| Formula One Teams by Logos | 0 | - | 4.49 | 97,579 |
| National Football Team Logos | 0 | - | 4.85 | 179,121 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,730 |
| U.S. Cities with Teams from All Four Major Sports | 0 | - | 4.88 | 136,938 |
| MLB Baseball Team Logos | 0 | - | 4.49 | 154,177 |
| Soccer Team Logos | 0 | - | 4.26 | 371,777 |
| International Footballers by Picture | 0 | - | 4.50 | 54,951 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,715 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 991,278 |
| NBA Players by Wikipedia Descriptions | 0 | - | 4.43 | 40,062 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,626 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,862 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,584 |
| Most Valuable Sports Teams | 0 | - | 4.34 | 115,536 |
| MLB Baseball Teams Quiz | 0 | - | 4.91 | 883,832 |
| Baseball Abbreviations | 0 | - | 4.32 | 75,392 |
| Top 100 MLB Baseball Players of All Time | 0 | - | 4.31 | 97,267 |
| Men's Tennis Superlatives | 0 | - | 4.58 | 18,805 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,285 |
| All Teams to Ever Play a FIFA World Cup | 0 | - | 4.95 | 333,161 |
| FIFA World Cup Top 4 Positions | 0 | - | 4.96 | 457,116 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,901 |
| Empires by Maps | 0 | - | 4.98 | 118,950 |
| All Country Flags of the World | 0 | - | 5.00 | 3,617,385 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,307,877 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,908 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 142,188 |
| ESPN Top 100 Athletes of the 20th Century | 0 | - | 3.74 | 40,698 |
| NFL Football Teams Quiz | 0 | - | 4.98 | 2,279,196 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,561,857 |
| NHL Hockey Teams Quiz | 0 | - | 4.90 | 646,159 |
| NBA MVPs Quiz | 0 | - | 4.92 | 1,229,313 |
| All-NBA First Team Players | 0 | - | 4.83 | 537,262 |
| NBA Basketball Families | 0 | - | 4.21 | 34,879 |
| FIFA World Cup Host Countries | 0 | - | 4.98 | 237,556 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,062 |
| Countries by Road Signs | 0 | - | 4.98 | 53,272 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,165 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,126 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,725 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,601 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,612 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,120 |
| North American Pro Sports Teams by City | 0 | - | 4.80 | 45,534 |
| Most Popular High School Sports (U.S.) | 0 | - | 4.69 | 143,118 |
| NFL Football Team Logos | 0 | - | 4.91 | 623,138 |
| NCAA Football Teams | 0 | - | 4.95 | 384,240 |
| NCAA FBS Football Teams on a Map | 0 | - | 4.92 | 106,623 |
| NCAA Basketball Teams | 0 | - | 4.94 | 334,681 |
| Olympic Host Countries | 0 | - | 4.98 | 199,207 |
| Formula One World Champions | 0 | - | 4.96 | 386,377 |
| All Formula 1 Ferrari Drivers Ever | 0 | - | 4.43 | 18,940 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 304,871 |
| Flags with Crescents | 0 | - | 4.98 | 168,005 |
| Country Flag Trivia | 0 | - | 4.81 | 56,167 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,704 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,682 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,229 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,653 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,232 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,733 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,453 |
| Countries with NO Military | 0 | - | 4.97 | 61,368 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,278 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,118 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,379 |
| Monarchies of the World | 0 | - | 4.94 | 167,069 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,931 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,162 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,663 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,777 |
| Disney Animated Characters | 0 | - | 4.88 | 599,837 |
| People on Money by Country | 0 | - | 4.83 | 60,084 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,047 |
| Fast Math - Addition | 0 | - | 4.87 | 520,824 |
| NATO Countries | 0 | - | 4.98 | 277,223 |
| EU Countries Quiz | 0 | - | 4.99 | 270,906 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,598 |
| 7 Deadly Sins | 0 | - | 4.88 | 396,732 |
| Books of the Protestant Bible | 0 | - | 4.89 | 208,008 |
| Majority Muslim Countries | 0 | - | 4.98 | 370,863 |
| Astronomy Quiz | 0 | - | 4.90 | 81,964 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,101 |
| Solar System Trivia | 0 | - | 4.93 | 46,217 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,296 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,924 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,099 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 166,075 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 86,904 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 39,235 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 116,925 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,311 |
| North American Sports Champions Since 2000 | 0 | - | 4.47 | 110,936 |
| North American Sports Teams Closest to Each Other | 0 | - | 4.47 | 18,672 |
| Sports by Athlete | 0 | - | 3.74 | 332,020 |
| American Football A-Z | 0 | - | 4.26 | 14,484 |
| 2018 FIFA World Cup Results | 0 | - | 4.95 | 130,696 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,029 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,015 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 184,832 |
| Men's Tennis World Number Ones | 0 | - | 4.49 | 61,418 |
| Men's Tennis Champs | 0 | - | 4.69 | 163,316 |
| Formula One Countries Visited | 0 | - | 4.96 | 142,492 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 99,673 |
| All F1 Grand Prix Winners | 0 | - | 4.88 | 89,341 |
| FIFA Members That are NOT in the United Nations | 0 | - | 4.55 | 64,116 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,342 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 351,395 |
| Champions League Winners | 0 | - | 4.92 | 998,757 |
| Cricket World Cup Top 4 Positions | 0 | - | 4.42 | 50,234 |
| Rugby World Cup Top 4 Positions | 0 | - | 4.74 | 67,110 |
| Countries with Most Olympic Medals in Gymnastics | 0 | - | 4.45 | 59,679 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,905 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,708 |
| Years in History by Picture | 0 | - | 4.44 | 35,218 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,917 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,902 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,145 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,448 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,161 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,238 |
| Flags of Oceania | 0 | - | 5.00 | 256,200 |
| Flags of North and South America | 0 | - | 4.99 | 368,956 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,218 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,507 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,889 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,383 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,162 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,064 |
| Flags to Languages | 0 | - | 4.95 | 172,787 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,929 |
| Former Flags | 0 | - | 4.97 | 106,960 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,675 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,030 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,785 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,518 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,992 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,404 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,797 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,914 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,877 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,170 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,349 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,480 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,229 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,700 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,085 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,534 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,594 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,464 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,333 |
| World Coats of Arms | 0 | - | 4.99 | 64,030 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,263 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,623 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,042 |
| Pixelated World Map | 0 | - | 5.00 | 142,692 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,769 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,175 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,951 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,962 |
| Military History Vocabulary | 0 | - | 4.91 | 66,755 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,537 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 143,602 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,387 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 103,946 |
| Coldest Countries | 0 | - | 4.97 | 137,437 |
| Coldest World Capitals | 0 | - | 4.95 | 133,149 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,330 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,440 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,068 |
| World Currency Quiz | 0 | - | 4.92 | 299,582 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,461 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,445 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,251 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,484 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,906 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,777 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,698 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,308 |
| Richest Island Countries | 0 | - | 4.84 | 99,788 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,920 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,827 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 266,386 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,479 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,913 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,583 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,582 |
| Buddhist Countries | 0 | - | 4.96 | 143,199 |
| The Sun Quiz | 0 | - | 4.93 | 34,245 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,092,453 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,732 |
| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 4.99 | 27,875 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 47,898 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,797 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,399 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,132 |
| Countries that Start with D | 0 | - | 4.96 | 703,502 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,839 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,294 |
| Countries that Start with H | 0 | - | 4.96 | 599,569 |
