| Which Letter Covers the Biggest Area? | 0 | - | 4.86 | 25,664 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,027,009 |
| Pin US States on a Borderless Map - Sudden Death | 0 | - | 4.99 | 453,142 |
| Pin Europe on a Borderless Map - Sudden Death | 0 | - | 4.97 | 304,590 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,119,706 |
| US States Quiz | 0 | - | 5.00 | 14,772,435 |
| Countries Where a Nuclear Weapon Has Exploded | 0 | - | 4.96 | 23,645 |
| Countries of the Popes | 0 | - | 4.85 | 109,737 |
| BRICS Member Countries | 0 | - | 4.90 | 56,473 |
| World Capitals Quiz | 0 | - | 5.00 | 4,505,498 |
| Countries with the Most Exports | 0 | - | 4.95 | 124,917 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,401,789 |
| NBA MVPs Quiz | 0 | - | 4.85 | 1,084,545 |
| Every Asian Flag - Sudden Death | 0 | - | 4.89 | 96,736 |
| Europe Map Quiz | 0 | - | 5.00 | 4,301,508 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,081,747 |
| Biggest Cities in the United States | 0 | - | 4.93 | 824,175 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,177,620 |
| Real People - Sudden Death #3 | 0 | - | 4.83 | 9,683 |
| Fast Typing A to Z | 0 | - | 4.89 | 5,343,312 |
| Every European Flag - Sudden Death | 0 | - | 4.94 | 209,586 |
| United States Map Quiz | 0 | - | 4.98 | 3,906,985 |
| Real People - Sudden Death #2 (U.S.) | 0 | - | 4.50 | 17,213 |
| Least Peaceful Countries | 0 | - | 4.30 | 130,782 |
| Word Chain - Cities in Europe | 0 | - | 4.61 | 5,877 |
| Monopoly Board to Country - Click Quiz #1 | 0 | - | 4.99 | 27,747 |
| Fast Typing 1 to 100 | 0 | - | 4.91 | 5,064,479 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 161,972 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,486,943 |
| All Country Flags of the World | 0 | - | 5.00 | 2,976,639 |
| Flags of Island Countries - Sudden Death | 0 | - | 4.94 | 41,412 |
| Memory Test - Sudden Death | 0 | - | 4.86 | 156,603 |
| Find The Mystery Country Using Color Clues - Randomized! | 0 | - | 4.98 | 1,864,476 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.55 | 91,154 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,161,514 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,395,181 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,334,911 |
| Name a Valid European Capital | 0 | - | 4.94 | 123,870 |
| Biggest Cities in the World | 0 | - | 4.89 | 688,867 |
| Dog Breeds - Sudden Death | 0 | - | 4.52 | 47,064 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,120,268 |
| Random Capital to Country | 0 | - | 4.99 | 2,364,598 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,070,258 |
| Countries by First and Last Two Letters | 0 | - | 4.91 | 1,585,384 |
| Countries that Start with S | 0 | - | 4.98 | 1,607,459 |
| Countries Richer Than Their Neighbors | 0 | - | 4.45 | 64,597 |
| Africa Map Quiz | 0 | - | 5.00 | 1,941,993 |
| NBA Basketball Teams Quiz | 0 | - | 4.98 | 2,311,696 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 38,447 |
| Small Countries with Large Economies | 0 | - | 4.71 | 79,099 |
| Find The Mystery Country Using Hints - Randomized! | 0 | - | 5.00 | 901,790 |
| Champions League Winners | 0 | - | 4.91 | 856,712 |
| U.S. Presidents - Sudden Death | 0 | - | 4.90 | 96,645 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,313,290 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,367,958 |
| Man Outruns Slow Animals - Sudden Death | 0 | - | 4.89 | 53,923 |
| Countries Larger than Texas - Sudden Death | 0 | - | 4.90 | 74,112 |
| Map Hunter - World Cities | 0 | - | 4.99 | 23,843 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,250,699 |
| Landlocked Countries - Sudden Death | 0 | - | 4.96 | 87,446 |
| Countries that Start with M | 0 | - | 4.97 | 1,256,468 |
| The Answer is a Number - Whammies | 0 | - | 4.89 | 59,644 |
| Countries that Start with A | 0 | - | 4.98 | 1,947,627 |
| Countries that Start with E | 0 | - | 4.95 | 1,234,886 |
| True or False - Sudden Death | 0 | - | 4.87 | 85,787 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,924,538 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 30,529 |
