| Which Letter Covers the Biggest Area? | 0 | - | 4.86 | 27,387 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,036,870 |
| Pin US States on a Borderless Map - Sudden Death | 0 | - | 4.99 | 454,889 |
| Pin Europe on a Borderless Map - Sudden Death | 0 | - | 4.97 | 308,872 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,122,395 |
| US States Quiz | 0 | - | 5.00 | 14,775,420 |
| Real People - Sudden Death #2 (U.S.) | 0 | - | 4.50 | 26,836 |
| Countries Where a Nuclear Weapon Has Exploded | 0 | - | 4.96 | 24,472 |
| Countries with the Most Exports | 0 | - | 4.95 | 125,778 |
| Word Chain - Cities in Europe | 0 | - | 4.61 | 11,501 |
| Countries of the Popes | 0 | - | 4.85 | 109,853 |
| World Capitals Quiz | 0 | - | 5.00 | 4,506,428 |
| BRICS Member Countries | 0 | - | 4.90 | 56,789 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,402,420 |
| Every Asian Flag - Sudden Death | 0 | - | 4.89 | 96,927 |
| NBA MVPs Quiz | 0 | - | 4.85 | 1,084,931 |
| Europe Map Quiz | 0 | - | 5.00 | 4,302,221 |
| Real People - Sudden Death #3 | 0 | - | 4.83 | 10,984 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,082,747 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,178,199 |
| Fast Typing A to Z | 0 | - | 4.89 | 5,344,221 |
| Every European Flag - Sudden Death | 0 | - | 4.94 | 209,894 |
| Biggest Cities in the United States | 0 | - | 4.93 | 824,392 |
| United States Map Quiz | 0 | - | 4.98 | 3,907,345 |
| Fast Typing 1 to 100 | 0 | - | 4.91 | 5,065,200 |
| Monopoly Board to Country - Click Quiz #1 | 0 | - | 4.99 | 27,800 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 162,297 |
| Least Peaceful Countries | 0 | - | 4.30 | 131,010 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,487,254 |
| All Country Flags of the World | 0 | - | 5.00 | 2,977,840 |
| Memory Test - Sudden Death | 0 | - | 4.86 | 156,802 |
| Flags of Island Countries - Sudden Death | 0 | - | 4.94 | 41,530 |
| Find The Mystery Country Using Color Clues - Randomized! | 0 | - | 4.98 | 1,864,813 |
| Kpop Groups - Sudden Death | 0 | - | 5.00 | 7,271 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,162,402 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,395,551 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,335,158 |
| Name a Valid European Capital | 0 | - | 4.94 | 123,956 |
| Biggest Cities in the World | 0 | - | 4.89 | 689,077 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,120,664 |
| Dog Breeds - Sudden Death | 0 | - | 4.52 | 47,152 |
| Random Capital to Country | 0 | - | 4.99 | 2,365,015 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.55 | 91,286 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,070,849 |
| Countries by First and Last Two Letters | 0 | - | 4.91 | 1,585,739 |
| Countries that Start with S | 0 | - | 4.98 | 1,607,736 |
| Africa Map Quiz | 0 | - | 5.00 | 1,942,264 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,312,017 |
| Countries Richer Than Their Neighbors | 0 | - | 4.45 | 64,637 |
| Find The Mystery Country Using Hints - Randomized! | 0 | - | 5.00 | 902,061 |
| Small Countries with Large Economies | 0 | - | 4.71 | 79,125 |
| Champions League Winners | 0 | - | 4.91 | 856,929 |
| U.S. Presidents - Sudden Death | 0 | - | 4.90 | 96,881 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,313,472 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,368,232 |
| Man Outruns Slow Animals - Sudden Death | 0 | - | 4.89 | 53,985 |
| Map Hunter - World Cities | 0 | - | 4.99 | 24,299 |
| Countries Larger than Texas - Sudden Death | 0 | - | 4.90 | 74,185 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,251,105 |
| Landlocked Countries - Sudden Death | 0 | - | 4.96 | 87,590 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 38,576 |
| Countries that Start with M | 0 | - | 4.97 | 1,256,720 |
| The Answer is a Number - Whammies | 0 | - | 4.89 | 59,723 |
| Countries that Start with A | 0 | - | 4.98 | 1,948,008 |
| Countries that Start with E | 0 | - | 4.95 | 1,235,136 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,924,867 |
| True or False - Sudden Death | 0 | - | 4.87 | 85,923 |
| 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 | 115,651 |
| Cities on Islands - Sudden Death | 0 | - | 4.49 | 35,766 |
| Biggest Cities in Europe | 0 | - | 4.75 | 466,110 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.89 | 80,423 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.72 | 88,257 |
| Countries that Start with B | 0 | - | 4.95 | 2,086,583 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,526 |
| South America Map Quiz | 0 | - | 5.00 | 1,423,134 |
| NBA Champions - Sudden Death | 0 | - | 4.53 | 60,638 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 88,994 |
| 2025 English Premier League Teams | 0 | - | 4.85 | 743,089 |
| Brand Logos Quiz #2 | 0 | - | 4.76 | 1,500,589 |
| China's Neighbours - Sudden Death | 0 | - | 4.75 | 83,941 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,932,818 |
| NFL Football Teams Quiz | 0 | - | 4.97 | 2,069,029 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.57 | 97,880 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,530,859 |
| Pope Facts | 0 | - | 4.41 | 27,463 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 30,621 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,577,539 |
