| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,645 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,758 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,039 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,593,934 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,328 |
| African East Coast | 0 | - | 4.96 | 95,209 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,604 |
| Famous People from Africa | 0 | - | 4.45 | 10,873 |
| Word Chain - Africa | 0 | - | 4.47 | 31,462 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,260 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,756 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,938 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 713,107 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,828 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,224 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,448 |
| African Great Lakes | 0 | - | 4.82 | 65,341 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,397 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,797 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,093 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,943 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,563 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,305 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 957,146 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,389 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,678 |
| Africa A-Z | 0 | - | 4.57 | 46,414 |
| NBA Teams - One Minute Sprint | 0 | - | 4.54 | 153,872 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,246 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,494 |
| Europe Map Quiz | 0 | - | 5.00 | 4,736,825 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,510 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 38,140 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,428 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,914 |
| Australian Capitals | 0 | - | 4.92 | 62,611 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,533 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,706 |
| Official European Union Languages | 0 | - | 4.97 | 237,198 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,055 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,037 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,670 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,998 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,031 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,700 |
| German Groups of Things | 0 | - | 4.46 | 38,338 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,144 |
| Asia Map Quiz | 0 | - | 4.99 | 908,376 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,351 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,363 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,172 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 237,025 |
| African Physical Geography | 0 | - | 4.51 | 31,588 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,959 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,703 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,085 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,068 |
| Geography of South Africa | 0 | - | 4.54 | 17,163 |
| History of South Africa | 0 | - | 4.60 | 17,622 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,977 |
| Word Chain - Australia | 0 | - | 4.37 | 38,029 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,509 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,353 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,368 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,850 |
| The Only European Country ... | 0 | - | 4.91 | 214,340 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,863 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,612 |
| Word Chain - Asia | 0 | - | 4.34 | 29,237 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,681 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,620 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,492 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,459 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 233,580 |
| Random Symbol to Element | 0 | - | 4.88 | 92,356 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,130 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,432 |
| Countries of Africa | 0 | - | 5.00 | 2,512,726 |
| Provinces of South Africa | 0 | - | 4.74 | 21,445 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,991 |
| Australia Map Quiz | 0 | - | 4.94 | 342,791 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,631 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,224 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,490 |
| Word Chain - South America | 0 | - | 4.51 | 23,781 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,310 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,807 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,677 |
| Celtic Nations | 0 | - | 4.69 | 46,838 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,445 |
| Word Chain - France | 0 | - | 4.38 | 42,612 |
| British Groups of Things | 0 | - | 4.25 | 82,722 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,974 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,377,313 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,090,462 |
| 7 Deadly Sins | 0 | - | 4.88 | 395,872 |
| Fast Math - Addition | 0 | - | 4.87 | 520,415 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,253 |
| Countries with Four Letters | 0 | - | 4.99 | 419,204 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,239 |
| Random Country to Capital | 0 | - | 4.98 | 912,971 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,514 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,588 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,846 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,692 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,440 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,621 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,358 |
| African Island Countries | 0 | - | 4.96 | 100,920 |
| Australian States and Territories | 0 | - | 4.96 | 141,096 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,060 |
| Australia True or False | 0 | - | 4.87 | 56,569 |
| Flags of North and South America | 0 | - | 4.99 | 368,457 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,226 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,287 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,430 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,353 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,949 |
| North America Map Quiz | 0 | - | 4.98 | 245,184 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,429 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,686 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,684 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,728 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,567 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,688 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,327 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,872 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,455 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,746 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,594 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,946 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,254 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,592 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,214 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,854 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,437 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,335 |
| Slavic Countries | 0 | - | 4.96 | 111,003 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,096 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,941 |
| Counties of England | 0 | - | 4.97 | 790,431 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,920 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,858 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,455 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,940 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,533 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,394 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,952 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,654 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,821 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,041 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,282 |
| Countries of the Middle East | 0 | - | 4.96 | 199,267 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,291 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,091,900 |
| Islands by Country #1 | 0 | - | 4.87 | 174,604 |
| Regions of Countries #1 | 0 | - | 4.97 | 159,021 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,360 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,398 |
| Countries by Emojis | 0 | - | 4.99 | 237,049 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,552 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,669 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,231 |
| Country Chain | 0 | - | 4.96 | 215,959 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,247 |
| Capital Cities Chain | 0 | - | 4.84 | 82,042 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,131 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,556 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,182 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,422 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,880 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,247 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,191 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,730 |
| States of India | 0 | - | 4.94 | 190,807 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,320 |
| African Geography A-Z | 0 | - | 4.33 | 21,432 |
| The Only African Country ... | 0 | - | 4.99 | 128,471 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,826 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,214 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,495 |
| Flags of Oceania | 0 | - | 5.00 | 255,933 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,999 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,564 |
| Australia Country Quiz | 0 | - | 4.43 | 69,348 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,151 |
| Regions of New Zealand | 0 | - | 4.85 | 28,265 |
| The Only American Country ... | 0 | - | 4.92 | 120,895 |
| Famous People from South America | 0 | - | 4.15 | 21,819 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,394 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,169 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,136 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,991 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,179 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,040 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,503 |
| American Foods | 0 | - | 3.66 | 39,294 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,982 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,223 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,818 |