| Countries of the World in 1882 with a Map | 44,056 | 0 | - |
| Countries of the World in 1789 with a Map | 65,958 | 0 | - |
| Countries of the World in 1350 with a Map | 8,651 | - | - |
| Countries of the German Empire | 37,805 | 0 | - |
| Most Populous Countries in 1900 | 173,391 | 0 | - |
| Most Populous Countries in 1950 | 85,871 | 0 | - |
| All Modern-Day Countries Ever Controlled by the Netherlands | 53,156 | 0 | - |
| Countries of the World with an Empty Map | 3,371,789 | 0 | - |
| All Modern-Day Countries Ever Controlled by Austria | 37,615 | 0 | - |
| U.S. Presidents Quiz | 3,678,011 | 0 | - |
| Independence from Whom | 210,944 | 0 | - |
| Country Quiz on a Map - Spain | 23,523 | 0 | - |
| Country Quiz on a Map - Germany | 34,796 | 0 | - |
| Country Quiz on a Map - China | 18,058 | 0 | - |
| Country Quiz on a Map - Egypt | 4,825 | - | - |
| Country Quiz on a Map - France | 46,922 | 0 | - |
| Country Quiz on a Map - USA | 57,355 | 0 | - |
| Country Quiz on a Map - United Kingdom | 40,565 | 0 | - |
| Modern Day Countries of Prussia | 1,797 | - | - |
| Smallest Countries by Population and Area | 379,059 | 0 | - |
| Monarchies Bordering Monarchies | 60,104 | 0 | - |
| Modern-Day Countries of the Tibetan Empire | 4,442 | - | - |
| Germany Immigration by Country | 80,653 | 0 | - |
| United Arab Emirates Immigration by Country | 1,692 | - | - |
| Ukraine Immigration by Country | 2,336 | - | - |
| Turkey Immigration by Country | 3,817 | - | - |
| Taiwan Immigration by Country | 1,960 | - | - |
| Switzerland Immigration by Country | 29,482 | 0 | - |
| Sweden Immigration by Country | 55,933 | 0 | - |
| South Korea Immigration by Country | 2,395 | - | - |
| South Africa Immigration by Country | 1,795 | - | - |
| Slovenia Immigration by Country | 873 | - | - |
| Countries Bordering India | 163,229 | 0 | - |
| Modern-Day Countries of the Second French Colonial Empire on Map | 5,739 | - | - |
| Modern-Day Countries of the Republic of Venice in 1500 with a Map | 5,646 | - | - |
| Modern-Day Countries of the Polish-Lithuanian Commonwealth on a Map | 6,252 | - | - |
| Modern-Day Countries of the Russian Empire in 1898 on a Map | 6,530 | - | - |
| Modern-Day Countries of the Macedonian Empire on a Map | 6,444 | - | - |
| Modern-Day Countries of the Khedivate of Egypt on a Map | 3,528 | - | - |
| Modern-Day Countries of the Kazakh Khanate on a Map | 3,908 | - | - |
| Modern-Day Countries of the German Empire on a Map | 6,320 | - | - |
| Modern-Day Countries of the Georgian Empire with a Map | 5,588 | - | - |
| Modern-Day Countries of the First Mexican Empire on a Map | 5,122 | - | - |
| Modern-Day Countries of the First French Empire on a Map | 6,655 | - | - |
| Modern-Day Countries of the First Bulgarian Empire on a Map | 6,815 | - | - |
| Modern-Day Countries of the Federal Republic of Central America on a Map | 3,936 | - | - |
| Modern-Day Countries of the Chinese Empire under the Tang Dynasty | 5,950 | - | - |
| Modern-Day Countries of the Byzantine Empire with a Map | 8,054 | - | - |
