| National Football Team Logos | 0 | - | 4.85 | 179,941 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,686 |
| U.S. Cities with Teams from All Four Major Sports | 0 | - | 4.88 | 137,951 |
| MLB Baseball Team Logos | 0 | - | 4.49 | 155,543 |
| Soccer Team Logos | 0 | - | 4.26 | 373,604 |
| International Footballers by Picture | 0 | - | 4.50 | 55,407 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,121 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 997,237 |
| NBA Players by Wikipedia Descriptions | 0 | - | 4.43 | 40,278 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,956 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,165 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,698 |
| Most Valuable Sports Teams | 0 | - | 4.33 | 116,366 |
| MLB Baseball Teams Quiz | 0 | - | 4.91 | 887,699 |
| Baseball Abbreviations | 0 | - | 4.33 | 75,593 |
| Top 100 MLB Baseball Players of All Time | 0 | - | 4.31 | 97,693 |
| Men's Tennis Superlatives | 0 | - | 4.58 | 18,884 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,608 |
| All Teams to Ever Play a FIFA World Cup | 0 | - | 4.95 | 334,824 |
| FIFA World Cup Top 4 Positions | 0 | - | 4.96 | 460,102 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,540 |
| Empires by Maps | 0 | - | 4.98 | 119,954 |
| All Country Flags of the World | 0 | - | 5.00 | 3,648,250 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,313,811 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,914 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 144,447 |
| ESPN Top 100 Athletes of the 20th Century | 0 | - | 3.74 | 40,760 |
| NFL Football Teams Quiz | 0 | - | 4.98 | 2,287,003 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,572,753 |
| NHL Hockey Teams Quiz | 0 | - | 4.90 | 649,791 |
| NBA MVPs Quiz | 0 | - | 4.92 | 1,236,531 |
| All-NBA First Team Players | 0 | - | 4.83 | 539,890 |
| NBA Basketball Families | 0 | - | 4.21 | 35,036 |
| FIFA World Cup Host Countries | 0 | - | 4.98 | 238,574 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,193 |
| Countries by Road Signs | 0 | - | 4.98 | 53,640 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,433 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,478 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,541 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,527 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,780 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,839 |
| North American Pro Sports Teams by City | 0 | - | 4.80 | 46,006 |
| Most Popular High School Sports (U.S.) | 0 | - | 4.69 | 143,768 |
| NFL Football Team Logos | 0 | - | 4.91 | 626,220 |
| NCAA Football Teams | 0 | - | 4.96 | 386,772 |
| NCAA FBS Football Teams on a Map | 0 | - | 4.92 | 107,698 |
| NCAA Basketball Teams | 0 | - | 4.94 | 335,773 |
| Olympic Host Countries | 0 | - | 4.98 | 200,348 |
| NBA Team Logos | 0 | - | 4.81 | 687,053 |
| Formula One World Champions | 0 | - | 4.96 | 389,128 |
| All Formula 1 Ferrari Drivers Ever | 0 | - | 4.43 | 19,088 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,923 |
| Flags with Crescents | 0 | - | 4.98 | 169,066 |
| Country Flag Trivia | 0 | - | 4.81 | 56,766 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,412 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,236 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,032 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,101 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,008 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,608 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,417 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,849 |
| Countries with NO Military | 0 | - | 4.97 | 61,946 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,777 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,972 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,504 |
| Monarchies of the World | 0 | - | 4.94 | 168,234 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,332 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,577 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,095 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,999 |
| Disney Animated Characters | 0 | - | 4.88 | 600,965 |
| People on Money by Country | 0 | - | 4.83 | 60,281 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,390 |
| Fast Math - Addition | 0 | - | 4.87 | 522,160 |
| NATO Countries | 0 | - | 4.98 | 279,238 |
| EU Countries Quiz | 0 | - | 4.99 | 272,853 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,714 |
| 7 Deadly Sins | 0 | - | 4.88 | 399,113 |
| Books of the Protestant Bible | 0 | - | 4.89 | 209,419 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,152 |
| Astronomy Quiz | 0 | - | 4.90 | 82,387 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,890 |
| Solar System Trivia | 0 | - | 4.93 | 46,489 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,550 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,245 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 130,002 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 167,492 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,371 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.83 | 39,583 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,162 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,397 |
| North American Sports Champions Since 2000 | 0 | - | 4.47 | 111,504 |
| North American Sports Teams Closest to Each Other | 0 | - | 4.47 | 18,830 |
| Sports by Athlete | 0 | - | 3.74 | 332,543 |
| American Football A-Z | 0 | - | 4.26 | 14,502 |
| 2018 FIFA World Cup Results | 0 | - | 4.95 | 131,947 |
| College Sports Logos Quiz #1 | 0 | - | 4.33 | 279,121 |
| College Sports Logos #2 | 0 | - | 4.08 | 161,980 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,080 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,847 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 186,657 |
| Men's Tennis World Number Ones | 0 | - | 4.49 | 61,583 |
| Men's Tennis Champs | 0 | - | 4.70 | 163,816 |
| Formula One Countries Visited | 0 | - | 4.96 | 143,260 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 100,582 |
| All F1 Grand Prix Winners | 0 | - | 4.85 | 89,909 |
| FIFA Members That are NOT in the United Nations | 0 | - | 4.55 | 64,458 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,381 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,182 |
| Champions League Winners | 0 | - | 4.92 | 1,003,713 |
| Rugby World Cup Top 4 Positions | 0 | - | 4.75 | 67,317 |
| Countries with Most Olympic Medals in Gymnastics | 0 | - | 4.46 | 59,824 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,255 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,867 |
| Years in History by Picture | 0 | - | 4.44 | 35,438 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,316 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,298 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,917 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,420 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,348 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,244 |
| Flags of Oceania | 0 | - | 5.00 | 258,154 |
| Flags of North and South America | 0 | - | 4.99 | 371,882 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,904 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,284 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,547 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,069 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,044 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,993 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,677 |
| Flags to Languages | 0 | - | 4.95 | 173,386 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,775 |
| Former Flags | 0 | - | 4.97 | 107,463 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,180 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,431 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,182 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,883 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,348 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,618 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,002 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,208 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,264 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,572 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,783 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,885 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,667 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,261 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,355 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,721 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,880 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,659 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,439 |
| World Coats of Arms | 0 | - | 4.99 | 64,335 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,646 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,997 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,499 |
| Pixelated World Map | 0 | - | 5.00 | 143,139 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,888 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,388 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,324 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,291 |
| Military History Vocabulary | 0 | - | 4.91 | 67,032 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,120 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 143,937 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,512 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,229 |
| Coldest Countries | 0 | - | 4.97 | 138,294 |
| Coldest World Capitals | 0 | - | 4.95 | 133,456 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,489 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,610 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,151 |
| World Currency Quiz | 0 | - | 4.91 | 301,893 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,610 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,172 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,882 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,089 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,354 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,399 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,274 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,645 |
| Richest Island Countries | 0 | - | 4.84 | 100,297 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,689 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,260 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,287 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,029 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,348 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,168 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,133 |
| Buddhist Countries | 0 | - | 4.96 | 143,713 |
| The Sun Quiz | 0 | - | 4.93 | 34,516 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,095,766 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,866 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,232 |
| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 5.00 | 27,974 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 48,079 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,706 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,718 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,044 |
