| Which Letter Covers the Biggest Area? | 0 | - | 4.86 | 27,417 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,037,034 |
| Pin US States on a Borderless Map - Sudden Death | 0 | - | 4.99 | 454,908 |
| Pin Europe on a Borderless Map - Sudden Death | 0 | - | 4.97 | 308,969 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,122,430 |
| US States Quiz | 0 | - | 5.00 | 14,775,462 |
| Real People - Sudden Death #2 (U.S.) | 0 | - | 4.50 | 26,987 |
| Countries Where a Nuclear Weapon Has Exploded | 0 | - | 4.96 | 24,483 |
| Countries with the Most Exports | 0 | - | 4.95 | 125,794 |
| Word Chain - Cities in Europe | 0 | - | 4.61 | 11,552 |
| Countries of the Popes | 0 | - | 4.85 | 109,854 |
| World Capitals Quiz | 0 | - | 5.00 | 4,506,440 |
| BRICS Member Countries | 0 | - | 4.90 | 56,791 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,402,427 |
| Every Asian Flag - Sudden Death | 0 | - | 4.89 | 96,927 |
| NBA MVPs Quiz | 0 | - | 4.85 | 1,084,938 |
| Europe Map Quiz | 0 | - | 5.00 | 4,302,235 |
| Real People - Sudden Death #3 | 0 | - | 4.83 | 11,002 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,082,765 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,178,210 |
| Fast Typing A to Z | 0 | - | 4.89 | 5,344,229 |
| Every European Flag - Sudden Death | 0 | - | 4.94 | 209,895 |
| Biggest Cities in the United States | 0 | - | 4.93 | 824,394 |
| United States Map Quiz | 0 | - | 4.98 | 3,907,346 |
| Fast Typing 1 to 100 | 0 | - | 4.91 | 5,065,209 |
| Monopoly Board to Country - Click Quiz #1 | 0 | - | 4.99 | 27,800 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 162,299 |
| Least Peaceful Countries | 0 | - | 4.30 | 131,013 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,487,261 |
| All Country Flags of the World | 0 | - | 5.00 | 2,977,853 |
| Memory Test - Sudden Death | 0 | - | 4.86 | 156,804 |
| Flags of Island Countries - Sudden Death | 0 | - | 4.94 | 41,532 |
| Find The Mystery Country Using Color Clues - Randomized! | 0 | - | 4.98 | 1,864,822 |
| Kpop Groups - Sudden Death | 0 | - | 5.00 | 7,277 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,162,429 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,395,556 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,335,165 |
| Name a Valid European Capital | 0 | - | 4.94 | 123,956 |
| Biggest Cities in the World | 0 | - | 4.89 | 689,083 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,120,671 |
| Dog Breeds - Sudden Death | 0 | - | 4.52 | 47,153 |
| Random Capital to Country | 0 | - | 4.99 | 2,365,017 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.55 | 91,288 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,070,857 |
| Countries by First and Last Two Letters | 0 | - | 4.91 | 1,585,740 |
| Countries that Start with S | 0 | - | 4.98 | 1,607,738 |
| Africa Map Quiz | 0 | - | 5.00 | 1,942,271 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,312,022 |
| Countries Richer Than Their Neighbors | 0 | - | 4.45 | 64,639 |
| Find The Mystery Country Using Hints - Randomized! | 0 | - | 5.00 | 902,078 |
| Small Countries with Large Economies | 0 | - | 4.71 | 79,125 |
| Champions League Winners | 0 | - | 4.91 | 856,930 |
| U.S. Presidents - Sudden Death | 0 | - | 4.90 | 96,883 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,313,474 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,368,236 |
| Man Outruns Slow Animals - Sudden Death | 0 | - | 4.89 | 53,985 |
| Map Hunter - World Cities | 0 | - | 4.99 | 24,310 |
| Countries Larger than Texas - Sudden Death | 0 | - | 4.90 | 74,191 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,251,110 |
| Landlocked Countries - Sudden Death | 0 | - | 4.96 | 87,592 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 38,578 |
| Countries that Start with M | 0 | - | 4.97 | 1,256,723 |
| The Answer is a Number - Whammies | 0 | - | 4.89 | 59,726 |
| Countries that Start with A | 0 | - | 4.98 | 1,948,013 |
| Countries that Start with E | 0 | - | 4.95 | 1,235,144 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,924,878 |
