| Which Letter Covers the Biggest Area? | 0 | - | 4.89 | 27,575 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,038,197 |
| Pin US States on a Borderless Map - Sudden Death | 0 | - | 4.99 | 455,179 |
| Pin Europe on a Borderless Map - Sudden Death | 0 | - | 4.98 | 309,380 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,122,674 |
| US States Quiz | 0 | - | 5.00 | 14,775,757 |
| Real People - Sudden Death #2 (U.S.) | 0 | - | 4.51 | 27,551 |
| Word Chain - Cities in Europe | 0 | - | 4.67 | 11,816 |
| Countries Where a Nuclear Weapon Has Exploded | 0 | - | 4.96 | 24,566 |
| Countries with the Most Exports | 0 | - | 4.95 | 125,852 |
| Countries of the Popes | 0 | - | 4.85 | 109,864 |
| World Capitals Quiz | 0 | - | 5.00 | 4,506,521 |
| BRICS Member Countries | 0 | - | 4.91 | 56,821 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,402,464 |
| Every Asian Flag - Sudden Death | 0 | - | 4.89 | 96,947 |
| Real People - Sudden Death #3 | 0 | - | 4.84 | 11,103 |
| Europe Map Quiz | 0 | - | 5.00 | 4,302,314 |
| NBA MVPs Quiz | 0 | - | 4.85 | 1,085,133 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,082,851 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,178,308 |
| Fast Typing A to Z | 0 | - | 4.89 | 5,344,434 |
| Every European Flag - Sudden Death | 0 | - | 4.94 | 209,930 |
| Biggest Cities in the United States | 0 | - | 4.93 | 824,416 |
| United States Map Quiz | 0 | - | 4.98 | 3,907,394 |
| Fast Typing 1 to 100 | 0 | - | 4.91 | 5,065,363 |
| Monopoly Board to Country - Click Quiz #1 | 0 | - | 4.99 | 27,806 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 162,339 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,487,329 |
| Least Peaceful Countries | 0 | - | 4.29 | 131,032 |
| All Country Flags of the World | 0 | - | 5.00 | 2,977,957 |
| Memory Test - Sudden Death | 0 | - | 4.86 | 156,843 |
| Flags of Island Countries - Sudden Death | 0 | - | 4.94 | 41,540 |
| Find The Mystery Country Using Color Clues - Randomized! | 0 | - | 4.98 | 1,864,909 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,162,521 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,395,621 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,335,186 |
| Name a Valid European Capital | 0 | - | 4.94 | 123,965 |
| Biggest Cities in the World | 0 | - | 4.89 | 689,099 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,120,707 |
| Dog Breeds - Sudden Death | 0 | - | 4.52 | 47,160 |
| Random Capital to Country | 0 | - | 4.99 | 2,365,092 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,070,923 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.55 | 91,303 |
| Countries by First and Last Two Letters | 0 | - | 4.91 | 1,585,812 |
| Countries that Start with S | 0 | - | 4.98 | 1,607,762 |
| Africa Map Quiz | 0 | - | 5.00 | 1,942,294 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,312,084 |
| Countries Richer Than Their Neighbors | 0 | - | 4.45 | 64,641 |
| Find The Mystery Country Using Hints - Randomized! | 0 | - | 5.00 | 902,113 |
| Small Countries with Large Economies | 0 | - | 4.71 | 79,128 |
| Champions League Winners | 0 | - | 4.91 | 856,947 |
| U.S. Presidents - Sudden Death | 0 | - | 4.90 | 96,903 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,313,493 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,368,262 |
| Map Hunter - World Cities | 0 | - | 4.99 | 24,336 |
| Countries Larger than Texas - Sudden Death | 0 | - | 4.90 | 74,203 |
| Man Outruns Slow Animals - Sudden Death | 0 | - | 4.88 | 53,992 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,251,166 |
| Landlocked Countries - Sudden Death | 0 | - | 4.96 | 87,615 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 38,597 |
| Countries that Start with M | 0 | - | 4.97 | 1,256,741 |
| The Answer is a Number - Whammies | 0 | - | 4.89 | 59,735 |
| Countries that Start with A | 0 | - | 4.98 | 1,948,051 |
| Countries that Start with E | 0 | - | 4.95 | 1,235,168 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,924,937 |
| True or False - Sudden Death | 0 | - | 4.87 | 85,937 |
