| Formula One Teams by Logos | 0 | - | 4.49 | 98,690 |
| National Football Team Logos | 0 | - | 4.85 | 179,903 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,656 |
| U.S. Cities with Teams from All Four Major Sports | 0 | - | 4.88 | 137,905 |
| MLB Baseball Team Logos | 0 | - | 4.49 | 155,496 |
| Soccer Team Logos | 0 | - | 4.26 | 373,524 |
| International Footballers by Picture | 0 | - | 4.50 | 55,375 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,065 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 997,007 |
| NBA Players by Wikipedia Descriptions | 0 | - | 4.43 | 40,266 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,927 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,138 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,688 |
| Most Valuable Sports Teams | 0 | - | 4.33 | 116,353 |
| MLB Baseball Teams Quiz | 0 | - | 4.91 | 887,582 |
| Baseball Abbreviations | 0 | - | 4.33 | 75,590 |
| Top 100 MLB Baseball Players of All Time | 0 | - | 4.31 | 97,678 |
| Men's Tennis Superlatives | 0 | - | 4.58 | 18,878 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,601 |
| All Teams to Ever Play a FIFA World Cup | 0 | - | 4.95 | 334,749 |
| FIFA World Cup Top 4 Positions | 0 | - | 4.96 | 459,986 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,500 |
| Empires by Maps | 0 | - | 4.98 | 119,896 |
| All Country Flags of the World | 0 | - | 5.00 | 3,646,519 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,313,491 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,870 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 144,341 |
| ESPN Top 100 Athletes of the 20th Century | 0 | - | 3.74 | 40,760 |
| NFL Football Teams Quiz | 0 | - | 4.98 | 2,286,747 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,572,267 |
| NHL Hockey Teams Quiz | 0 | - | 4.90 | 649,642 |
| NBA MVPs Quiz | 0 | - | 4.92 | 1,236,239 |
| All-NBA First Team Players | 0 | - | 4.83 | 539,778 |
| NBA Basketball Families | 0 | - | 4.21 | 35,030 |
| FIFA World Cup Host Countries | 0 | - | 4.98 | 238,531 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,183 |
| Countries by Road Signs | 0 | - | 4.98 | 53,616 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,418 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,163 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,378 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,418 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,771 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,789 |
| North American Pro Sports Teams by City | 0 | - | 4.80 | 45,984 |
| Most Popular High School Sports (U.S.) | 0 | - | 4.69 | 143,735 |
| NFL Football Team Logos | 0 | - | 4.91 | 626,102 |
| NCAA Football Teams | 0 | - | 4.96 | 386,685 |
| NCAA FBS Football Teams on a Map | 0 | - | 4.92 | 107,654 |
| NCAA Basketball Teams | 0 | - | 4.94 | 335,725 |
| Olympic Host Countries | 0 | - | 4.98 | 200,273 |
| NBA Team Logos | 0 | - | 4.81 | 686,828 |
| Formula One World Champions | 0 | - | 4.96 | 389,007 |
| All Formula 1 Ferrari Drivers Ever | 0 | - | 4.43 | 19,081 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,777 |
| Flags with Crescents | 0 | - | 4.98 | 168,993 |
| Country Flag Trivia | 0 | - | 4.81 | 56,741 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,365 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,206 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,985 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,073 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,590 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,317 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,712 |
| Countries with NO Military | 0 | - | 4.97 | 61,913 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,651 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,905 |
| Countries with the Least Dense Road Networks | 0 | - | 4.81 | 41,500 |
| Monarchies of the World | 0 | - | 4.94 | 168,170 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,316 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,550 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,069 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,990 |
| Disney Animated Characters | 0 | - | 4.88 | 600,920 |
| People on Money by Country | 0 | - | 4.83 | 60,258 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,372 |
| Fast Math - Addition | 0 | - | 4.87 | 522,071 |
| NATO Countries | 0 | - | 4.98 | 279,123 |
| EU Countries Quiz | 0 | - | 4.99 | 272,724 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,638 |
| 7 Deadly Sins | 0 | - | 4.88 | 398,975 |
| Books of the Protestant Bible | 0 | - | 4.89 | 209,335 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,005 |
| Astronomy Quiz | 0 | - | 4.90 | 82,363 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,839 |
| Solar System Trivia | 0 | - | 4.93 | 46,468 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,541 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,219 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,944 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 167,416 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,342 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.83 | 39,560 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,151 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,394 |
| North American Sports Champions Since 2000 | 0 | - | 4.47 | 111,482 |
| North American Sports Teams Closest to Each Other | 0 | - | 4.47 | 18,819 |
| Sports by Athlete | 0 | - | 3.74 | 332,522 |
| American Football A-Z | 0 | - | 4.26 | 14,502 |
| 2018 FIFA World Cup Results | 0 | - | 4.95 | 131,902 |
| College Sports Logos Quiz #1 | 0 | - | 4.33 | 279,103 |
| College Sports Logos #2 | 0 | - | 4.08 | 161,972 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,080 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,802 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 186,570 |
| Men's Tennis World Number Ones | 0 | - | 4.49 | 61,569 |
| Men's Tennis Champs | 0 | - | 4.70 | 163,786 |
| Formula One Countries Visited | 0 | - | 4.96 | 143,225 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 100,530 |
| All F1 Grand Prix Winners | 0 | - | 4.85 | 89,872 |
| FIFA Members That are NOT in the United Nations | 0 | - | 4.55 | 64,439 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,330 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,068 |
| Champions League Winners | 0 | - | 4.92 | 1,003,504 |
| Rugby World Cup Top 4 Positions | 0 | - | 4.75 | 67,300 |
| Countries with Most Olympic Medals in Gymnastics | 0 | - | 4.46 | 59,816 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,230 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,854 |
| Years in History by Picture | 0 | - | 4.44 | 35,428 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,288 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,277 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,469 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,214 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,341 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,003 |
| Flags of Oceania | 0 | - | 5.00 | 258,062 |
| Flags of North and South America | 0 | - | 4.99 | 371,749 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,878 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,243 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,512 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,030 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,020 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,958 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,633 |
| Flags to Languages | 0 | - | 4.95 | 173,343 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,740 |
| Former Flags | 0 | - | 4.97 | 107,438 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,162 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,397 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,162 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,866 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,328 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,606 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,987 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,188 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,237 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,545 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,761 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,858 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,644 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,223 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,337 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,712 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,861 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,649 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,436 |
| World Coats of Arms | 0 | - | 4.99 | 64,313 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,624 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,985 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,472 |
| Pixelated World Map | 0 | - | 5.00 | 143,118 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,882 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,376 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,309 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,276 |
| Military History Vocabulary | 0 | - | 4.91 | 67,015 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,081 |
| Countries with the Most Skyscrapers | 0 | - | 4.92 | 143,906 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,502 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,207 |
| Coldest Countries | 0 | - | 4.97 | 138,260 |
| Coldest World Capitals | 0 | - | 4.95 | 133,443 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,484 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,602 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,147 |
| World Currency Quiz | 0 | - | 4.91 | 301,765 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,560 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,135 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,859 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,055 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,323 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,363 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,260 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,624 |
| Richest Island Countries | 0 | - | 4.84 | 100,268 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,654 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,237 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,115 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,003 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,328 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,135 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,099 |
| Buddhist Countries | 0 | - | 4.96 | 143,673 |
| The Sun Quiz | 0 | - | 4.93 | 34,469 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,095,588 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,857 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,201 |
| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 5.00 | 27,966 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 48,074 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,231 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,260 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,666 |
