | 0 | - | 4.60 | 17,658 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,434 |
| Word Chain - Australia | 0 | - | 4.38 | 38,108 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,669 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,565 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,470 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,774 |
| The Only European Country ... | 0 | - | 4.91 | 215,908 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,719 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,743 |
| Word Chain - Asia | 0 | - | 4.34 | 29,297 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,589 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,998 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,694 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,118 |
| World Capitals - One Minute Sprint | 0 | - | 4.20 | 234,791 |
| Random Symbol to Element | 0 | - | 4.88 | 92,836 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,104 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,177 |
| Countries of Africa | 0 | - | 5.00 | 2,529,125 |
| Provinces of South Africa | 0 | - | 4.74 | 21,631 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,031 |
| Australia Map Quiz | 0 | - | 4.95 | 343,762 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,711 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,306 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,555 |
| Word Chain - South America | 0 | - | 4.51 | 23,868 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,331 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,109 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,886 |
| Celtic Nations | 0 | - | 4.69 | 46,905 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,600 |
| Word Chain - France | 0 | - | 4.38 | 42,733 |
| British Groups of Things | 0 | - | 4.25 | 82,829 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,012 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,658 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,097,673 |
| 7 Deadly Sins | 0 | - | 4.88 | 398,967 |
| Fast Math - Addition | 0 | - | 4.87 | 522,066 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,770 |
| Countries with Four Letters | 0 | - | 4.99 | 421,386 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,426 |
| Random Country to Capital | 0 | - | 4.98 | 917,822 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,857 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,992 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,605 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,363 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,966 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,041 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,120 |
| African Island Countries | 0 | - | 4.96 | 101,391 |
| Australian States and Territories | 0 | - | 4.96 | 141,660 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,227 |
| Australia True or False | 0 | - | 4.87 | 56,752 |
| Flags of North and South America | 0 | - | 4.99 | 371,742 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,503 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,064 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,246 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,038 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,171 |
| North America Map Quiz | 0 | - | 4.98 | 247,539 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,633 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,102 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,027 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,022 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,778 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,447 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,868 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,396 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,942 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,098 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,957 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,228 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,908 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,470 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,411 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,743 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,969 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,693 |
| Slavic Countries | 0 | - | 4.96 | 111,461 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,278 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,864 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,997 |
| Counties of England | 0 | - | 4.97 | 794,543 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,063 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,209 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,058 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,495 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,948 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,783 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,621 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,240 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,226 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,956 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,726 |
| Countries of the Middle East | 0 | - | 4.96 | 200,686 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,426 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,095,576 |
| Islands by Country #1 | 0 | - | 4.88 | 175,050 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,327 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,680 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,595 |
| Countries by Emojis | 0 | - | 4.99 | 238,497 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,398 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,621 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,636 |
| Country Chain | 0 | - | 4.96 | 216,763 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,820 |
| Capital Cities Chain | 0 | - | 4.84 | 82,445 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,635 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,592 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,399 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,441 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,930 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,851 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,206 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,865 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,758 |
| States of India | 0 | - | 4.94 | 192,490 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,620 |
| African Geography A-Z | 0 | - | 4.33 | 21,461 |
| The Only African Country ... | 0 | - | 4.98 | 128,900 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,048 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,622 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,963 |
| Flags of Oceania | 0 | - | 5.00 | 258,059 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,247 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,139 |
| Australia Country Quiz | 0 | - | 4.43 | 69,505 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,438 |
| Regions of New Zealand | 0 | - | 4.85 | 28,455 |
| The Only American Country ... | 0 | - | 4.92 | 121,376 |
| Famous People from South America | 0 | - | 4.15 | 21,913 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,508 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,415 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,683 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,527 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,806 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,343 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,133 |
| American Foods | 0 | - | 3.66 | 39,354 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,312 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,287 |
