| MLB Baseball Teams Quiz | 0 | - | 4.91 | 886,155 |
| MLB Baseball by Year, 1990–present | 0 | - | 4.02 | 14,973 |
| NFL Football by Year, 1967–1999 | 0 | - | 4.34 | 25,441 |
| MLB Baseball MVPs | 0 | - | 4.44 | 108,465 |
| MLB Baseball Records | 0 | - | 4.54 | 34,402 |
| U.S. Cities with Teams from All Four Major Sports | 0 | - | 4.88 | 137,553 |
| NFL Football by Year, 2000–present | 0 | - | 4.26 | 27,978 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 994,899 |
| MLB Baseball Team Logos | 0 | - | 4.49 | 154,887 |
| NBA Basketball by Year, 1970–1999 | 0 | - | 4.28 | 44,885 |
| NBA Basketball by Year, 2000–Present | 0 | - | 4.33 | 60,581 |
| Baseball First Ballot Hall of Fame | 0 | - | 4.39 | 43,900 |
| MLB Baseball Stadiums | 0 | - | 4.21 | 48,415 |
| Complete Baseball Hall of Fame | 0 | - | 4.23 | 41,151 |
| 50 Home Runs in a Season Club | 0 | - | 4.15 | 75,122 |
| MLB Baseball Leaders by Category | 0 | - | 4.30 | 60,768 |
| Baseball 3000 Hits Club | 0 | - | 4.30 | 44,285 |
| Baseball 500 Home Run Club | 0 | - | 4.37 | 68,481 |
| MLB Home Run Champs by Year | 0 | - | 4.28 | 43,290 |
| Debut Teams of MLB Players | 0 | - | 4.23 | 18,281 |
| Baseball Terms | 0 | - | 4.02 | 26,434 |
| First Names as Last Names - Baseball | 0 | - | 4.32 | 9,615 |
| MLB Cities Map Quiz | 0 | - | 4.50 | 69,243 |
| MLB Baseball Teams - One Minute Sprint | 0 | - | 4.25 | 22,930 |
| Longest MLB Baseball Droughts | 0 | - | 4.23 | 21,022 |
| MLB Baseball General Knowledge #1 | 0 | - | 4.40 | 18,551 |
| All Teams to Ever Play a FIFA World Cup | 0 | - | 4.95 | 334,261 |
| FIFA World Cup Top 4 Positions | 0 | - | 4.96 | 458,953 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,465 |
| Baseball Abbreviations | 0 | - | 4.33 | 75,515 |
| One Team Baseball Players | 0 | - | 4.00 | 32,250 |
| Yogi Berra Quotes | 0 | - | 4.42 | 10,440 |
| Top 100 MLB Baseball Players of All Time | 0 | - | 4.31 | 97,520 |
| All Retired MLB Baseball Numbers | 0 | - | 4.07 | 13,871 |
| Cy Young Winners | 0 | - | 3.89 | 39,483 |
| MLB All-Stars by Team | 0 | - | 4.05 | 36,568 |
| MLB Players Who Almost Hit .400 | 0 | - | 4.08 | 18,080 |
| MLB Baseball Strikeout Leaders | 0 | - | 4.04 | 27,318 |
| MLB Team Home Run Leaders | 0 | - | 4.11 | 40,229 |
| MLB Baseball Team Wins Leaders | 0 | - | 4.42 | 10,678 |
| MLB Baseball Triple Crown | 0 | - | 4.15 | 11,896 |
| Major League Batting Titles | 0 | - | 4.12 | 28,581 |
| Baseball Top 100 Career Home Runs | 0 | - | 4.08 | 31,554 |
| MLB World Series Winners Since 2000 | 0 | - | 4.04 | 70,323 |
| MLB Teams That Have Never Won The World Series | 0 | - | 4.19 | 27,456 |
| FIFA World Cup Host Countries | 0 | - | 4.97 | 238,229 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,697 |
| Countries by Founding Story | 0 | - | 4.95 | 76,933 |
| Independence from Whom | 0 | - | 4.99 | 210,968 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,441 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,271 |
| Most Popular High School Sports (U.S.) | 0 | - | 4.69 | 143,526 |
| NFL Football Teams Quiz | 0 | - | 4.98 | 2,283,544 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,568,019 |
| NHL Hockey Teams Quiz | 0 | - | 4.90 | 648,273 |
| MLB Baseball Team Names by Clue | 0 | - | 4.35 | 67,477 |
| NBA MVPs Quiz | 0 | - | 4.92 | 1,233,528 |
| All-NBA First Team Players | 0 | - | 4.83 | 538,766 |
| 2017 News Stories - Name the Country | 0 | - | 4.46 | 28,461 |
| 2018 News Stories - Name the Country | 0 | - | 4.42 | 23,811 |
| NFL Football Team Logos | 0 | - | 4.90 | 624,887 |
| NCAA Football Teams | 0 | - | 4.96 | 385,819 |
| NCAA Basketball Teams | 0 | - | 4.94 | 335,321 |
| MLB Baseball Players by Team History | 0 | - | 3.76 | 11,033 |
| MLB Baseball Analogies | 0 | - | 4.27 | 24,099 |
| MLB Baseball Groups of Things | 0 | - | 4.08 | 18,512 |
| Baseball Word Chain | 0 | - | 4.17 | 16,161 |
| MLB Baseball General Knowledge #2 | 0 | - | 3.92 | 12,500 |