| Australian Animals - Sudden Death | 0 | - | 4.75 | 48,347 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,490 |
| Cities on Islands - Sudden Death | 0 | - | 4.49 | 35,707 |
| Cities Controlled by the Axis - Sudden Death | 0 | - | 4.91 | 51,217 |
| Biggest Cities in Europe | 0 | - | 4.75 | 465,977 |
| European Capitals - Sudden Death | 0 | - | 4.56 | 115,439 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.89 | 80,310 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 88,948 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.72 | 88,025 |
| NBA Champions - Sudden Death | 0 | - | 4.53 | 60,568 |
| Countries that Start with B | 0 | - | 4.95 | 2,086,252 |
| South America Map Quiz | 0 | - | 5.00 | 1,422,985 |
| 2025 English Premier League Teams | 0 | - | 4.85 | 742,935 |
| Brand Logos Quiz #2 | 0 | - | 4.76 | 1,500,285 |
| China's Neighbours - Sudden Death | 0 | - | 4.75 | 83,816 |
| Pope Facts | 0 | - | 4.41 | 27,420 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,932,416 |
| NFL Football Teams Quiz | 0 | - | 4.97 | 2,068,895 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.57 | 97,735 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 161,925 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,677 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,530,625 |
| Quick Division Mad Minute - Sudden Death | 0 | - | 4.39 | 69,599 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,577,155 |
| NATO Military Alphabet by Clue | 0 | - | 4.94 | 1,546 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,462 |
| Five Poorest Countries by Continent | 0 | - | 4.94 | 166,804 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.97 | 91,068 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.70 | 116,545 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 145,436 |
| All Major North American Pro Sports Teams | 0 | - | 4.99 | 852,550 |
| Countries that Start with N | 0 | - | 4.92 | 1,000,233 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 608,045 |
| North American Pro Sports Teams – Sudden Death | 0 | - | 4.60 | 33,017 |
| Be Happy - Sudden Death | 0 | - | 4.89 | 65,040 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,385,629 |
| Muslim Countries - Sudden Death | 0 | - | 4.79 | 27,145 |
| Multiple Choice Color Identification | 0 | - | 4.17 | 25,279 |
| Elements - Sudden Death | 0 | - | 4.91 | 63,798 |
| NATO Members - Sudden Death | 0 | - | 4.55 | 87,681 |
| Roman Cities – Sudden Death | 0 | - | 4.96 | 5,075 |
| Countries with the Most Murders | 0 | - | 4.54 | 136,761 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 21,285 |
| 12 Months in 15 Seconds | 0 | - | 4.10 | 4,167,136 |
| Countries that Start with G | 0 | - | 4.97 | 1,354,385 |
| Unlock the Final Answer - Geography | 0 | - | 4.58 | 13,445 |
| Monarchies – Sudden Death | 0 | - | 4.85 | 43,185 |
| Whack-A-Mole - Sudden Death | 0 | - | 4.52 | 59,958 |
| Random Name a Valid Country | 0 | - | 4.99 | 169,614 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.94 | 55,387 |
| Countries that Start with C | 0 | - | 4.96 | 1,650,199 |
| Blue States - Sudden Death | 0 | - | 4.98 | 53,055 |
| Most Populated Countries - Whammies | 0 | - | 4.98 | 41,108 |
| Northernmost Monkey Populations | 0 | - | 4.83 | 1,650 |
| Richest Countries Bordering Each Other | 0 | - | 4.98 | 128,291 |
| Click a Valid Country A-Z | 0 | - | 4.97 | 417,298 |
| Mammals - Sudden Death | 0 | - | 4.82 | 55,671 |
| Win the U.S. Presidential Election | 0 | - | 4.79 | 510,481 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 87,324 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 185,418 |
| Pin the Flag - South America | 0 | - | 4.99 | 20,141 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.42 | 87,826 |
| Top World Languages | 0 | - | 4.91 | 709,362 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.58 | 69,597 |