| Modern-Day Countries of the Armenian Empire on a Map | 7,659 | - | - |
| Modern-Day Countries of the Ancient Egyptian Empire with a Map | 5,466 | - | - |
| Modern-Day Countries of Gran Colombia on a Map | 5,270 | - | - |
| All Modern-Day Countries Ever Controlled by the Saudis | 6,627 | - | - |
| All Modern-Day Countries Ever Controlled by the Ottoman Empire | 9,286 | - | - |
| All Modern-Day Countries Ever Controlled by the British | 49,639 | 0 | - |
| All Modern-Day Countries Ever Controlled by Sweden | 9,951 | - | - |
| All Modern-Day Countries Ever Controlled by Prussia | 52,288 | 0 | - |
| All Modern-Day Countries Ever Controlled by Portugal | 43,853 | 0 | - |
| All Modern-Day Countries Ever Controlled by Polish People | 13,397 | - | - |
| All Modern-Day Countries Ever Controlled by Oman | 6,979 | - | - |
| All Modern-Day Countries Ever Controlled by Nordic Peoples with a Map | 11,499 | - | - |
| All Modern-Day Countries Ever Controlled by Italy | 9,442 | - | - |
| All Modern-Day Countries Ever Controlled by Iranian Peoples with a Map | 9,994 | - | - |
| All Modern-Day Countries Ever Controlled by Greeks | 53,798 | 0 | - |
| All Modern-Day Countries Ever Controlled by Germany | 27,709 | 0 | - |
| All Modern-Day Countries Ever Controlled by Egypt | 9,977 | - | - |
| All Modern-Day Countries Ever Controlled by Belgium | 47,548 | 0 | - |
| Countries That Have Won a "World's Strongest Man" Title | 16,680 | - | - |
| United States Immigration by Country | 160,659 | 0 | - |
| Countries that Beat Mongolia | 39,400 | 0 | - |
| Countries that Beat Zimbabwe | 127 | - | - |
| Countries that Beat Yemen | 281 | - | - |
| Countries that Beat Vietnam | 279 | - | - |
| Countries that Beat Venezuela | 992 | - | - |
| Countries that Beat Vatican City | 2,609 | - | - |
| Countries that Beat Ukraine | 452 | - | - |
| Countries that Beat Turkmenistan | 205 | - | - |
| Countries that Beat Turkey | 1,090 | - | - |
| Countries that Beat Tunisia | 447 | - | - |
| Random Name a Valid Bordering Country | 75,004 | 0 | - |
| Countries that Beat the Philippines | 448 | - | - |
| Countries that Beat Thailand | 619 | - | - |
| Countries that Beat Tajikistan | 338 | - | - |
| Countries that Beat Taiwan | 279 | - | - |
| Countries that Beat Syria | 290 | - | - |
| Countries that Beat Sweden | 3,630 | - | - |
| Countries that Beat Sudan | 240 | - | - |
| Countries that Beat Sri Lanka | 379 | - | - |
| Countries that Beat Rwanda | 266 | - | - |
| Countries that Beat Peru | 214 | - | - |
| Countries that Beat Papua New Guinea | 267 | - | - |
| Countries that Beat Oman | 138 | - | - |
| Countries that Beat Nepal | 481 | - | - |
| Countries that Beat Namibia | 437 | - | - |
| Countries that Beat Myanmar | 399 | - | - |
| Countries that Beat Morocco | 607 | - | - |
| Countries that Beat Montenegro | 414 | - | - |
| Countries that Beat Monaco | 764 | - | - |
| Countries that Beat Malta | 621 | - | - |
| Countries that Beat Mali | 721 | - | - |
| Countries that Beat Maldives | 433 | - | - |
| Countries that Beat Madagascar | 558 | - | - |
| Countries that Beat Kosovo | 648 | - | - |
