| Countries Containing Each Letter A-Z | 153,639 | 0 | - |
| All Major North American Pro Sports Teams | 1,003,443 | 0 | - |
| 50 Home Runs in a Season Club | 75,408 | 0 | - |
| NCAA Football Team Names | 202,431 | 0 | - |
| NFL Quarterbacks - 100 Win Club | 88,750 | 0 | - |
| Countries of Europe Before World War I | 156,858 | 0 | - |
| Countries of the World Quiz | 47,593,588 | 0 | - |
| Countries by First and Last Two Letters | 1,817,480 | 0 | - |
| Countries of the World - Type the First Letter | 86,737 | 0 | - |
| NBA All-Time Statistical Leaders | 433,992 | 0 | - |
| NBA Scoring Champions | 239,137 | 0 | - |
| Heisman Trophy Winners | 48,420 | 0 | - |
| NCAA FBS Football Teams on a Map | 108,733 | 0 | - |
| NBA Champions | 618,508 | 0 | - |
| NBA Players Who Averaged 30 Points Per Game | 74,374 | 0 | - |
| NFL Team Passing Leaders - Extreme | 25,947 | 0 | - |
| Top NFL Quarterbacks by Decade | 47,415 | 0 | - |
| NFL Passing Champions | 55,756 | 0 | - |
| All NFL Starting Quarterbacks of the 2020s | 74,664 | 0 | - |
| NBA Championship Starters | 364,225 | 0 | - |
| New York Yankees: All-Star Selections | 2,882 | - | - |
| New York Yankees: Home Run Leader Every Year | 2,152 | - | - |
| Cleveland Browns QBs Since 1999 | 7,822 | 0 | - |
| Cleveland Browns: Most Passing TDs Each Year | 784 | - | - |
| Same Letter Country and Capital | 157,321 | 0 | - |
| Countries by Borders in 90 Seconds | 3,835,247 | 0 | - |
| Countries by Capitals and Borders in 90 Seconds | 226,911 | 0 | - |
| 50 Rivers on a World Map | 38,075 | 0 | - |
| World Capitals on an Empty Map | 54,199 | 0 | - |
| North American Sports Champions Since 2000 | 112,327 | 0 | - |
| U.S. Senators by State | 40,000 | 0 | - |
| Capitals by First and Last Letter | 66,641 | 0 | - |
| Single Vowel Capitals | 14,544 | 0 | - |
| NCAA Basketball Champions | 119,597 | 0 | - |
| #1 Hits of the 1980s | 148,796 | 0 | - |
| Biggest Metro Areas in the USA | 366,778 | 0 | - |
| Countries in Squares of the World Map | 184,838 | 0 | - |
| 100 Most Populous Cities in Each Continent With a Map | 23,904 | 0 | - |
| "C" Countries - World Map Sudden Death | 197,745 | 0 | - |
| World Capitals by Proximity | 332,140 | 0 | - |
| English Monarchs in Order by First Letter | 31,940 | 0 | - |
| English Monarchs by Picture | 1,813 | - | - |
| English Monarchs who lost their throne | 493 | - | - |
| English Monarchs in art | 34 | - | - |
| Monarchs of England/ United Kingdom, 1066-present | 4,533 | - | - |
| English Monarchs - Anglo-Saxon to British | 4,380 | - | - |
| English Monarchs Since 802 CE | 1,700 | - | - |
| English Monarchs - History Picture Quiz | 947 | - | - |
| Click the English Monarchs in Order | 256 | - | - |
| Biggest Cities in the United States | 981,111 | 0 | - |
| NBA Top 5 MVP Voting By Year | 46,924 | 0 | - |
| U.S. Baby Boy Names by Letter | 97,310 | 0 | - |
| Landlocked Countries that Border Each Other | 141,192 | 0 | - |
| One Capital by Letter by Continent | 17,374 | 0 | - |
| All Disney Animated Movies | 450,427 | 0 | - |
| Middle Ages Dates – Within 100 Years | 16,320 | 0 | - |