| Quick Division Mad Minute - Sudden Death | 0 | - | 4.39 | 69,699 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 161,975 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,726 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.97 | 91,211 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.70 | 116,720 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,852 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 852,704 |
| Countries that Start with N | 0 | - | 4.92 | 1,000,460 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 608,217 |
| Be Happy - Sudden Death | 0 | - | 4.89 | 65,150 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,385,934 |
| North American Pro Sports Teams – Sudden Death | 0 | - | 4.60 | 33,072 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 145,495 |
| NATO Military Alphabet by Clue | 0 | - | 4.94 | 1,637 |
| Muslim Countries - Sudden Death | 0 | - | 4.79 | 27,272 |
| Elements - Sudden Death | 0 | - | 4.91 | 63,914 |
| Multiple Choice Color Identification | 0 | - | 4.17 | 25,324 |
| NATO Members - Sudden Death | 0 | - | 4.55 | 87,801 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,546 |
| Countries with the Most Murders | 0 | - | 4.54 | 136,803 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 21,305 |
| 12 Months in 15 Seconds | 0 | - | 4.10 | 4,167,752 |
| Roman Cities – Sudden Death | 0 | - | 4.96 | 5,126 |
| Countries that Start with G | 0 | - | 4.97 | 1,354,649 |
| Monarchies – Sudden Death | 0 | - | 4.85 | 43,563 |
| Whack-A-Mole - Sudden Death | 0 | - | 4.52 | 60,017 |
| 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 | 13,509 |
| Countries that Start with C | 0 | - | 4.96 | 1,650,526 |
| Blue States - Sudden Death | 0 | - | 4.98 | 53,116 |
| 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 | 20,273 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.42 | 87,941 |
| Top World Languages | 0 | - | 4.91 | 709,553 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.58 | 69,722 |
| Northernmost Monkey Populations | 0 | - | 4.83 | 1,709 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,172,301 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 87,384 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.72 | 58,173 |
| Spin the World & Guess the Countries | 0 | - | 4.84 | 129,358 |
| Car Parts - Sudden Death | 0 | - | 4.72 | 53,620 |
| Sudden Death - Sudden Death | 0 | - | 4.95 | 48,531 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 64,557 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 19,691 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 79,644 |
| Countries that Start with P | 0 | - | 4.95 | 1,103,019 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 515,181 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 162,815 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,528 |
| Cities on Interstate 90 on a Map | 0 | - | 4.42 | 28,014 |
| Space Invaders Pixel Art #1 - Sudden Death | 0 | - | 4.80 | 53,481 |
| Random Category Elimination - Countries | 0 | - | 4.99 | 335,308 |
| Asia Map Quiz | 0 | - | 4.99 | 787,725 |
| 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 | 891,033 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,047,460 |
| NHL Hockey Teams Quiz | 0 | - | 4.87 | 573,597 |
| NCAA Football Teams | 0 | - | 4.93 | 316,884 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 71,725 |
| 20th Century Dates – Within 10 Years #2 | 0 | - | 4.85 | 22,744 |
| NBA MVPs - Sudden Death | 0 | - | 4.51 | 65,887 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,009,300 |
| Random Flag to Country | 0 | - | 4.99 | 506,881 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,247,149 |
| 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 | 813,169 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 455,704 |
| Biggest Countries by Area | 0 | - | 5.00 | 934,816 |
| Largest U.S. Cities on International Borders | 0 | - | 4.63 | 1,676 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.96 | 29,487 |
| Countries that Start with L | 0 | - | 4.98 | 974,187 |
| 20th Century Dates – Within 10 Years #1 | 0 | - | 4.98 | 22,623 |
| Brand Logos Quiz #6 | 0 | - | 4.29 | 664,090 |
| 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 | 11,669 |
| Most Common Letters of the Alphabet - Whammies | 0 | - | 4.66 | 49,880 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,865 |
| Companies by Country | 0 | - | 4.50 | 107,979 |
| "Of Something" Geography | 0 | - | 4.57 | 25,105 |
| Color in the Answer - Click Quiz | 0 | - | 4.84 | 41,890 |
| 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 | 1,003,713 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,346,688 |
| Fast Math - Multiplication | 0 | - | 4.78 | 1,034,950 |
| Logos Revealing Logos #1 | 0 | - | 4.98 | 167,199 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 354,367 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 852,726 |
| Beatles Songs - Sudden Death | 0 | - | 4.65 | 50,890 |
| Real People - Sudden Death #1 | 0 | - | 4.33 | 71,871 |
| Formula One World Champions | 0 | - | 4.97 | 300,473 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 28,626 |
| Countries that Start with I | 0 | - | 4.92 | 1,164,775 |
| Random Country to Capital | 0 | - | 4.98 | 804,075 |
| Countries with Glaciers | 0 | - | 4.98 | 96,055 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 65,047 |
| 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 | 43,012 |
| European Countries - Type the First Letter | 0 | - | 4.93 | 106,636 |
| Flags With Gravity #2 | 0 | - | 4.97 | 21,160 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,541 |