| Countries that Beat Kazakhstan | 939 | - | - |
| Countries that Beat Israel | 30,142 | 0 | - |
| Countries that Beat Iran | 1,215 | - | - |
| Countries that Beat Iceland | 42,573 | 0 | - |
| Countries that Beat Haiti | 395 | - | - |
| Countries that Beat Ghana | 311 | - | - |
| Countries that Beat Georgia | 513 | - | - |
| Countries that Beat Ethiopia | 816 | - | - |
| Countries that Beat Dominica | 228 | - | - |
| Countries that Beat Czech Republic | 548 | - | - |
| Australia... or New Zealand? | 61,347 | 0 | - |
| Countries With Same-Sex Marriage – Sudden Death | 70,255 | 0 | - |
| Shapes of Countries With Same-Sex Marriage – Sudden Death | 1,123 | - | - |
| Muslim Countries - Sudden Death | 147,956 | 0 | - |
| Flags of Countries With Same-Sex Marriage – Sudden Death | 1,028 | - | - |
| Countries that Beat Cuba | 491 | - | - |
| Countries that Beat Croatia | 1,192 | - | - |
| Countries that Beat Costa Rica | 308 | - | - |
| Countries that Beat Colombia | 455 | - | - |
| Countries that Beat Chile | 740 | - | - |
| Countries that Beat Cambodia | 292 | - | - |
| Countries that Beat Bosnia and Herzegovina | 333 | - | - |
| Countries that Beat Angola | 535 | - | - |
| Countries that Beat Algeria | 902 | - | - |
| Countries that Beat Afghanistan | 2,870 | - | - |
| Every American Flag - Sudden Death | 67,974 | 0 | - |
| Five Poorest Countries by Continent | 199,882 | 0 | - |
| The Most Recent... United States | 18,382 | 0 | - |
| Top 20 Most Feared Tanks Ever | 54 | - | - |
| 40 Random Missing Countries on the World Map | 969,931 | 0 | - |
| Multiple Choice City Quiz – Cairo | 15,789 | 0 | - |
| Top Five Countries By Category #1 | 448,293 | 0 | - |
| Top 10 Smallest U.S. States by Area | 177,414 | 0 | - |
| Top 10 States by Inland Surface Water | 2,124 | - | - |
| Top 10 Smallest US States by Population | 3,870 | - | - |
| Top 10 Most Densely-Populated Countries in Africa | 1,865 | - | - |
| Pin Europe on a Borderless Map - Sudden Death | 1,694,590 | 0 | - |
| Click a Valid Country A-Z | 526,347 | 0 | - |
| Countries of the Spanish Empire | 77,114 | 0 | - |
| U.S. Presidents - Sudden Death | 172,317 | 0 | - |
| South America Map Quiz | 1,545,396 | 0 | - |
| Countries of the World in 1900 | 84,253 | 0 | - |
| Countries That Touch the Baltic Sea | 115,890 | 0 | - |
| Countries by Former Name | 124,738 | 0 | - |
| Countries with the Most Speakers of These Languages | 295,005 | 0 | - |
| Worst States for LGBTQ+ People to live | 517 | - | - |
| Countries With the Most Languages | 200,853 | 0 | - |
| Countries with the Most Domestic Camels | 61,174 | 0 | - |
| Category Elimination - Country Flags #2 | 61,066 | 0 | - |
| Random Category Elimination - Countries | 430,711 | 0 | - |
| Category Elimination - U.S. States #3 | 54,688 | 0 | - |
| Category Elimination - U.S. States #2 | 133,444 | 0 | - |
| Category Elimination - U.S. States #1 | 219,771 | 0 | - |
| Boundary Waters | 88,275 | 0 | - |
| Countries in Squares of the World Map | 183,880 | 0 | - |
| The Top 10 Shortest Wars In History | 7 | - | - |