| Biggest City on Every U.S. Interstate Highway | 13,821 | 0 | - |
| Countries With One Word and Three A's | 53,032 | 0 | - |
| Landlocked Countries | 422,109 | 0 | - |
| Map of Africa by Flag Colours | 17,653 | 0 | - |
| Kings and Queens of England in Order - Click Quiz | 328 | - | - |
| Five Poorest Countries by Continent | 200,661 | 0 | - |
| Olympic Host Countries | 201,115 | 0 | - |
| Pin the Flag - South America | 123,938 | 0 | - |
| Countries Ending in "IA" | 209,109 | 0 | - |
| Every American Flag - Sudden Death | 69,887 | 0 | - |
| Jigsaw Puzzle - South America | 42,871 | 0 | - |
| Countries with Five Letters | 282,505 | 0 | - |
| Divided Country Name Puzzle #2 | 133,710 | 0 | - |
| Divided Country Name Puzzle #1 | 227,627 | 0 | - |
| Countries Containing Two or More Words | 53,985 | 0 | - |
| Empires by Maps | 120,952 | 0 | - |
| Countries With More Than 100 Million People | 166,431 | 0 | - |
| NCAA Basketball Teams | 336,878 | 0 | - |
| Movies that have Won the Most Oscars | 59,374 | 0 | - |
| Baseball Top 100 Career Home Runs | 31,895 | 0 | - |
| All United States Counties by Larger Proximity in 60 Seconds | 86,928 | 0 | - |
| Official Languages of the World | 419,422 | 0 | - |
| U.S. States by Five Longest Rivers | 14,984 | 0 | - |
| First European Cities in History to Reach 100,000 People | 52,221 | 0 | - |
| Top 100 Greatest NBA Players | 694,154 | 0 | - |
| ALL First Level Subdivision Capitals of the World: Proximity | 20,770 | 0 | - |
| 100 Biggest US Cities in 1900 | 73,192 | 0 | - |
| World Countries - Blind Typing | 108,164 | 0 | - |
| Five Closest Countries by Country #3 | 121,360 | 0 | - |
| Roman Names for Places | 58,397 | 0 | - |
| Top Five Countries By Category #3 | 183,360 | 0 | - |
| Countries of Europe by Population | 181,468 | 0 | - |
| World Map with Random Merged Countries | 1,722,332 | 0 | - |
| World Map Without 20 Random Countries | 8,346,873 | 0 | - |
| Seas of the World | 157,408 | 0 | - |
| NFL Rushing Champions | 50,756 | 0 | - |
| NFL 4,000 Yard Passers | 119,561 | 0 | - |
| NBA 2K Video Game Covers | 90,162 | 0 | - |
| Geography Containing Each Letter A-Z | 124,061 | 0 | - |
| NBA Finals Top 10 Leaders | 15,062 | 0 | - |
| Largest Countries by Area or Population | 186,393 | 0 | - |
| Top Five Countries By Category #1 | 451,551 | 0 | - |
| Countries in the Ottoman Empire | 72,797 | 0 | - |
| Commonwealth of Nations Countries | 237,684 | 0 | - |
| Name a Valid Country by Continent #2 | 38,587 | 0 | - |
| NBA Stats Leaders by Year | 29,626 | 0 | - |
| Countries of the World by Similar Area in 90 Seconds | 46,104 | 0 | - |
| Capital Names Created by Only 4 Letters | 57,251 | 0 | - |
| Books of the Protestant Bible | 210,741 | 0 | - |
| Majority Muslim Countries | 375,573 | 0 | - |
| Huge List of Famous Lakes | 11,021 | 0 | - |
| NFL 1,500 Yard Rushers | 40,403 | 0 | - |
| Asian Capitals - Map Quiz | 61,550 | 0 | - |
| NFL All-Time Yardage Leaders | 69,496 | 0 | - |
| Top Five Countries by Language | 49,709 | 0 | - |
| Sensible U.S. Airport Codes | 15,388 | 0 | - |
