| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,272 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,457 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,587 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,654,790 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,759 |
| Word Chain - Africa | 0 | - | 4.47 | 31,720 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,331 |
| African East Coast | 0 | - | 4.96 | 96,806 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,512 |
| Famous People from Africa | 0 | - | 4.45 | 11,012 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,306 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,682 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 743,406 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,099 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,690 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,014 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 61,036 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 60,115 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,590 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,619 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,354 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,975 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,986 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,000 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,322 |
| African Great Lakes | 0 | - | 4.82 | 67,003 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 982,676 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,778 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,995 |
| African Physical Geography | 0 | - | 4.51 | 31,823 |
| Africa A-Z | 0 | - | 4.57 | 46,779 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 156,726 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,353 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,492 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,966 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,640 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,426 |
| Australian Capitals | 0 | - | 4.92 | 62,837 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,408 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,761 |
| Official European Union Languages | 0 | - | 4.97 | 239,856 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,687 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,535 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,196 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,470 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,437 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,023 |
| German Groups of Things | 0 | - | 4.47 | 38,643 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,705 |
| Asia Map Quiz | 0 | - | 4.99 | 925,518 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,663 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,740 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,366 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,180 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.96 | 242,959 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,247 |
| Geography of South Africa | 0 | - | 4.54 | 17,328 |
| History of South Africa | 0 | - | 4.60 | 17,766 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,487 |
| Word Chain - Australia | 0 | - | 4.38 | 38,248 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,034 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,944 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,902 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,225 |
| The Only European Country ... | 0 | - | 4.91 | 219,164 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,596 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,065 |
| Word Chain - Asia | 0 | - | 4.34 | 29,392 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,992 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,027 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,820 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,661 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,003 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,113 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,335 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,559 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,757 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,724 |
| Random Symbol to Element | 0 | - | 4.88 | 94,068 |
| Provinces of South Africa | 0 | - | 4.74 | 21,993 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,138 |
| Australia Map Quiz | 0 | - | 4.95 | 346,244 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,864 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,191 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,913 |
| Word Chain - South America | 0 | - | 4.51 | 24,007 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,934 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,916 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,312 |
| Celtic Nations | 0 | - | 4.61 | 47,105 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,903 |
| Word Chain - France | 0 | - | 4.38 | 42,944 |
| British Groups of Things | 0 | - | 4.26 | 83,022 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,114 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,460 |
| Countries of Africa | 0 | - | 5.00 | 2,561,157 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,125,698 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,233 |
| Fast Math - Addition | 0 | - | 4.87 | 525,102 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,723 |
| Countries with Four Letters | 0 | - | 4.99 | 425,989 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,228 |
| Random Country to Capital | 0 | - | 4.98 | 928,681 |
| Australian States and Territories | 0 | - | 4.96 | 142,895 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,509 |
| Australia True or False | 0 | - | 4.87 | 57,160 |
| Flags of North and South America | 0 | - | 4.99 | 377,265 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,015 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,874 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,694 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,983 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,762 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,981 |
| North America Map Quiz | 0 | - | 4.98 | 252,219 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,992 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,421 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,755 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,585 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,195 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,855 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,058 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,604 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,116 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,923 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,803 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,046 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,843 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,991 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,867 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,521 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,227 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,816 |
| Slavic Countries | 0 | - | 4.96 | 112,407 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,703 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,468 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,090 |
| Counties of England | 0 | - | 4.97 | 803,238 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,900 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,699 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,851 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,585 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,963 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,198 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,864 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,352 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,112 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,682 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,637 |
| Countries of the Middle East | 0 | - | 4.96 | 203,009 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,756 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,525 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,966 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,786 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,890 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,456 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 43,075 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,729 |
| African Island Countries | 0 | - | 4.96 | 102,576 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,102,727 |
| Islands by Country #1 | 0 | - | 4.90 | 176,395 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,269 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,589 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,421 |
| Countries by Emojis | 0 | - | 4.99 | 242,568 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,117 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,485 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,615 |
| Country Chain | 0 | - | 4.96 | 218,510 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,118 |
| Capital Cities Chain | 0 | - | 4.84 | 83,413 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,606 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,920 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,116 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,501 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,295 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,290 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,141 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,331 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,931 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,066 |
| Flags of Oceania | 0 | - | 5.00 | 262,890 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,744 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,560 |
| Australia Country Quiz | 0 | - | 4.43 | 69,844 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,030 |
| Regions of New Zealand | 0 | - | 4.84 | 28,752 |
| The Only American Country ... | 0 | - | 4.92 | 122,236 |
| Famous People from South America | 0 | - | 4.15 | 22,115 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,097 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,849 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,219 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,130 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,905 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,849 |
| American Foods | 0 | - | 3.66 | 39,444 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,972 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,451 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,984 |
| California Groups of Things | 0 | - | 4.26 | 45,776 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,048 |
