| Which Letter Covers the Biggest Area? | 0 | - | 4.86 | 27,221 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,035,918 |
| Pin US States on a Borderless Map - Sudden Death | 0 | - | 4.99 | 454,593 |
| Pin Europe on a Borderless Map - Sudden Death | 0 | - | 4.97 | 308,586 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,122,239 |
| US States Quiz | 0 | - | 5.00 | 14,775,211 |
| Countries with the Most Exports | 0 | - | 4.95 | 125,729 |
| Countries Where a Nuclear Weapon Has Exploded | 0 | - | 4.96 | 24,405 |
| Real People - Sudden Death #2 (U.S.) | 0 | - | 4.50 | 26,182 |
| Word Chain - Cities in Europe | 0 | - | 4.61 | 11,196 |
| Countries of the Popes | 0 | - | 4.85 | 109,846 |
| World Capitals Quiz | 0 | - | 5.00 | 4,506,344 |
| BRICS Member Countries | 0 | - | 4.90 | 56,764 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,402,367 |
| Every Asian Flag - Sudden Death | 0 | - | 4.89 | 96,905 |
| NBA MVPs Quiz | 0 | - | 4.85 | 1,084,881 |
| Europe Map Quiz | 0 | - | 5.00 | 4,302,158 |
| Real People - Sudden Death #3 | 0 | - | 4.83 | 10,913 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,082,656 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,178,141 |
| Fast Typing A to Z | 0 | - | 4.89 | 5,344,150 |
| Every European Flag - Sudden Death | 0 | - | 4.94 | 209,876 |
| Biggest Cities in the United States | 0 | - | 4.93 | 824,370 |
| United States Map Quiz | 0 | - | 4.98 | 3,907,328 |
| Fast Typing 1 to 100 | 0 | - | 4.91 | 5,065,142 |
| Monopoly Board to Country - Click Quiz #1 | 0 | - | 4.99 | 27,797 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 162,273 |
| Least Peaceful Countries | 0 | - | 4.30 | 130,992 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,487,222 |
| All Country Flags of the World | 0 | - | 5.00 | 2,977,750 |
| Memory Test - Sudden Death | 0 | - | 4.86 | 156,751 |
| Flags of Island Countries - Sudden Death | 0 | - | 4.94 | 41,506 |
| Find The Mystery Country Using Color Clues - Randomized! | 0 | - | 4.98 | 1,864,789 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,162,315 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,395,491 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,335,150 |
| Name a Valid European Capital | 0 | - | 4.94 | 123,951 |
| Biggest Cities in the World | 0 | - | 4.89 | 689,054 |
| Kpop Groups - Sudden Death | 0 | - | 5.00 | 7,224 |
| Dog Breeds - Sudden Death | 0 | - | 4.52 | 47,141 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,120,628 |
| Random Capital to Country | 0 | - | 4.99 | 2,364,975 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.55 | 91,280 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,070,794 |
| Countries by First and Last Two Letters | 0 | - | 4.91 | 1,585,698 |
| Countries that Start with S | 0 | - | 4.98 | 1,607,711 |
| Africa Map Quiz | 0 | - | 5.00 | 1,942,245 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,311,974 |
| Countries Richer Than Their Neighbors | 0 | - | 4.45 | 64,632 |
| Find The Mystery Country Using Hints - Randomized! | 0 | - | 5.00 | 902,054 |
| Small Countries with Large Economies | 0 | - | 4.71 | 79,124 |
| Champions League Winners | 0 | - | 4.91 | 856,915 |
| U.S. Presidents - Sudden Death | 0 | - | 4.90 | 96,862 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,313,452 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,368,210 |
| Man Outruns Slow Animals - Sudden Death | 0 | - | 4.89 | 53,983 |
| Map Hunter - World Cities | 0 | - | 4.99 | 24,267 |
| Countries Larger than Texas - Sudden Death | 0 | - | 4.90 | 74,173 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,251,046 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 38,566 |
| Landlocked Countries - Sudden Death | 0 | - | 4.96 | 87,572 |
| Countries that Start with M | 0 | - | 4.97 | 1,256,694 |
| The Answer is a Number - Whammies | 0 | - | 4.89 | 59,718 |
| Countries that Start with A | 0 | - | 4.98 | 1,947,979 |
| Countries that Start with E | 0 | - | 4.95 | 1,235,117 |
