| 10 Plagues of Egypt | 0 | - | 4.41 | 53,894 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,397 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,344 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,404 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,977 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,763 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,820 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,608 |
| Every African Country Shape | 0 | - | 4.90 | 88,146 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,267 |
| Flags of Countries that Border China | 0 | - | 4.94 | 100,001 |
| Africa Flags Map Quiz | 0 | - | 4.95 | 36,773 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 79,422 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,797 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,210 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 170,734 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,497 |
| Random African Countries on a Map | 0 | - | 4.99 | 297,507 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,136 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,140 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,863 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,553 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,671 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,428 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,131 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 119,480 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 128,205 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,358 |
| Pixelated United States Map | 0 | - | 4.88 | 94,693 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,720,052 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,599 |
| Every European Country Shape | 0 | - | 4.96 | 202,678 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,652 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,523 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,737 |
| China by Picture | 0 | - | 4.51 | 63,606 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,366 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.43 | 33,804 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,981 |
| Random European Flag to Country | 0 | - | 4.90 | 183,929 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,308 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,490 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,161 |
| Monty Python Quotes | 0 | - | 4.89 | 42,585 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,087 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,111 |
| Random Asian Flag to Country | 0 | - | 4.70 | 113,968 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,107 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,439 |
| Random African Flag to Country | 0 | - | 4.88 | 75,462 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 90,100 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,057 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,727 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 428,082 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 383,248 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 193,447 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,773 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,126 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,765 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,154 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,152 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,237 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,419 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,651 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,738 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,212 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,569 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,220 |
| Japan by Picture | 0 | - | 4.45 | 29,389 |
| Colonies of Africa with a Map | 0 | - | 4.79 | 54,686 |
| Africa Map with Random Merged Countries | 0 | - | 4.94 | 74,226 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.80 | 56,037 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,931 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,933 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,887 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,870 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,071 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,058 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,320 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,397 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,934 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,469 |
| Byzantine History | 0 | - | 4.91 | 28,997 |
| Byzantine Emperors | 0 | - | 4.93 | 14,525 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,384 |
| Name the James Bond Movies | 0 | - | 4.56 | 159,253 |
| James Bond Trivia | 0 | - | 4.46 | 39,373 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,372 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,582 |
| Top 10 Richest Countries in Asia | 0 | - | 4.69 | 106,336 |
| The Iraq War | 0 | - | 4.47 | 15,696 |
| Vietnam War Countries | 0 | - | 4.82 | 94,522 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.69 | 55,613 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,103 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,246 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,320 |
| Australian States and Territories | 0 | - | 4.96 | 142,678 |
| Australian Capitals | 0 | - | 4.92 | 62,811 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,453 |
| Australia by Picture | 0 | - | 4.41 | 28,727 |
| Australia Map Quiz | 0 | - | 4.95 | 345,863 |
| Australia True or False | 0 | - | 4.87 | 57,087 |
| Flags of North and South America | 0 | - | 4.99 | 376,092 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,883 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,666 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,460 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,633 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,719 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,387 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,412 |
| North America Map Quiz | 0 | - | 4.98 | 251,016 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,935 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,444 |
| U.S. Cities by Picture #1 | 0 | - | 4.36 | 34,694 |
| Cities by Picture #2 | 0 | - | 4.19 | 35,264 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 109,235 |
| U.S. Presidents by Event | 0 | - | 4.58 | 35,151 |
| Presidential Actors | 0 | - | 4.36 | 19,233 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.62 | 94,487 |
| Presidential Middle Names | 0 | - | 4.41 | 60,637 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 53,582 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 94,839 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 35,166 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,592 |
| American Founding Fathers | 0 | - | 4.42 | 23,265 |
| The American Revolution | 0 | - | 4.52 | 54,329 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,561 |
| People on Money - United States | 0 | - | 4.31 | 63,416 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,566 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,181 |
| Events in U.S. History | 0 | - | 4.41 | 28,788 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,179 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,767 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,341 |
| The American Civil War | 0 | - | 4.62 | 52,595 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,390 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,393 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,479 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,558 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,854 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,108 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,398 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,555 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,605 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,838 |
| Official European Union Languages | 0 | - | 4.97 | 239,510 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,498 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,078 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,240 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,811 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,333 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,875 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,346 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,639 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,355 |
| The Only European Country ... | 0 | - | 4.91 | 218,497 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,913 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,303 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,137 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,229 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,987 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,667 |
| Slavic Countries | 0 | - | 4.96 | 112,220 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 83,893 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,637 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,364 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,886 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.54 | 49,589 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,838 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 52,068 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,290 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,010 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,035 |
| Counties of England | 0 | - | 4.97 | 801,597 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,407 |
| Champions League Winners | 0 | - | 4.92 | 1,013,924 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,629 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,617 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,657 |
| Asia Capital to Country | 0 | - | 4.96 | 127,257 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,328 |
| Asia Map Quiz | 0 | - | 4.99 | 923,533 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,731 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,401 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,754 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,025 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,626 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,158 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,101 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,928 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,734 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,323 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,443 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,038 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,459 |
| Countries of the Middle East | 0 | - | 4.96 | 202,348 |
| The Persian Gulf War | 0 | - | 4.02 | 8,476 |
| Countries Closest to Israel | 0 | - | 4.69 | 106,421 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,693 |
| Countries of Africa | 0 | - | 5.00 | 2,554,155 |
