| Which Letter Covers the Biggest Area? | 0 | - | 4.71 | 24,084 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,023,015 |
| Pin US States on a Borderless Map - Sudden Death | 0 | - | 4.99 | 452,261 |
| Pin Europe on a Borderless Map - Sudden Death | 0 | - | 4.97 | 302,626 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,118,783 |
| US States Quiz | 0 | - | 5.00 | 14,771,300 |
| Countries Where a Nuclear Weapon Has Exploded | 0 | - | 4.95 | 23,263 |
| Countries of the Popes | 0 | - | 4.85 | 109,685 |
| NBA MVPs Quiz | 0 | - | 4.86 | 1,084,402 |
| BRICS Member Countries | 0 | - | 4.90 | 56,303 |
| World Capitals Quiz | 0 | - | 5.00 | 4,505,166 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,401,508 |
| Every Asian Flag - Sudden Death | 0 | - | 4.88 | 96,704 |
| Europe Map Quiz | 0 | - | 5.00 | 4,301,253 |
| Biggest Cities in the United States | 0 | - | 4.93 | 824,053 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,081,350 |
| Least Peaceful Countries | 0 | - | 4.30 | 130,676 |
| Real People - Sudden Death #3 | 0 | - | 4.83 | 9,245 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,177,414 |
| Every European Flag - Sudden Death | 0 | - | 4.94 | 209,490 |
| Fast Typing A to Z | 0 | - | 4.89 | 5,342,966 |
| United States Map Quiz | 0 | - | 4.98 | 3,906,817 |
| Countries with the Most Exports | 0 | - | 4.96 | 124,321 |
| Monopoly Board to Country - Click Quiz #1 | 0 | - | 4.99 | 27,738 |
| Fast Typing 1 to 100 | 0 | - | 4.91 | 5,064,187 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 161,876 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,486,842 |
| All Country Flags of the World | 0 | - | 5.00 | 2,976,231 |
| Flags of Island Countries - Sudden Death | 0 | - | 4.94 | 41,367 |
| Memory Test - Sudden Death | 0 | - | 4.86 | 156,526 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.55 | 91,107 |
| Find The Mystery Country Using Color Clues - Randomized! | 0 | - | 4.98 | 1,864,275 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,161,177 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,394,969 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,334,800 |
| Name a Valid European Capital | 0 | - | 4.94 | 123,820 |
| Real People - Sudden Death #2 (U.S.) | 0 | - | 4.50 | 12,999 |
| Biggest Cities in the World | 0 | - | 4.89 | 688,796 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.37 | 38,388 |
| Word Chain - Cities in Europe | 0 | - | 4.61 | 3,346 |
| Dog Breeds - Sudden Death | 0 | - | 4.52 | 47,032 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,120,116 |
| Random Capital to Country | 0 | - | 4.99 | 2,364,423 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,070,024 |
| Countries by First and Last Two Letters | 0 | - | 4.91 | 1,585,276 |
| Countries Richer Than Their Neighbors | 0 | - | 4.45 | 64,581 |
| Countries that Start with S | 0 | - | 4.98 | 1,607,367 |
| Africa Map Quiz | 0 | - | 5.00 | 1,941,908 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,311,521 |
| Small Countries with Large Economies | 0 | - | 4.71 | 79,093 |
| Find The Mystery Country Using Hints - Randomized! | 0 | - | 5.00 | 901,618 |
| Champions League Winners | 0 | - | 4.91 | 856,614 |
| U.S. Presidents - Sudden Death | 0 | - | 4.90 | 96,564 |
| Man Outruns Slow Animals - Sudden Death | 0 | - | 4.89 | 53,909 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,313,208 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,367,851 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 30,468 |
| Countries Larger than Texas - Sudden Death | 0 | - | 4.90 | 74,067 |
| Map Hunter - World Cities | 0 | - | 4.99 | 23,726 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,250,451 |
| Landlocked Countries - Sudden Death | 0 | - | 4.96 | 87,363 |
| Countries that Start with M | 0 | - | 4.97 | 1,256,380 |
| The Answer is a Number - Whammies | 0 | - | 4.88 | 59,624 |
| Countries that Start with A | 0 | - | 4.98 | 1,947,479 |
| Countries that Start with E | 0 | - | 4.95 | 1,234,770 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,478 |