| "C" Countries - World Map Sudden Death | 191,048 | 0 | - |
| 10 Easternmost Countries in Europe | 114,443 | 0 | - |
| Modern Day Countries of the Spanish Empire on a Map | 85,912 | 0 | - |
| Countries with the Most Borders | 387,276 | 0 | - |
| 10 Southernmost Countries in Asia | 98,785 | 0 | - |
| Countries With the Most Italian Speakers | 57,687 | 0 | - |
| Historical Countries by Ruler | 48,427 | 0 | - |
| Most-Visited Countries by Popes | 83,450 | 0 | - |
| Countries of the Popes | 127,666 | 0 | - |
| Countries with the Top Chess Players | 75,486 | 0 | - |
| Guess the European Countries Being Drawn | 112,275 | 0 | - |
| Louisiana Purchase with a Map | 48,172 | 0 | - |
| Most Common JetPunk Answers - Countries | 87,163 | 0 | - |
| U.S. States By Population | 152,845 | 0 | - |
| Name a Valid Country #2 | 249,326 | 0 | - |
| Name a Valid Country #4 | 254,283 | 0 | - |
| Name a Valid Country #5 | 205,352 | 0 | - |
| Name a Valid Country #6 | 128,478 | 0 | - |
| Name a Valid Country #7 | 128,396 | 0 | - |
| Name a Valid Country #8 | 97,765 | 0 | - |
| First U.S. States to be Settled by Europeans | 35,366 | 0 | - |
| All 3,143 Counties of the United States on a Map | 330,128 | 0 | - |
| All Counties of the United States by First Two Letters | 26,960 | - | - |
| Five Most Guessed Country Flags by Continent | 53,339 | 0 | - |
| Countries by Coldest Recorded Temperature | 111,385 | 0 | - |
| Inventions by Country #1 | 54,963 | 0 | - |
| The First Country to Do it | 54,578 | 0 | - |
| Biggest Spanish Empire Countries | 115,509 | 0 | - |
| Countries that visit Scotland the most | 63 | - | - |
| Countries Visited by Barack Obama | 103 | - | - |
| Countries Covered by "Rick Steves' Europe" | 111 | - | - |
| UNESCO World Heritage Countries | 135,264 | 0 | - |
| Countries by First Two Letters in 90 Seconds | 5,606,693 | 0 | - |
| Countries Furthest from the United States | 88,708 | 0 | - |
| The Only Two Countries... | 82,976 | 0 | - |
| Name a Valid Country by Disputed Area | 47,423 | 0 | - |
| Unique Starting Letter - Countries by Continent | 124,910 | 0 | - |
| Battle to Country | 52,986 | 0 | - |
| All Modern-Day Countries Ever Controlled by Chinese People | 54,574 | 0 | - |
| Name a Valid Country #1 | 287,412 | 0 | - |
| Name a Valid Country #3 | 261,894 | 0 | - |
| Deadliest Wars US has Fought In | 55 | - | - |
| Countries Most-Mentioned by the New York Times, 1900–2018 | 61,394 | 0 | - |
| Name the War | 201,267 | 0 | - |
| First Countries to Reach 5 Million People | 134,886 | 0 | - |
| Flags of the 1896 Olympics | 17,688 | 0 | - |
| Most Recently-Settled Countries | 62,266 | 0 | - |
| Countries of the Americas in 1820 (with Map!) | 12,998 | - | - |
| History by Letter - T | 105,097 | 0 | - |
| History General Knowledge #6 | 88,738 | 0 | - |
| Events in History #3 | 71,578 | 0 | - |
| Events in Ancient History | 35,865 | 0 | - |
| Events in History #1 | 157,531 | 0 | - |
| Events in History #2 | 71,584 | 0 | - |
| Events in U.S. History | 28,584 | 0 | - |
| Know Your Dictator - Click Quiz | 41,494 | 0 | - |