| The 2nd Millennium BC | 20,916 | 0 | - |
| Global Cities on a World Map | 136,544 | 0 | - |
| "Do Not Travel" Countries for U.S. Citizens | 244,822 | 0 | - |
| Countries of Europe in 1360 with a Map | 57,136 | 0 | - |
| Pin Europe on a Borderless Map - Sudden Death | 1,797,149 | 0 | - |
| 40 Random Missing Countries on the World Map | 985,620 | 0 | - |
| European Countries "Hangman" - Randomized | 24,446 | 0 | - |
| Merged Country Shapes Quiz #1 | 59,484 | 0 | - |
| NBA Most All-Star Selections by Team | 191,163 | 0 | - |
| All Modern-Day Countries Ever Controlled by Arab People with a Map | 55,460 | 0 | - |
| All Modern-Day Countries Ever Controlled by Turkic People | 41,117 | 0 | - |
| All Modern-Day Countries Ever Controlled by the Seljuks | 28,573 | 0 | - |
| Big 4 Sports Championship Cities | 120,434 | 0 | - |
| Countries of Europe before World War II with a Map | 53,630 | 0 | - |
| Countries With 100 Million People - Sudden Death | 166,168 | 0 | - |
| Countries Less Populous Than Their Neighbors | 81,565 | 0 | - |
| NBA All-Stars by Team 2000–2026 | 56,313 | 0 | - |
| All-NBA First Team Players | 542,765 | 0 | - |
| Every Country Flag-Shape of the World | 44,738 | 0 | - |
| All Country Flags of the World | 3,680,148 | 0 | - |
| Name 4-Letter Words Containing Each Letter A-Z | 69,053 | 0 | - |
| Name a Capital City of Each Name Length | 27,259 | 0 | - |
| Top 100 Colleges with the Most NBA Draft Picks | 13,800 | 0 | - |
| Oscar Best Actors | 253,108 | 0 | - |
| One Country By Letter By Continent | 124,489 | 0 | - |
| Geography Groups of Six | 2,239 | - | - |
| Countries of Europe in 1444 | 100,043 | 0 | - |
| MLB Baseball Home Run Leaders by Decade | 21,161 | 0 | - |
| Top Five Countries by Religion | 172,248 | 0 | - |
| Least Christian Countries with Exceptions | 88,516 | 0 | - |
| Countries Mentioned in the Bible | 67,233 | 0 | - |
| Baseball 3000 Hits Club | 44,517 | 0 | - |
| Hidden Words In Bordering Countries | 16,325 | 0 | - |
| Flags with the Most Stars | 136,938 | 0 | - |
| Three Biggest Cities by Time Zone With Map | 34,979 | 0 | - |
| Biggest City in Every Country | 101,021 | 0 | - |
| All 3M Cities on the World Map | 75,190 | 0 | - |
| 5 Most Populous Cities in Each Country With a Map | 39,701 | 0 | - |
| Biggest European Cities by Century | 145,771 | 0 | - |
| Most Valuable Sports Teams | 116,889 | 0 | - |
| Megacities on an Empty Map | 118,712 | 0 | - |
| All ISO 639-1 Languages with a Map | 39,469 | 0 | - |
| Terrestrial Biomes - Map Quiz | 21,435 | 0 | - |
| Countries that End in N | 171,143 | 0 | - |
| World's Busiest Airports | 234,957 | 0 | - |
| World's Longest Rivers | 137,032 | 0 | - |
| Complete Baseball Hall of Fame | 41,458 | 0 | - |
| NBA Players with the Most All-Star Selections | 51,696 | 0 | - |
| NCAA College Football Top Four | 62,923 | 0 | - |
| NBA All Time Leaders in 3 Pointers Made | 65,223 | 0 | - |
| NBA 60 Points in a Game | 436,512 | 0 | - |
| Countries Breakdown Puzzle #3 | 29,377 | 0 | - |
| NBA Career Scoring Leaders - Extreme | 41,915 | 0 | - |