| True or False - Sudden Death | 0 | - | 4.87 | 85,750 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,924,399 |
| Australian Animals - Sudden Death | 0 | - | 4.75 | 48,316 |
| Biggest Cities in Europe | 0 | - | 4.76 | 465,932 |
| Cities Controlled by the Axis - Sudden Death | 0 | - | 4.91 | 51,175 |
| Cities on Islands - Sudden Death | 0 | - | 4.48 | 35,691 |
| European Capitals - Sudden Death | 0 | - | 4.56 | 115,368 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 88,931 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.89 | 80,279 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.72 | 87,975 |
| NBA Champions - Sudden Death | 0 | - | 4.53 | 60,538 |
| Countries that Start with B | 0 | - | 4.95 | 2,086,086 |
| South America Map Quiz | 0 | - | 5.00 | 1,422,912 |
| Pope Facts | 0 | - | 4.41 | 27,407 |
| 2025 English Premier League Teams | 0 | - | 4.85 | 742,876 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,654 |
| Brand Logos Quiz #2 | 0 | - | 4.76 | 1,500,178 |
| China's Neighbours - Sudden Death | 0 | - | 4.75 | 83,786 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 161,899 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,410 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,932,203 |
| NFL Football Teams Quiz | 0 | - | 4.97 | 2,068,833 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.57 | 97,710 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,530,524 |
| NATO Military Alphabet by Clue | 0 | - | 4.89 | 1,509 |
| Quick Division Mad Minute - Sudden Death | 0 | - | 4.39 | 69,551 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,576,982 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,784 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 145,416 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.97 | 91,012 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.70 | 116,485 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 852,490 |
| Countries that Start with N | 0 | - | 4.92 | 1,000,150 |
| North American Pro Sports Teams – Sudden Death | 0 | - | 4.60 | 32,987 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 607,953 |
| Be Happy - Sudden Death | 0 | - | 4.89 | 65,015 |
| Multiple Choice Color Identification | 0 | - | 4.17 | 25,264 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,385,516 |
| Muslim Countries - Sudden Death | 0 | - | 4.79 | 27,109 |
| Elements - Sudden Death | 0 | - | 4.91 | 63,723 |
| NATO Members - Sudden Death | 0 | - | 4.55 | 87,650 |
| Roman Cities – Sudden Death | 0 | - | 4.96 | 5,049 |
| Countries with the Most Murders | 0 | - | 4.54 | 136,739 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 21,283 |
| Unlock the Final Answer - Geography | 0 | - | 4.58 | 13,418 |
| 12 Months in 15 Seconds | 0 | - | 4.10 | 4,166,906 |
| Northernmost Monkey Populations | 0 | - | 4.83 | 1,630 |
| Countries that Start with G | 0 | - | 4.97 | 1,354,283 |
| Whack-A-Mole - Sudden Death | 0 | - | 4.52 | 59,913 |
| Monarchies – Sudden Death | 0 | - | 4.84 | 42,995 |
| Random Name a Valid Country | 0 | - | 4.99 | 169,597 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.94 | 55,331 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 87,303 |
| Countries that Start with C | 0 | - | 4.96 | 1,650,068 |
| Most Populated Countries - Whammies | 0 | - | 4.98 | 41,095 |
| Blue States - Sudden Death | 0 | - | 4.98 | 53,041 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 128,275 |
| NBA Top 5 MVP Voting By Year | 0 | - | 4.52 | 11,479 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 417,224 |
| Mammals - Sudden Death | 0 | - | 4.82 | 55,648 |
| Cities on Interstate 90 on a Map | 0 | - | 4.41 | 27,971 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 510,440 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 185,392 |
| Pin the Flag - South America | 0 | - | 4.99 | 20,094 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.42 | 87,768 |
| Largest U.S. Cities on International Borders | 0 | - | 4.63 | 1,600 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,467 |