| History True or False #2 | 67,051 | 0 | - |
| Former Countries | 133,022 | 0 | - |
| 18th Century A-Z | 42,729 | 0 | - |
| 19th Century A-Z | 46,848 | 0 | - |
| 20th Century A-Z | 53,307 | 0 | - |
| Real People - Sudden Death #2 (U.S.) | 78,730 | 0 | - |
| History General Knowledge #7 | 88,352 | 0 | - |
| History by Letter - M | 119,576 | 0 | - |
| History General Knowledge #4 | 110,466 | 0 | - |
| Modern-Day Countries of the Holy Roman Empire on a Map | 45,467 | 0 | - |
| Deadliest U.S. Wars | 190,068 | 0 | - |
| First Names of Historical Figures #1 | 229,034 | 0 | - |
| 19th Century Dates – Within 15 Years | 16,557 | 0 | - |
| U.S. Presidents by Picture | 425,226 | 0 | - |
| Name a Valid Answer - United States #1 | 93,753 | 0 | - |
| Countries by Independence Day | 52,687 | 0 | - |
| Name a Valid Year Each War Occurred In | 23,273 | 0 | - |
| Countries That Were Invaded | 97,210 | 0 | - |
| Ottoman Empire Quiz | 17,082 | 0 | - |
| Groups of Things - History #1 | 93,891 | 0 | - |
| Groups of Things - History #2 | 79,208 | 0 | - |
| People in History A-Z #1 | 98,841 | 0 | - |
| People in History A-Z #5 | 31,881 | 0 | - |
| People in History A-Z #2 | 54,970 | 0 | - |
| Damaged and Destroyed Cities | 44,597 | 0 | - |
| Imperial Japan or Die! - Sudden Death | 46,469 | 0 | - |
| People by Country #4 | 77,179 | 0 | - |
| Name that Historical Figure #2 | 283,781 | 0 | - |
| Losing U.S. Presidential Candidates in History | 93,392 | 0 | - |
| Historical Middle Names | 35,630 | 0 | - |
| Name the Alliance | 29,405 | 0 | - |
| Modern Day Countries of the Japanese Empire on a Map | 88,896 | 0 | - |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 68,506 | 0 | - |
| When Did They Die Within Five Years | 37,948 | 0 | - |
| Name that Historical Figure #1 | 336,660 | 0 | - |
| US President Faces - Sudden Death #2 | 34,792 | 0 | - |
| Before WWII... or After? | 30,326 | 0 | - |
| History General Knowledge #12 | 67,072 | 0 | - |
| History General Knowledge #17 | 23,751 | 0 | - |
| History General Knowledge #16 | 23,573 | 0 | - |
| History General Knowledge #15 | 25,138 | 0 | - |
| History General Knowledge #14 | 24,948 | 0 | - |
| History General Knowledge #13 | 48,923 | 0 | - |
| History General Knowledge #11 | 72,424 | 0 | - |
| History General Knowledge #10 | 77,660 | 0 | - |
| History General Knowledge #9 | 79,706 | 0 | - |
| History General Knowledge #8 | 83,798 | 0 | - |
| History General Knowledge #5 | 106,322 | 0 | - |
| History General Knowledge #2 | 112,746 | 0 | - |
| History General Knowledge #1 | 127,855 | 0 | - |
| German History A-Z | 24,529 | 0 | - |
| U.S. History A-Z #2 | 4,302 | 0 | - |
| U.S. History A-Z #1 | 29,827 | 0 | - |
| Spanish History A-Z | 19,230 | 0 | - |
| Russian History A-Z | 31,457 | 0 | - |
| The American Civil War | 52,308 | 0 | - |
| 4-Letter History Chain #1 | 84,896 | 0 | - |
| 4-Letter History Chain #2 | 58,171 | 0 | - |
| 4-Letter History Chain #3 | 60,192 | 0 | - |
| 5-Letter History Chain #1 | 102,042 | 0 | - |
| 5-Letter History Chain #2 | 68,884 | 0 | - |
| 5-Letter History Chain #3 | 66,286 | 0 | - |
