| Europe Geography Decoder | 0 | - | 4.86 | 70,267 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,213 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,537 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,997 |
| Word Chain - Africa | 0 | - | 4.47 | 31,702 |
| African East Coast | 0 | - | 4.96 | 96,660 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,488 |
| Famous People from Africa | 0 | - | 4.45 | 10,989 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,096 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,448 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,075 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,588 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,850 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,962 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,573 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,418 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,150 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,215 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,475 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,685 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,663 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,095 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,245 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,526 |
| African Great Lakes | 0 | - | 4.82 | 66,887 |
| Christmas Decoder | 0 | - | 4.42 | 49,638 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,488 |
| African Physical Geography | 0 | - | 4.51 | 31,802 |
| Africa A-Z | 0 | - | 4.57 | 46,753 |
| Canada Decoder | 0 | - | 4.07 | 18,764 |
| Europe Map Quiz | 0 | - | 5.00 | 4,783,988 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,474 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,929 |
| Halloween Decoder | 0 | - | 4.21 | 45,683 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,616 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,365 |
| Australian Capitals | 0 | - | 4.92 | 62,818 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,344 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,644 |
| Official European Union Languages | 0 | - | 4.97 | 239,609 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,544 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,476 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,137 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,422 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,394 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,526 |
| German Groups of Things | 0 | - | 4.47 | 38,615 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,593 |
| Asia Map Quiz | 0 | - | 4.99 | 924,115 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,642 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,708 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,348 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,278 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,230 |
| Geography of South Africa | 0 | - | 4.54 | 17,312 |
| History of South Africa | 0 | - | 4.60 | 17,752 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,366 |
| Word Chain - Australia | 0 | - | 4.38 | 38,229 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,682 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,877 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,523 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,911 |
| The Only European Country ... | 0 | - | 4.91 | 218,662 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,341 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,027 |
| Word Chain - Asia | 0 | - | 4.34 | 29,383 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,819 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,730 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,802 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,500 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,803 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,698 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,014 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,406 |
| Random Symbol to Element | 0 | - | 4.88 | 93,789 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,648,817 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,619 |
| Provinces of South Africa | 0 | - | 4.74 | 21,919 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,127 |
| Australia Map Quiz | 0 | - | 4.95 | 345,981 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,845 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,771 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,857 |
| Word Chain - South America | 0 | - | 4.51 | 23,993 |
| United States Map Quiz | 0 | - | 4.98 | 4,169,512 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,325 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,982 |
| Celtic Nations | 0 | - | 4.61 | 47,081 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,854 |
| Word Chain - France | 0 | - | 4.38 | 42,914 |
| British Groups of Things | 0 | - | 4.25 | 82,988 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,740 |
| Countries of Africa | 0 | - | 5.00 | 2,556,025 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,111,822 |
| 7 Deadly Sins | 0 | - | 4.88 | 403,563 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,951 |
| Countries with Four Letters | 0 | - | 4.99 | 425,360 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,924 |
| Random Country to Capital | 0 | - | 4.98 | 926,866 |
| Australian States and Territories | 0 | - | 4.96 | 142,746 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,473 |
| Australia True or False | 0 | - | 4.87 | 57,104 |
| Flags of North and South America | 0 | - | 4.99 | 376,370 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,913 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,712 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,525 |
| South America Map Quiz | 0 | - | 5.00 | 1,555,417 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,738 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,119 |
| North America Map Quiz | 0 | - | 4.98 | 251,263 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,947 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,675 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,078 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,507 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,132 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,750 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,559 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,389 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,937 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,489 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,691 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,950 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,444 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,339 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,806 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,218 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,057 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,702 |
| Slavic Countries | 0 | - | 4.96 | 112,280 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,668 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,389 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,081 |
| Counties of England | 0 | - | 4.97 | 802,047 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,867 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,117 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,702 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,441 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,808 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,064 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,688 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,217 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,980 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,429 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,501 |
| Countries of the Middle East | 0 | - | 4.96 | 202,426 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,714 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,462 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,591 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,209 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,382 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,173 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,044 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,465 |
| African Island Countries | 0 | - | 4.96 | 102,348 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,101,729 |
| Islands by Country #1 | 0 | - | 4.90 | 176,225 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,152 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,481 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,332 |
| Countries by Emojis | 0 | - | 4.99 | 241,594 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,832 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,245 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,486 |
| Country Chain | 0 | - | 4.96 | 218,292 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,564 |
| Cold War Decoder | 0 | - | 4.83 | 52,600 |
| Capital Cities Chain | 0 | - | 4.84 | 83,274 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,480 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,407 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,736 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,696 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,835 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,856 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,741 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,491 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,633 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,753 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 740,219 |
| Flags of Oceania | 0 | - | 5.00 | 262,231 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,649 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,399 |
| Australia Country Quiz | 0 | - | 4.43 | 69,802 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,943 |
| Regions of New Zealand | 0 | - | 4.84 | 28,693 |
| The Only American Country ... | 0 | - | 4.92 | 122,139 |
| Famous People from South America | 0 | - | 4.15 | 22,079 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 904,613 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,725 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,086 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,872 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,827 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,711 |
| American Foods | 0 | - | 3.66 | 39,430 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,873 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,425 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,972 |
| California Groups of Things | 0 | - | 4.26 | 45,739 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,903 |
| New York Groups of Things | 0 | - | 4.39 | 71,882 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,215 |