| Kpop Groups - Sudden Death | 0 | - | 4.45 | 7,353 |
| Australian Animals - Sudden Death | 0 | - | 4.75 | 48,408 |
| Cities Controlled by the Axis - Sudden Death | 0 | - | 4.91 | 51,293 |
| European Capitals - Sudden Death | 0 | - | 4.56 | 115,671 |
| Cities on Islands - Sudden Death | 0 | - | 4.49 | 35,776 |
| Biggest Cities in Europe | 0 | - | 4.75 | 466,128 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.89 | 80,451 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.72 | 88,285 |
| Countries that Start with B | 0 | - | 4.95 | 2,086,620 |
| South America Map Quiz | 0 | - | 5.00 | 1,423,160 |
| NBA Champions - Sudden Death | 0 | - | 4.53 | 60,652 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,529 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 89,001 |
| 2025 English Premier League Teams | 0 | - | 4.85 | 743,098 |
| Brand Logos Quiz #2 | 0 | - | 4.76 | 1,500,623 |
| China's Neighbours - Sudden Death | 0 | - | 4.75 | 83,961 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,932,902 |
| NFL Football Teams Quiz | 0 | - | 4.97 | 2,069,067 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.57 | 97,902 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,530,887 |
| Pope Facts | 0 | - | 4.41 | 27,471 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,577,588 |
| Quick Division Mad Minute - Sudden Death | 0 | - | 4.39 | 69,707 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 161,982 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 30,637 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,739 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.97 | 91,230 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.70 | 116,725 |
| Countries that Start with N | 0 | - | 4.93 | 1,000,484 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,858 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 852,728 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 608,238 |
| Be Happy - Sudden Death | 0 | - | 4.89 | 65,158 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,385,975 |
| North American Pro Sports Teams – Sudden Death | 0 | - | 4.60 | 33,078 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 145,498 |
| Muslim Countries - Sudden Death | 0 | - | 4.79 | 27,286 |
| Elements - Sudden Death | 0 | - | 4.91 | 63,933 |
| NATO Military Alphabet by Clue | 0 | - | 4.94 | 1,649 |
| Multiple Choice Color Identification | 0 | - | 4.17 | 25,335 |
| NATO Members - Sudden Death | 0 | - | 4.55 | 87,834 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,561 |
| Countries with the Most Murders | 0 | - | 4.54 | 136,808 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 21,307 |
| 12 Months in 15 Seconds | 0 | - | 4.10 | 4,167,881 |
| Countries that Start with G | 0 | - | 4.97 | 1,354,691 |
| Roman Cities – Sudden Death | 0 | - | 4.96 | 5,134 |
| Monarchies – Sudden Death | 0 | - | 4.85 | 43,595 |
| Whack-A-Mole - Sudden Death | 0 | - | 4.52 | 60,023 |
| Random Name a Valid Country | 0 | - | 4.99 | 169,688 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.94 | 55,541 |
| Countries that Start with C | 0 | - | 4.96 | 1,650,571 |
| Unlock the Final Answer - Geography | 0 | - | 4.58 | 13,519 |
| Blue States - Sudden Death | 0 | - | 4.98 | 53,127 |
| Most Populated Countries - Whammies | 0 | - | 4.98 | 41,142 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 417,422 |
| Mammals - Sudden Death | 0 | - | 4.82 | 55,731 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 128,347 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 510,684 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 185,479 |
| Pin the Flag - South America | 0 | - | 4.99 | 20,301 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.42 | 87,950 |
| Top World Languages | 0 | - | 4.91 | 709,568 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.58 | 69,742 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.40 | 87,395 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,172,335 |