| MLB Baseball Hall of Fame by Team | 0 | - | 4.15 | 10,492 |
| MLB Greatest Player in Team History | 0 | - | 3.77 | 10,381 |
| Olympic Host Countries | 0 | - | 4.98 | 199,776 |
| Formula One World Champions | 0 | - | 4.96 | 388,086 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 306,649 |
| National Football Team Logos | 0 | - | 4.85 | 179,654 |
| MLB Home Run Derby Winners | 0 | - | 3.89 | 9,079 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,262 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,299 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,993 |
| Recently Independent Countries | 0 | - | 4.98 | 158,455 |
| Historical City to Country | 0 | - | 4.84 | 78,362 |
| Countries by Former Name | 0 | - | 4.99 | 124,742 |
| Cities by Former Name | 0 | - | 4.84 | 91,313 |
| North American Sports Champions Since 2000 | 0 | - | 4.47 | 111,295 |
| North American Sports Teams Closest to Each Other | 0 | - | 4.47 | 18,773 |
| Sports by Athlete | 0 | - | 3.74 | 332,336 |
| 2018 FIFA World Cup Results | 0 | - | 4.95 | 131,509 |
| MLB Baseball Players Who Changed Teams | 0 | - | 3.79 | 19,888 |
| MLB Baseball Last Names | 0 | - | 4.19 | 19,008 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,058 |
| MLB Baseball Pitchers with 300 Wins | 0 | - | 3.92 | 27,730 |
| MLB Single Season ERAs Below 2.00 | 0 | - | 3.79 | 13,084 |
| MLB Baseball 20 Win Pitchers | 0 | - | 3.76 | 22,133 |
| MLB Baseball 30-30 Club | 0 | - | 4.00 | 17,535 |
| Last 40 Home Run Hitter by MLB Team | 0 | - | 3.61 | 17,076 |
| Greatest 3-Year Stretches in MLB Baseball History | 0 | - | 3.95 | 11,703 |
| MLB Baseball Home Run Leaders by Decade | 0 | - | 3.90 | 21,027 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,405 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 185,915 |
| Men's Tennis World Number Ones | 0 | - | 4.49 | 61,513 |
| Men's Tennis Champs | 0 | - | 4.70 | 163,598 |
| Formula One Countries Visited | 0 | - | 4.96 | 142,979 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 100,186 |
| FIFA Members That are NOT in the United Nations | 0 | - | 4.54 | 64,337 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,979 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 353,010 |
| Cricket World Cup Top 4 Positions | 0 | - | 4.42 | 50,330 |
| Rugby World Cup Top 4 Positions | 0 | - | 4.75 | 67,230 |
| Countries with Most Olympic Medals in Gymnastics | 0 | - | 4.45 | 59,770 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,479 |
| Former Capitals | 0 | - | 4.88 | 71,314 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,403 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,845 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,054 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,902 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 75,903 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 90,884 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,016 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,290 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,878 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,268 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,147 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,336 |
| American Football Positions Quiz | 0 | - | 4.15 | 127,243 |
| MLB Baseball Team Hits Leaders | 0 | - | 3.96 | 13,754 |
| NBA Championship Starters | 0 | - | 4.64 | 361,746 |
| NBA Champions | 0 | - | 4.48 | 614,206 |
| NBA Finals MVPs | 0 | - | 4.48 | 238,192 |
| 21st Century NBA Champions | 0 | - | 4.43 | 111,028 |
| NBA Top 10 League Leaders of the 2010s | 0 | - | 4.48 | 55,561 |
| NBA 60 Points in a Game | 0 | - | 4.41 | 433,550 |
| NBA All-Time Statistical Leaders | 0 | - | 4.47 | 431,431 |
| Women's Tennis Champs | 0 | - | 4.34 | 89,424 |
| Women's Tennis World Number Ones | 0 | - | 4.42 | 31,385 |
| Golf Major Champions | 0 | - | 4.34 | 93,965 |