| True or False - Sudden Death | 0 | - | 4.87 | 85,916 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,924,822 |
| Australian Animals - Sudden Death | 0 | - | 4.75 | 48,398 |
| Cities Controlled by the Axis - Sudden Death | 0 | - | 4.91 | 51,270 |
| Cities on Islands - Sudden Death | 0 | - | 4.49 | 35,763 |
| European Capitals - Sudden Death | 0 | - | 4.56 | 115,638 |
| Biggest Cities in Europe | 0 | - | 4.75 | 466,087 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.89 | 80,409 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,519 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.72 | 88,242 |
| Countries that Start with B | 0 | - | 4.95 | 2,086,556 |
| NBA Champions - Sudden Death | 0 | - | 4.53 | 60,629 |
| South America Map Quiz | 0 | - | 5.00 | 1,423,120 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 88,987 |
| 2025 English Premier League Teams | 0 | - | 4.85 | 743,071 |
| Brand Logos Quiz #2 | 0 | - | 4.76 | 1,500,562 |
| China's Neighbours - Sudden Death | 0 | - | 4.75 | 83,936 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,932,783 |
| NFL Football Teams Quiz | 0 | - | 4.97 | 2,069,014 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 30,617 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.57 | 97,857 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,530,833 |
| Pope Facts | 0 | - | 4.41 | 27,457 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,577,516 |
| Quick Division Mad Minute - Sudden Death | 0 | - | 4.39 | 69,697 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 161,972 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,720 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.97 | 91,190 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.70 | 116,705 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,850 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 852,690 |
| Countries that Start with N | 0 | - | 4.92 | 1,000,443 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 608,203 |
| Be Happy - Sudden Death | 0 | - | 4.89 | 65,145 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,385,909 |
| NATO Military Alphabet by Clue | 0 | - | 4.94 | 1,630 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 145,489 |
| North American Pro Sports Teams – Sudden Death | 0 | - | 4.60 | 33,064 |
| Muslim Countries - Sudden Death | 0 | - | 4.79 | 27,267 |
| Elements - Sudden Death | 0 | - | 4.91 | 63,912 |
| Multiple Choice Color Identification | 0 | - | 4.17 | 25,320 |
| NATO Members - Sudden Death | 0 | - | 4.55 | 87,793 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,536 |
| Countries with the Most Murders | 0 | - | 4.54 | 136,798 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 21,305 |
| Roman Cities – Sudden Death | 0 | - | 4.96 | 5,121 |
| 12 Months in 15 Seconds | 0 | - | 4.10 | 4,167,700 |
| Countries that Start with G | 0 | - | 4.97 | 1,354,626 |
| Monarchies – Sudden Death | 0 | - | 4.85 | 43,547 |
| Unlock the Final Answer - Geography | 0 | - | 4.58 | 13,502 |
| Whack-A-Mole - Sudden Death | 0 | - | 4.52 | 60,011 |
| Random Name a Valid Country | 0 | - | 4.99 | 169,669 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.94 | 55,520 |
| Countries that Start with C | 0 | - | 4.96 | 1,650,497 |
| Blue States - Sudden Death | 0 | - | 4.98 | 53,109 |
| Most Populated Countries - Whammies | 0 | - | 4.98 | 41,139 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 417,407 |
| Mammals - Sudden Death | 0 | - | 4.82 | 55,718 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 128,340 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 510,668 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 185,470 |
| Pin the Flag - South America | 0 | - | 4.99 | 20,251 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.42 | 87,925 |
| Top World Languages | 0 | - | 4.91 | 709,540 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.58 | 69,712 |
| Northernmost Monkey Populations | 0 | - | 4.83 | 1,708 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 87,378 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,172,289 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.72 | 58,166 |