| Northernmost Monkey Populations | 0 | - | 4.83 | 1,714 |
| Spin the World & Guess the Countries | 0 | - | 4.84 | 129,377 |
| Car Parts - Sudden Death | 0 | - | 4.72 | 53,637 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.71 | 58,180 |
| Sudden Death - Sudden Death | 0 | - | 4.95 | 48,542 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 64,568 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 19,695 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 79,646 |
| Countries that Start with P | 0 | - | 4.95 | 1,103,042 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 515,200 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 162,820 |
| Space Invaders Pixel Art #1 - Sudden Death | 0 | - | 4.80 | 53,486 |
| Random Category Elimination - Countries | 0 | - | 4.99 | 335,321 |
| Asia Map Quiz | 0 | - | 4.99 | 787,754 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,540 |
| Random U.S. States on a Map | 0 | - | 4.95 | 493,698 |
| Cities on Interstate 90 on a Map | 0 | - | 4.42 | 28,023 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 124,791 |
| Brand Logos Quiz #4 | 0 | - | 4.44 | 891,054 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,047,497 |
| NHL Hockey Teams Quiz | 0 | - | 4.87 | 573,607 |
| NCAA Football Teams | 0 | - | 4.93 | 316,889 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 71,727 |
| 20th Century Dates – Within 10 Years #2 | 0 | - | 4.85 | 22,750 |
| NBA MVPs - Sudden Death | 0 | - | 4.51 | 65,902 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,009,317 |
| Random Flag to Country | 0 | - | 4.99 | 506,886 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,247,167 |
| Be Sad - Sudden Death | 0 | - | 4.62 | 54,888 |
| Countries in World War II | 0 | - | 4.64 | 813,184 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 455,715 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 70,248 |
| Biggest Countries by Area | 0 | - | 5.00 | 934,832 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.96 | 29,501 |
| Countries that Start with L | 0 | - | 4.98 | 974,212 |
| 20th Century Dates – Within 10 Years #1 | 0 | - | 4.98 | 22,625 |
| Brand Logos Quiz #6 | 0 | - | 4.29 | 664,100 |
| Largest U.S. Cities on International Borders | 0 | - | 4.63 | 1,686 |
| Modern Rappers - Sudden Death | 0 | - | 4.30 | 83,574 |
| Flags With Gravity #1 | 0 | - | 4.97 | 25,012 |
| Most Common Letters of the Alphabet - Whammies | 0 | - | 4.66 | 49,882 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,872 |
| NBA Top 5 MVP Voting By Year | 0 | - | 4.48 | 11,689 |
| Companies by Country | 0 | - | 4.50 | 107,983 |
| "Of Something" Geography | 0 | - | 4.57 | 25,107 |
| Color in the Answer - Click Quiz | 0 | - | 4.84 | 41,892 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,283,049 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.88 | 41,042 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,003,736 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,346,701 |
| Fast Math - Multiplication | 0 | - | 4.78 | 1,034,973 |
| Logos Revealing Logos #1 | 0 | - | 4.98 | 167,207 |
| Real People - Sudden Death #1 | 0 | - | 4.34 | 71,999 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 354,413 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 852,737 |
| Beatles Songs - Sudden Death | 0 | - | 4.65 | 50,903 |
| Formula One World Champions | 0 | - | 4.97 | 300,489 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 28,628 |
| Countries that Start with I | 0 | - | 4.92 | 1,164,807 |
| Random Country to Capital | 0 | - | 4.98 | 804,084 |
| Countries with Glaciers | 0 | - | 4.98 | 96,057 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,188,256 |
| Equatorial Countries - Sudden Death | 0 | - | 4.80 | 43,024 |
| General Knowledge Quiz #233 | 0 | - | 4.66 | 26,277 |
| European Countries - Type the First Letter | 0 | - | 4.93 | 106,645 |
| Flags With Gravity #2 | 0 | - | 4.97 | 21,163 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 65,055 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,549 |