| Countries With Men's Major Golf Titles | 0 | - | 4.75 | 16,395 |
| UEFA European Championship Winners | 0 | - | 4.38 | 84,751 |
| Top Goalscorer by Soccer Team | 0 | - | 4.13 | 190,589 |
| 2010 FIFA World Cup Teams | 0 | - | 4.53 | 152,333 |
| FIFA Women's World Cup Top 4 Positions | 0 | - | 4.56 | 65,020 |
| FIFA World Cup All-Time Table | 0 | - | 4.67 | 121,809 |
| Most Expensive Football Transfers Ever | 0 | - | 4.30 | 318,966 |
| Champions League Winners | 0 | - | 4.92 | 1,001,596 |
| Test Match Cricket Record Batsman & Bowlers | 0 | - | 4.45 | 21,552 |
| How to Get Out in Cricket | 0 | - | 4.64 | 30,724 |
| Cricket - Cities That Have Hosted Test Matches | 0 | - | 4.43 | 22,125 |
| Teams Whose Names Don't End in "S" | 0 | - | 4.15 | 37,720 |
| Colorful North American Team Names | 0 | - | 4.03 | 32,397 |
| Track & Field Events at the Olympics | 0 | - | 4.39 | 62,391 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,031 |
| U.S. Celebrity Gossip by Year, 1991–2009 | 0 | - | 3.75 | 38,159 |
| Former Countries | 0 | - | 4.75 | 133,024 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,597 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,477 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,053 |
| Countries by Independence Day | 0 | - | 4.61 | 52,690 |
| Ancient City to Country | 0 | - | 4.70 | 107,831 |
| Former Countries by Capital | 0 | - | 4.45 | 127,274 |
| City-States | 0 | - | 4.53 | 37,199 |
| Battle to Country | 0 | - | 4.91 | 52,994 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,401 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,637 |
| Groups of Things - Sports | 0 | - | 4.27 | 67,636 |
| North American Sports Teams Furthest From Any Other | 0 | - | 4.24 | 9,534 |
| Newest North American Sports Teams | 0 | - | 4.02 | 16,453 |
| Moved North American Sports Franchises | 0 | - | 3.93 | 32,873 |
| Sports Terms #2 | 0 | - | 4.07 | 51,224 |
| Sports Equipment | 0 | - | 3.76 | 62,248 |
| Sports That Don't Use a Ball | 0 | - | 3.91 | 52,281 |
| Discontinued North American Team Names | 0 | - | 4.26 | 17,860 |
| NFL Players by Team History | 0 | - | 4.17 | 89,087 |
| Top 5 Best NFL Teams Since 2000 | 0 | - | 4.28 | 118,230 |
| Top 5 Worst NFL Teams Since 2000 | 0 | - | 4.34 | 145,336 |
| NFL Football General Knowledge | 0 | - | 4.32 | 45,905 |
| NFL Football Teams - One Minute Sprint | 0 | - | 4.41 | 277,388 |
| NFL Quarterbacks - 100 Win Club | 0 | - | 4.49 | 87,880 |
| All NFL Starting Quarterbacks of the 2010s | 0 | - | 4.51 | 129,030 |
| NFL 4,000 Yard Passers | 0 | - | 4.43 | 118,897 |
| Big Ten College Football Teams | 0 | - | 4.24 | 56,464 |
| SEC College Football Teams | 0 | - | 4.15 | 45,753 |
| MLB Baseball A-Z #1 | 0 | - | 4.00 | 23,076 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,632 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,200 |
| Baseball Player Nicknames #1 | 0 | - | 4.05 | 29,409 |
| Baseball Player Nicknames #2 | 0 | - | 4.09 | 16,577 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 95,014 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 85,793 |
| Summer Olympics Top 4 Countries | 0 | - | 4.40 | 47,552 |
| NHL Hockey Top 50 All-Time Goal Scorers | 0 | - | 4.14 | 35,959 |
| NHL Hockey General Knowledge | 0 | - | 4.32 | 34,244 |
| NBA Defensive Players of the Year | 0 | - | 4.42 | 183,356 |
| NBA Players with Three or More Rings Since 1970 | 0 | - | 4.11 | 140,113 |
| NBA Players by Team History | 0 | - | 4.24 | 91,825 |
| NBA 3 Point Contest Winners | 0 | - | 4.05 | 39,080 |
| Debut Teams of NBA Players | 0 | - | 4.18 | 127,681 |
| NBA Teams by City and First Letter | 0 | - | 4.17 | 58,761 |
| Best NBA Centers of All-Time | 0 | - | 4.03 | 59,563 |
| NBA Rookies of the Year | 0 | - | 4.53 | 65,863 |
| Top 5 Best NBA Teams Since 2010 | 0 | - | 4.14 | 178,815 |
| NBA Basketball General Knowledge #2 | 0 | - | 4.10 | 41,480 |
| NBA Team Logos | 0 | - | 4.80 | 684,972 |