| 6-Letter History Chain #1 | 69,924 | 0 | - |
| 6-Letter History Chain #2 | 57,402 | 0 | - |
| 6-Letter History Chain #3 | 17,817 | 0 | - |
| Who Controlled These Colonies? | 131,433 | 0 | - |
| 13th Century A-Z | 4,308 | 0 | - |
| 14th Century A-Z | 23,887 | 0 | - |
| 15th Century A-Z | 23,448 | 0 | - |
| 16th Century A-Z | 24,457 | 0 | - |
| 17th Century A-Z | 34,243 | 0 | - |
| The 1st and 2nd Century | 30,537 | 0 | - |
| The 1st and 2nd Century BC | 24,000 | 0 | - |
| The 2nd Millennium BC | 20,770 | 0 | - |
| The 3rd and 4th Century | 27,192 | 0 | - |
| The 3rd and 4th Century BC | 20,891 | 0 | - |
| The 3rd Millennium BC | 19,794 | 0 | - |
| The 5th and 6th Century | 28,504 | 0 | - |
| The 5th and 6th Century BC | 19,000 | 0 | - |
| The 7th, 8th, 9th and 10th Century BC | 17,763 | 0 | - |
| The 7th and 8th Century | 30,425 | 0 | - |
| The 9th and 10th Century | 37,605 | 0 | - |
| The 11th and 12th Century | 56,033 | 0 | - |
| The 13th Century | 43,223 | 0 | - |
| The 14th Century | 49,250 | 0 | - |
| The 15th Century | 51,150 | 0 | - |
| The 16th Century | 58,810 | 0 | - |
| The 17th Century | 53,751 | 0 | - |
| The 18th Century | 53,199 | 0 | - |
| The 19th Century | 67,989 | 0 | - |
| The 20th Century | 97,223 | 0 | - |
| The Stone Age | 22,870 | 0 | - |
| The 21st Century | 105,625 | 0 | - |
| Name that Historical Figure #7 - U.S. Edition | 50,595 | 0 | - |
| Name that Historical Figure #3 | 238,727 | 0 | - |
| Name that Historical Figure #4 | 158,672 | 0 | - |
| Name that Historical Figure #5 | 107,224 | 0 | - |
| Name that Historical Figure #6 | 92,948 | 0 | - |
| Women in History by Picture | 25,845 | 0 | - |
| Years in History by Picture | 35,359 | 0 | - |
| British History - How Did They Die? | 35,641 | 0 | - |
| "Second Best" History Edition | 62,511 | 0 | - |
| This Day in History - July | 36,419 | 0 | - |
| This Day in History - April | 44,433 | 0 | - |
| This Day in History - August | 43,318 | 0 | - |
| This Day in History - December | 40,504 | 0 | - |
| This Day in History - February | 39,750 | 0 | - |
| This Day in History - January | 46,649 | 0 | - |
| This Day in History - June | 33,475 | 0 | - |
| This Day in History - March | 43,601 | 0 | - |
| This Day in History - May | 48,320 | 0 | - |
| This Day in History - November | 33,578 | 0 | - |
| This Day in History - October | 37,590 | 0 | - |
| This Day in History - September | 57,366 | 0 | - |
| History by Letter - D | 137,260 | 0 | - |
| History by Letter - B | 171,764 | 0 | - |
| History by Letter - A | 152,542 | 0 | - |
| History by Letter - C | 170,902 | 0 | - |
| History by Letter - E | 140,271 | 0 | - |
| History by Letter - F | 113,988 | 0 | - |
| History by Letter - H | 136,264 | 0 | - |
| History by Letter - I | 103,992 | 0 | - |
| History by Letter - J | 153,704 | 0 | - |
| History by Letter - K | 101,120 | 0 | - |
| History by Letter - L | 111,835 | 0 | - |
| History by Letter - N | 103,694 | 0 | - |
| History by Letter - O | 99,308 | 0 | - |
| History by Letter - P | 107,621 | 0 | - |
| History by Letter - Q | 80,175 | 0 | - |