| Cities on Interstate 90 on a Map | 0 | - | 4.42 | 27,991 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,172,102 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,485 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.72 | 58,110 |
| Spin the World & Guess the Countries | 0 | - | 4.84 | 129,217 |
| Car Parts - Sudden Death | 0 | - | 4.72 | 53,514 |
| Sudden Death - Sudden Death | 0 | - | 4.95 | 48,460 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 19,645 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 64,448 |
| Largest U.S. Cities on International Borders | 0 | - | 4.63 | 1,624 |
| Biggest Countries with No McDonald's | 0 | - | 4.85 | 79,608 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 162,775 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 515,098 |
| Countries that Start with P | 0 | - | 4.95 | 1,102,825 |
| Space Invaders Pixel Art #1 - Sudden Death | 0 | - | 4.80 | 53,395 |
| Random Category Elimination - Countries | 0 | - | 4.99 | 335,170 |
| NBA Top 5 MVP Voting By Year | 0 | - | 4.48 | 11,541 |
| Asia Map Quiz | 0 | - | 4.99 | 787,535 |
| Random U.S. States on a Map | 0 | - | 4.95 | 493,526 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 124,742 |
| Brand Logos Quiz #4 | 0 | - | 4.44 | 890,858 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,047,205 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 71,700 |
| NHL Hockey Teams Quiz | 0 | - | 4.87 | 573,521 |
| NCAA Football Teams | 0 | - | 4.93 | 316,853 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 70,194 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,816 |
| 20th Century Dates – Within 10 Years #2 | 0 | - | 4.85 | 22,727 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.96 | 29,443 |
| NBA MVPs - Sudden Death | 0 | - | 4.51 | 65,834 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,009,201 |
| Random Flag to Country | 0 | - | 4.99 | 506,784 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,246,858 |
| Be Sad - Sudden Death | 0 | - | 4.62 | 54,813 |
| Countries in World War II | 0 | - | 4.64 | 813,017 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 455,628 |
| Biggest Countries by Area | 0 | - | 5.00 | 934,639 |
| 20th Century Dates – Within 10 Years #1 | 0 | - | 4.98 | 22,608 |
| Countries that Start with L | 0 | - | 4.98 | 973,987 |
| Brand Logos Quiz #6 | 0 | - | 4.29 | 663,918 |
| Flags With Gravity #1 | 0 | - | 4.97 | 24,986 |
| Modern Rappers - Sudden Death | 0 | - | 4.30 | 83,473 |
| Most Common Letters of the Alphabet - Whammies | 0 | - | 4.66 | 49,822 |
| Companies by Country | 0 | - | 4.50 | 107,938 |
| "Of Something" Geography | 0 | - | 4.57 | 25,068 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 64,987 |
| Color in the Answer - Click Quiz | 0 | - | 4.84 | 41,849 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,495 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,282,897 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.88 | 40,978 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,003,572 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,346,588 |
| Fast Math - Multiplication | 0 | - | 4.78 | 1,034,795 |
| Logos Revealing Logos #1 | 0 | - | 4.98 | 167,136 |
| Beatles Songs - Sudden Death | 0 | - | 4.65 | 50,838 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 354,136 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 852,668 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 28,580 |
| Formula One World Champions | 0 | - | 4.97 | 300,361 |
| Countries that Start with I | 0 | - | 4.92 | 1,164,557 |
| Random Country to Capital | 0 | - | 4.98 | 803,953 |
| Countries with Glaciers | 0 | - | 4.98 | 96,034 |
| General Knowledge Quiz #233 | 0 | - | 4.66 | 26,210 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,187,922 |
| Equatorial Countries - Sudden Death | 0 | - | 4.80 | 42,957 |
| Flags With Gravity #2 | 0 | - | 4.97 | 21,138 |
| Real People - Sudden Death #1 | 0 | - | 4.33 | 70,519 |
| European Countries - Type the First Letter | 0 | - | 4.93 | 106,509 |
| Word Shortenings #1 | 0 | - | 4.26 | 124,688 |
