| Countries of the World Quiz | 0 | - | 5.00 | 40,786,258 |
| Pin US States on a Borderless Map - Sudden Death | 0 | - | 4.99 | 383,097 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,057,234 |
| US States Quiz | 0 | - | 5.00 | 14,691,149 |
| Pin Europe on a Borderless Map - Sudden Death | 0 | - | 4.98 | 118,978 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 67,676 |
| Countries of the Popes | 0 | - | 4.76 | 86,529 |
| World Capitals Quiz | 0 | - | 5.00 | 4,486,399 |
| Monopoly Board to Country - Click Quiz #1 | 0 | - | 4.99 | 26,533 |
| Every Asian Flag - Sudden Death | 0 | - | 4.92 | 91,347 |
| BRICS Member Countries | 0 | - | 4.89 | 35,954 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,383,394 |
| Europe Map Quiz | 0 | - | 5.00 | 4,281,915 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,055,285 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 142,921 |
| Every European Flag - Sudden Death | 0 | - | 4.94 | 202,856 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,160,494 |
| Top Crude Oil Producing Countries | 0 | - | 4.88 | 160,064 |
| Fast Typing A to Z | 0 | - | 4.89 | 5,307,589 |
| United States Map Quiz | 0 | - | 4.98 | 3,896,245 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.95 | 27,028 |
| Fast Typing 1 to 100 | 0 | - | 4.90 | 5,035,312 |
| Flags of Island Countries - Sudden Death | 0 | - | 4.93 | 38,273 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 157,474 |
| Small Countries with Large Economies | 0 | - | 4.71 | 78,252 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,478,050 |
| All Country Flags of the World | 0 | - | 5.00 | 2,951,703 |
| Memory Test - Sudden Death | 0 | - | 4.85 | 150,244 |
| Dog Breeds - Sudden Death | 0 | - | 4.52 | 44,879 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 67,806 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.97 | 4,715 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 87,846 |
| Biggest Cities in the World | 0 | - | 4.89 | 684,857 |
| Find The Mystery Country Using Color Clues - Randomized! | 0 | - | 4.98 | 1,851,832 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,138,295 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,327,541 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,381,494 |
| Roman Cities – Sudden Death | 0 | - | 4.91 | 2,989 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,107,473 |
| Random Capital to Country | 0 | - | 4.99 | 2,355,438 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,055,289 |
| Countries by First and Last Two Letters | 0 | - | 4.90 | 1,575,154 |
| Countries that Start with S | 0 | - | 4.98 | 1,601,552 |
| Africa Map Quiz | 0 | - | 5.00 | 1,934,951 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,297,761 |
| Five Poorest Countries by Continent | 0 | - | 4.95 | 165,407 |
| Man Outruns Slow Animals - Sudden Death | 0 | - | 4.89 | 51,897 |
| Find The Mystery Country Using Hints - Randomized! | 0 | - | 5.00 | 889,783 |
| Countries Richer Than Their Neighbors | 0 | - | 4.43 | 53,708 |
| Multiple Choice Color Identification | 0 | - | 4.21 | 22,600 |
| Countries Larger than Texas - Sudden Death | 0 | - | 4.91 | 71,252 |
| Biggest Cities in Europe | 0 | - | 4.75 | 463,044 |
| Cities on Islands - Sudden Death | 0 | - | 4.48 | 34,483 |
| U.S. Presidents - Sudden Death | 0 | - | 4.89 | 92,902 |
| Pope Facts | 0 | - | 4.48 | 20,236 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,308,601 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,360,354 |
| Landlocked Countries - Sudden Death | 0 | - | 4.96 | 84,551 |
| NBA MVPs Quiz | 0 | - | 4.85 | 1,074,554 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,235,029 |
| The Answer is a Number - Whammies | 0 | - | 4.87 | 58,157 |
| Australian Animals - Sudden Death | 0 | - | 4.76 | 46,611 |
| North American Pro Sports Teams – Sudden Death | 0 | - | 4.65 | 31,046 |
| Cities Controlled by the Axis - Sudden Death | 0 | - | 4.91 | 49,604 |
| Countries that Start with M | 0 | - | 4.97 | 1,251,504 |
