| 10 Plagues of Egypt | 0 | - | 4.39 | 52,268 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,679 |
| Every African Country Shape | 0 | - | 4.90 | 86,113 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,733 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,703 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,216 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,277 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,729 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,444 |
| Africa Flags Map Quiz | 0 | - | 4.94 | 35,937 |
| Eastern Africa Map Quiz | 0 | - | 4.98 | 78,191 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,811 |
| Flags of Countries that Border China | 0 | - | 4.94 | 98,544 |
| Random African Countries on a Map | 0 | - | 4.99 | 293,386 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,308 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,622 |
| Random Asian Countries on a Map | 0 | - | 4.90 | 168,767 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,861 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,748 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,433 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,948 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,423 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,416 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,112 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,020 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,772 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,271 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,036 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,896 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,224 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,862 |
| Pixelated United States Map | 0 | - | 4.89 | 93,478 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,654,355 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,254 |
| Every European Country Shape | 0 | - | 4.96 | 200,171 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,373 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,861 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,137 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,494 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,278 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,248 |
| China by Picture | 0 | - | 4.51 | 62,540 |
| Random African Flag to Country | 0 | - | 4.87 | 74,217 |
| Random European Flag to Country | 0 | - | 4.89 | 180,892 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,489 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,625 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,125 |
| Monty Python Quotes | 0 | - | 4.88 | 42,324 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,289 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,682 |
| Random Asian Flag to Country | 0 | - | 4.77 | 112,897 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,680 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 86,289 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,945 |
| Africa Map with Random Merged Countries | 0 | - | 4.95 | 72,422 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,634 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,621 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,739 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,563 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,854 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,675 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,468 |
| Random European Countries on a Map | 0 | - | 4.97 | 281,974 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,740 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,354 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,837 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,144 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,367 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,464 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,378 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,730 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,542 |
| The Dictator Files: Saddam Hussein | 0 | - | 4.48 | 15,755 |
| Japan by Picture | 0 | - | 4.45 | 29,038 |
| Countries that Bordered British India with an Empty Map | 0 | - | 4.68 | 55,177 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,531 |
| Shapes of Mediterranean Sea Countries | 0 | - | 4.80 | 55,600 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,311 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,351 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,420 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,146 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 315,726 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,480 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,237 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,891 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 143,179 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,947 |
| Byzantine History | 0 | - | 4.91 | 28,620 |
| Biggest British Empire Countries | 0 | - | 4.73 | 94,393 |
| Name the James Bond Movies | 0 | - | 4.56 | 157,436 |
| James Bond Trivia | 0 | - | 4.46 | 39,142 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,102 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,182 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 104,799 |
| The Iraq War | 0 | - | 4.47 | 15,552 |
| Vietnam War Countries | 0 | - | 4.83 | 93,609 |
| Countries of Africa | 0 | - | 5.00 | 2,507,839 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,434 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,345 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,293 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,813 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,628 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,575 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,275 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,505 |
| African East Coast | 0 | - | 4.96 | 95,045 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,109 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,924 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,447 |
| African Island Countries | 0 | - | 4.96 | 100,790 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,658 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,688 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,299 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,798 |
| Australian States and Territories | 0 | - | 4.95 | 140,852 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,018 |
| Australia by Picture | 0 | - | 4.41 | 28,438 |
| Australia Map Quiz | 0 | - | 4.94 | 342,479 |
| Australia True or False | 0 | - | 4.87 | 56,504 |
| Flags of North and South America | 0 | - | 4.99 | 367,213 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,155 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,163 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,227 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,211 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,791 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,643 |
| North America Map Quiz | 0 | - | 4.98 | 244,429 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,377 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,822 |
| U.S. Cities by Picture #1 | 0 | - | 4.37 | 34,354 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,937 |
| U.S. Vice Presidents | 0 | - | 4.41 | 134,937 |
| U.S. Presidential Trivia #1 | 0 | - | 4.45 | 107,949 |
| U.S. Presidents by Event | 0 | - | 4.58 | 33,499 |
| Presidential Actors | 0 | - | 4.36 | 19,065 |
| Losing U.S. Presidential Candidates in History | 0 | - | 4.61 | 93,001 |
| Presidential Middle Names | 0 | - | 4.41 | 59,702 |
| U.S. Presidential Trivia #2 | 0 | - | 4.49 | 52,737 |
| Assassinated U.S. Presidents | 0 | - | 4.63 | 93,819 |
| U.S. Presidents Who Died in Office | 0 | - | 4.77 | 34,745 |
| Ten Least Guessed U.S. Presidents | 0 | - | 4.45 | 38,172 |
| American Founding Fathers | 0 | - | 4.41 | 23,074 |
| The American Revolution | 0 | - | 4.52 | 54,057 |
| Six Flags Over Texas | 0 | - | 4.79 | 63,011 |
| People on Money - United States | 0 | - | 4.31 | 63,206 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,240 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 44,731 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 32,993 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,644 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,483 |
| The American Civil War | 0 | - | 4.62 | 52,159 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,908 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,956 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,613 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,143 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,208 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,498 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,449 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,985 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,631 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,581 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,304 |
| Official European Union Languages | 0 | - | 4.97 | 236,525 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,701 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,763 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,539 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,558 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,716 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,290 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,325 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,469 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,200 |
| The Only European Country ... | 0 | - | 4.91 | 213,836 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,850 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,826 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,886 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,534 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,263 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,199 |
| Slavic Countries | 0 | - | 4.96 | 110,857 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 70,177 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,048 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,672 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,214 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,686 |
| Modern Day Countries of the Portuguese Empire on a Map | 0 | - | 4.56 | 51,260 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,024 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,568 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,155 |
| Counties of England | 0 | - | 4.97 | 789,187 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,923 |
| Champions League Winners | 0 | - | 4.92 | 996,343 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,898 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,555 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,343 |
| Asia Capital to Country | 0 | - | 4.96 | 125,758 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,463 |
| Asia Map Quiz | 0 | - | 4.99 | 907,017 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