| Top World Languages | 0 | - | 4.91 | 709,295 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.58 | 69,572 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,172,007 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 19,634 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.72 | 58,090 |
| Spin the World & Guess the Countries | 0 | - | 4.84 | 129,134 |
| Car Parts - Sudden Death | 0 | - | 4.72 | 53,491 |
| Sudden Death - Sudden Death | 0 | - | 4.95 | 48,354 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 64,411 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 79,595 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 162,763 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 515,049 |
| Countries that Start with P | 0 | - | 4.95 | 1,102,743 |
| Random Category Elimination - Countries | 0 | - | 4.99 | 335,136 |
| Asia Map Quiz | 0 | - | 4.99 | 787,449 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,797 |
| Space Invaders Pixel Art #1 - Sudden Death | 0 | - | 4.79 | 53,386 |
| Random U.S. States on a Map | 0 | - | 4.95 | 493,463 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 124,728 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,693 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 70,176 |
| Brand Logos Quiz #4 | 0 | - | 4.44 | 890,780 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.96 | 29,421 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,047,107 |
| NHL Hockey Teams Quiz | 0 | - | 4.87 | 573,490 |
| NCAA Football Teams | 0 | - | 4.93 | 316,838 |
| 20th Century Dates – Within 10 Years #2 | 0 | - | 4.85 | 22,723 |
| Countries in World War II | 0 | - | 4.66 | 812,945 |
| NBA MVPs - Sudden Death | 0 | - | 4.51 | 65,811 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 64,964 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,009,160 |
| Random Flag to Country | 0 | - | 4.99 | 506,741 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,246,810 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,463 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 455,603 |
| Be Sad - Sudden Death | 0 | - | 4.61 | 54,798 |
| Biggest Countries by Area | 0 | - | 5.00 | 934,584 |
| 20th Century Dates – Within 10 Years #1 | 0 | - | 4.98 | 22,604 |
| Countries that Start with L | 0 | - | 4.98 | 973,891 |
| Flags With Gravity #1 | 0 | - | 4.97 | 24,978 |
| Brand Logos Quiz #6 | 0 | - | 4.29 | 663,854 |
| Most Common Letters of the Alphabet - Whammies | 0 | - | 4.66 | 49,807 |
| Modern Rappers - Sudden Death | 0 | - | 4.30 | 83,442 |
| Companies by Country | 0 | - | 4.50 | 107,929 |
| "Of Something" Geography | 0 | - | 4.57 | 25,056 |
| Color in the Answer - Click Quiz | 0 | - | 4.84 | 41,824 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,282,846 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.88 | 40,963 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,003,517 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,346,542 |
| Fast Math - Multiplication | 0 | - | 4.78 | 1,034,717 |
| Logos Revealing Logos #1 | 0 | - | 4.98 | 167,113 |
| Beatles Songs - Sudden Death | 0 | - | 4.65 | 50,796 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 354,003 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 852,626 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 28,566 |
| Formula One World Champions | 0 | - | 4.97 | 300,324 |
| Countries with Glaciers | 0 | - | 4.98 | 96,026 |
| Countries that Start with I | 0 | - | 4.92 | 1,164,452 |
| Random Country to Capital | 0 | - | 4.98 | 803,875 |
| General Knowledge Quiz #233 | 0 | - | 4.66 | 26,188 |
| Flags With Gravity #2 | 0 | - | 4.97 | 21,127 |
| U.S. Cities that Americans Leave | 0 | - | 4.45 | 19,878 |
| Equatorial Countries - Sudden Death | 0 | - | 4.80 | 42,933 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,187,834 |
| European Countries - Type the First Letter | 0 | - | 4.93 | 106,466 |
| Real People - Sudden Death #1 | 0 | - | 4.33 | 70,092 |