| True or False - Sudden Death | 0 | - | 4.87 | 85,925 |
| Australian Animals - Sudden Death | 0 | - | 4.75 | 48,406 |
| Cities Controlled by the Axis - Sudden Death | 0 | - | 4.91 | 51,275 |
| European Capitals - Sudden Death | 0 | - | 4.56 | 115,653 |
| Cities on Islands - Sudden Death | 0 | - | 4.49 | 35,772 |
| Biggest Cities in Europe | 0 | - | 4.75 | 466,111 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.89 | 80,427 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.72 | 88,267 |
| Countries that Start with B | 0 | - | 4.95 | 2,086,588 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,527 |
| South America Map Quiz | 0 | - | 5.00 | 1,423,146 |
| NBA Champions - Sudden Death | 0 | - | 4.53 | 60,640 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 88,995 |
| 2025 English Premier League Teams | 0 | - | 4.85 | 743,090 |
| Brand Logos Quiz #2 | 0 | - | 4.76 | 1,500,595 |
| China's Neighbours - Sudden Death | 0 | - | 4.75 | 83,947 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,932,825 |
| NFL Football Teams Quiz | 0 | - | 4.97 | 2,069,034 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.57 | 97,884 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,530,864 |
| Pope Facts | 0 | - | 4.41 | 27,463 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 30,622 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,577,551 |
| Quick Division Mad Minute - Sudden Death | 0 | - | 4.39 | 69,699 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 161,976 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,727 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.97 | 91,224 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.70 | 116,720 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,853 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 852,705 |
| Countries that Start with N | 0 | - | 4.92 | 1,000,466 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 608,219 |
| Be Happy - Sudden Death | 0 | - | 4.89 | 65,151 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,385,936 |
| North American Pro Sports Teams – Sudden Death | 0 | - | 4.60 | 33,076 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 145,495 |
| NATO Military Alphabet by Clue | 0 | - | 4.94 | 1,639 |
| Muslim Countries - Sudden Death | 0 | - | 4.79 | 27,274 |
| Elements - Sudden Death | 0 | - | 4.91 | 63,919 |
| Multiple Choice Color Identification | 0 | - | 4.17 | 25,326 |
| NATO Members - Sudden Death | 0 | - | 4.55 | 87,801 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,550 |
| Countries with the Most Murders | 0 | - | 4.54 | 136,804 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 21,306 |
| 12 Months in 15 Seconds | 0 | - | 4.10 | 4,167,754 |
| Roman Cities – Sudden Death | 0 | - | 4.96 | 5,129 |
| Countries that Start with G | 0 | - | 4.97 | 1,354,659 |
| Monarchies – Sudden Death | 0 | - | 4.85 | 43,564 |
| Whack-A-Mole - Sudden Death | 0 | - | 4.52 | 60,018 |
| Random Name a Valid Country | 0 | - | 4.99 | 169,672 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.94 | 55,531 |
| Unlock the Final Answer - Geography | 0 | - | 4.58 | 13,512 |
| Countries that Start with C | 0 | - | 4.96 | 1,650,534 |
| Blue States - Sudden Death | 0 | - | 4.98 | 53,125 |
| Most Populated Countries - Whammies | 0 | - | 4.98 | 41,141 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 417,416 |
| Mammals - Sudden Death | 0 | - | 4.82 | 55,724 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 128,344 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 510,677 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 185,474 |
| Pin the Flag - South America | 0 | - | 4.99 | 20,275 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.42 | 87,946 |
| Top World Languages | 0 | - | 4.91 | 709,554 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.58 | 69,724 |
| Northernmost Monkey Populations | 0 | - | 4.83 | 1,709 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,172,306 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 87,385 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.72 | 58,174 |