| Spin the World & Guess the Countries | 0 | - | 4.84 | 129,345 |
| Car Parts - Sudden Death | 0 | - | 4.72 | 53,602 |
| Sudden Death - Sudden Death | 0 | - | 4.95 | 48,522 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 64,555 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 19,690 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 79,644 |
| Cities on Interstate 90 on a Map | 0 | - | 4.42 | 28,013 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,524 |
| Countries that Start with P | 0 | - | 4.95 | 1,103,007 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 515,178 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 162,809 |
| Space Invaders Pixel Art #1 - Sudden Death | 0 | - | 4.80 | 53,455 |
| Random Category Elimination - Countries | 0 | - | 4.99 | 335,302 |
| Asia Map Quiz | 0 | - | 4.99 | 787,720 |
| Random U.S. States on a Map | 0 | - | 4.95 | 493,623 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 124,786 |
| Brand Logos Quiz #4 | 0 | - | 4.44 | 891,019 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,047,439 |
| NHL Hockey Teams Quiz | 0 | - | 4.87 | 573,584 |
| NCAA Football Teams | 0 | - | 4.93 | 316,876 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 71,721 |
| 20th Century Dates – Within 10 Years #2 | 0 | - | 4.85 | 22,742 |
| NBA MVPs - Sudden Death | 0 | - | 4.51 | 65,879 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,009,280 |
| Random Flag to Country | 0 | - | 4.99 | 506,873 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,247,125 |
| Largest U.S. Cities on International Borders | 0 | - | 4.63 | 1,674 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 70,239 |
| Be Sad - Sudden Death | 0 | - | 4.62 | 54,876 |
| Countries in World War II | 0 | - | 4.64 | 813,160 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 455,697 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.96 | 29,484 |
| Biggest Countries by Area | 0 | - | 5.00 | 934,797 |
| NBA Top 5 MVP Voting By Year | 0 | - | 4.48 | 11,649 |
| Countries that Start with L | 0 | - | 4.98 | 974,171 |
| 20th Century Dates – Within 10 Years #1 | 0 | - | 4.98 | 22,621 |
| Brand Logos Quiz #6 | 0 | - | 4.29 | 664,067 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,861 |
| Flags With Gravity #1 | 0 | - | 4.97 | 25,007 |
| Modern Rappers - Sudden Death | 0 | - | 4.30 | 83,550 |
| Most Common Letters of the Alphabet - Whammies | 0 | - | 4.66 | 49,870 |
| Companies by Country | 0 | - | 4.50 | 107,976 |
| "Of Something" Geography | 0 | - | 4.57 | 25,102 |
| Color in the Answer - Click Quiz | 0 | - | 4.84 | 41,888 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,283,019 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.88 | 41,030 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,003,703 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,346,678 |
| Fast Math - Multiplication | 0 | - | 4.78 | 1,034,927 |
| Logos Revealing Logos #1 | 0 | - | 4.98 | 167,192 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 354,349 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 852,718 |
| Beatles Songs - Sudden Death | 0 | - | 4.65 | 50,884 |
| Real People - Sudden Death #1 | 0 | - | 4.33 | 71,796 |
| Formula One World Champions | 0 | - | 4.97 | 300,471 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 28,623 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 65,039 |
| Countries that Start with I | 0 | - | 4.92 | 1,164,753 |
| Random Country to Capital | 0 | - | 4.98 | 804,068 |
| Countries with Glaciers | 0 | - | 4.98 | 96,051 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,188,227 |
| General Knowledge Quiz #233 | 0 | - | 4.66 | 26,263 |
| Equatorial Countries - Sudden Death | 0 | - | 4.80 | 43,008 |
| European Countries - Type the First Letter | 0 | - | 4.93 | 106,624 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,536 |
| Flags With Gravity #2 | 0 | - | 4.97 | 21,155 |