| True or False - Sudden Death | 0 | - | 4.87 | 83,425 |
| Countries that Start with A | 0 | - | 4.98 | 1,939,124 |
| Countries that Start with E | 0 | - | 4.95 | 1,229,316 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,916,651 |
| European Capitals - Sudden Death | 0 | - | 4.55 | 111,658 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 127,146 |
| NBA Champions - Sudden Death | 0 | - | 4.52 | 54,951 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.86 | 77,818 |
| Countries that Start with B | 0 | - | 4.95 | 2,077,678 |
| South America Map Quiz | 0 | - | 5.00 | 1,417,293 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 20,745 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.70 | 81,082 |
| China's Neighbours - Sudden Death | 0 | - | 4.75 | 81,544 |
| Quick Division Mad Minute - Sudden Death | 0 | - | 4.39 | 67,022 |
| 2025 English Premier League Teams | 0 | - | 4.85 | 737,966 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.57 | 95,160 |
| Brand Logos Quiz #2 | 0 | - | 4.76 | 1,490,338 |
| Countries with the Most Murders | 0 | - | 4.55 | 135,819 |
| NFL Football Teams Quiz | 0 | - | 4.97 | 2,060,335 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,922,121 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,524,303 |
| Muslim Countries - Sudden Death | 0 | - | 4.79 | 24,520 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,565,820 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.97 | 88,313 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.70 | 113,379 |
| Be Happy - Sudden Death | 0 | - | 4.88 | 63,181 |
| Countries that Start with N | 0 | - | 4.93 | 995,737 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 846,197 |
| Elements - Sudden Death | 0 | - | 4.90 | 61,323 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,378,593 |
| NATO Members - Sudden Death | 0 | - | 4.54 | 85,466 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 602,308 |
| Name a Valid European Capital | 0 | - | 4.92 | 105,246 |
| Biggest Cities in the United States | 0 | - | 4.92 | 813,906 |
| Australia States and Territories by Abbreviation | 0 | - | 4.90 | 1,555 |
| Most Populated Countries - Whammies | 0 | - | 4.99 | 40,055 |
| Whack-A-Mole - Sudden Death | 0 | - | 4.51 | 58,161 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 161,795 |
| 12 Months in 15 Seconds | 0 | - | 4.10 | 4,140,927 |
| Countries that Start with G | 0 | - | 4.97 | 1,348,602 |
| Random Name a Valid Country | 0 | - | 4.99 | 167,962 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.94 | 53,708 |
| Blue States - Sudden Death | 0 | - | 4.98 | 51,626 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 184,006 |
| Mammals - Sudden Death | 0 | - | 4.82 | 53,963 |
| Countries that Start with C | 0 | - | 4.96 | 1,643,039 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 413,142 |
| NHL Hockey Teams - One Minute Sprint | 0 | - | 4.33 | 12,582 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,133 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 505,656 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.41 | 85,328 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.58 | 67,209 |
| Top World Languages | 0 | - | 4.91 | 705,024 |
| Car Parts - Sudden Death | 0 | - | 4.72 | 51,315 |
| Poorest Countries with Exceptions | 0 | - | 4.63 | 102,316 |
| Champions League Winners | 0 | - | 4.91 | 849,226 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,166,478 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 62,368 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.68 | 56,387 |
| 20th Century Dates – Within 10 Years #2 | 0 | - | 4.84 | 22,035 |
| Sudden Death - Sudden Death | 0 | - | 4.94 | 46,049 |
| NHL Hockey Team Names by Clue | 0 | - | 4.37 | 72,727 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 123,698 |
| U.S. Monopoly Board Game Trivia | 0 | - | 4.59 | 7,428 |
| Spin the World & Guess the Countries | 0 | - | 4.83 | 124,907 |
| Space Invaders Pixel Art #1 - Sudden Death | 0 | - | 4.81 | 51,290 |