| Spin the World & Guess the Countries | 0 | - | 4.84 | 129,363 |
| Car Parts - Sudden Death | 0 | - | 4.72 | 53,626 |
| Sudden Death - Sudden Death | 0 | - | 4.95 | 48,531 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 64,562 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 19,691 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 79,645 |
| Countries that Start with P | 0 | - | 4.95 | 1,103,026 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 515,181 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 162,816 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,531 |
| Cities on Interstate 90 on a Map | 0 | - | 4.42 | 28,014 |
| Space Invaders Pixel Art #1 - Sudden Death | 0 | - | 4.80 | 53,484 |
| Random Category Elimination - Countries | 0 | - | 4.99 | 335,308 |
| Asia Map Quiz | 0 | - | 4.99 | 787,730 |
| Random U.S. States on a Map | 0 | - | 4.95 | 493,647 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 124,787 |
| Brand Logos Quiz #4 | 0 | - | 4.44 | 891,040 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,047,465 |
| NHL Hockey Teams Quiz | 0 | - | 4.87 | 573,597 |
| NCAA Football Teams | 0 | - | 4.93 | 316,886 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 71,725 |
| 20th Century Dates – Within 10 Years #2 | 0 | - | 4.85 | 22,745 |
| NBA MVPs - Sudden Death | 0 | - | 4.51 | 65,890 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,009,305 |
| Random Flag to Country | 0 | - | 4.99 | 506,881 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,247,150 |
| Be Sad - Sudden Death | 0 | - | 4.62 | 54,880 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 70,243 |
| Countries in World War II | 0 | - | 4.64 | 813,173 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 455,704 |
| Biggest Countries by Area | 0 | - | 5.00 | 934,817 |
| Largest U.S. Cities on International Borders | 0 | - | 4.63 | 1,678 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.96 | 29,489 |
| Countries that Start with L | 0 | - | 4.98 | 974,190 |
| 20th Century Dates – Within 10 Years #1 | 0 | - | 4.98 | 22,623 |
| Brand Logos Quiz #6 | 0 | - | 4.29 | 664,094 |
| Modern Rappers - Sudden Death | 0 | - | 4.30 | 83,566 |
| Flags With Gravity #1 | 0 | - | 4.97 | 25,011 |
| NBA Top 5 MVP Voting By Year | 0 | - | 4.48 | 11,674 |
| Most Common Letters of the Alphabet - Whammies | 0 | - | 4.66 | 49,881 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,868 |
| Companies by Country | 0 | - | 4.50 | 107,980 |
| "Of Something" Geography | 0 | - | 4.57 | 25,105 |
| Color in the Answer - Click Quiz | 0 | - | 4.84 | 41,891 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,283,030 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.88 | 41,036 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,003,716 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,346,688 |
| Fast Math - Multiplication | 0 | - | 4.78 | 1,034,953 |
| Logos Revealing Logos #1 | 0 | - | 4.98 | 167,200 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 354,373 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 852,728 |
| Beatles Songs - Sudden Death | 0 | - | 4.65 | 50,891 |
| Real People - Sudden Death #1 | 0 | - | 4.33 | 71,899 |
| Formula One World Champions | 0 | - | 4.97 | 300,474 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 28,626 |
| Countries that Start with I | 0 | - | 4.92 | 1,164,778 |
| Random Country to Capital | 0 | - | 4.98 | 804,078 |
| Countries with Glaciers | 0 | - | 4.98 | 96,055 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 65,048 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,188,245 |
| General Knowledge Quiz #233 | 0 | - | 4.66 | 26,271 |
| Equatorial Countries - Sudden Death | 0 | - | 4.80 | 43,019 |
| European Countries - Type the First Letter | 0 | - | 4.93 | 106,637 |
| Flags With Gravity #2 | 0 | - | 4.97 | 21,161 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,542 |