| Top 10 Richest Countries in Asia | 0 | - | 4.88 | 80,125 |
| 20th Century Dates – Within 10 Years #1 | 0 | - | 4.98 | 22,046 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 512,215 |
| "Of Something" Geography | 0 | - | 4.57 | 24,258 |
| Countries that Start with P | 0 | - | 4.95 | 1,098,505 |
| Companies by Country | 0 | - | 4.49 | 107,111 |
| Asia Map Quiz | 0 | - | 4.99 | 782,625 |
| Random Category Elimination - Countries | 0 | - | 4.98 | 331,413 |
| Random U.S. States on a Map | 0 | - | 4.95 | 487,699 |
| Brand Logos Quiz #4 | 0 | - | 4.44 | 884,645 |
| Flags With Gravity #1 | 0 | - | 4.97 | 24,219 |
| NCAA Football Teams | 0 | - | 4.93 | 314,716 |
| Chancellors of Germany, 1949–present | 0 | - | 4.59 | 15,119 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,040,829 |
| NHL Hockey Teams Quiz | 0 | - | 4.87 | 570,262 |
| Be Sad - Sudden Death | 0 | - | 4.61 | 53,442 |
| Pin the Flag - South America | 0 | - | 4.99 | 14,545 |
| Most Common Letters of the Alphabet - Whammies | 0 | - | 4.66 | 48,366 |
| NBA MVPs - Sudden Death | 0 | - | 4.52 | 62,102 |
| Word Shortenings #1 | 0 | - | 4.25 | 123,796 |
| Biggest Countries with No McDonald's | 0 | - | 4.86 | 75,035 |
| Countries in World War II | 0 | - | 4.66 | 808,388 |
| Northernmost Countries Where It Doesn't Snow | 0 | - | 4.66 | 14,551 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,006,384 |
| Countries With Same-Sex Marriage – Sudden Death | 0 | - | 4.13 | 46,704 |
| Random Flag to Country | 0 | - | 4.99 | 503,632 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 453,621 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.63 | 1,241,975 |
| Multiple Choice City Quiz – Vatican City | 0 | - | 4.84 | 1,999 |
| Countries with Glaciers | 0 | - | 4.98 | 95,449 |
| Modern Rappers - Sudden Death | 0 | - | 4.29 | 80,779 |
| Color in the Answer - Click Quiz | 0 | - | 4.84 | 40,551 |
| Biggest Countries by Area | 0 | - | 5.00 | 930,560 |
| Countries that Start with L | 0 | - | 4.98 | 969,236 |
| Cities that End in R by Clue | 0 | - | 4.63 | 13,313 |
| Brand Logos Quiz #6 | 0 | - | 4.29 | 658,505 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 27,704 |
| Flags With Gravity #2 | 0 | - | 4.97 | 20,381 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.87 | 39,840 |
| General Knowledge Quiz #233 | 0 | - | 4.66 | 24,705 |
| Real People - Sudden Death #1 | 0 | - | 4.36 | 67,052 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,279,267 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.85 | 65,621 |
| Beatles Songs - Sudden Death | 0 | - | 4.64 | 48,826 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 999,653 |
| State Quiz - Pennsylvania | 0 | - | 4.49 | 41,990 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,342,189 |
| Logos Revealing Logos #1 | 0 | - | 4.98 | 164,922 |
| Fast Math - Multiplication | 0 | - | 4.78 | 1,030,475 |
| Equatorial Countries – Sudden Death | 0 | - | 4.79 | 41,646 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 850,073 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,179,991 |
| Formula One World Champions | 0 | - | 4.97 | 297,421 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 347,275 |
| Random Country to Capital | 0 | - | 4.98 | 800,240 |
| Countries that Start with I | 0 | - | 4.92 | 1,159,281 |
| Series of Things #1 | 0 | - | 4.38 | 88,336 |
| Alphanumeric Answers | 0 | - | 4.79 | 18,671 |
| Countries with the Fastest Marathoners | 0 | - | 4.50 | 85,496 |
| Oscar Best Animated Films by Picture | 0 | - | 4.79 | 100,203 |
| NBA Rookies of the Year | 0 | - | 4.45 | 50,735 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 354,288 |
| Countries that Start with T | 0 | - | 4.88 | 908,051 |
| Questions in Music | 0 | - | 4.38 | 46,505 |
| Tom Hanks Movies - Sudden Death | 0 | - | 4.61 | 44,724 |
| Country Shape Quiz #1 | 0 | - | 4.92 | 835,107 |
| Birds - Sudden Death | 0 | - | 4.50 | 49,422 |
| Multiple Choice City Quiz – Taipei | 0 | - | 4.88 | 1,312 |
| Countries that Beat the United States | 0 | - | 4.92 | 145,198 |
