| Bordering Countries by HDI Difference | 51,759 | 0 | - |
| Countries With The Most NHL Hockey Players | 99,254 | 0 | - |
| Random Countries by Borders | 81,884 | 0 | - |
| Countries Which Receive the Most Remittances | 30,051 | 0 | - |
| ALL Taylor Swift Songs as of April 2026 | 214,500 | 0 | - |
| Pre 2000s Artists in the Top 500 on Spotify | 68,990 | 0 | - |
| Spanish Name Translation | 168,184 | 0 | - |
| Busiest Air Routes from the U.S. | 76,704 | 0 | - |
| Least Christian Countries with Exceptions | 87,348 | 0 | - |
| Countries, Capitals, Currencies and Official Languages | 105,717 | 0 | - |
| Nearest Capital City #2 | 39,063 | 0 | - |
| Largest City on Every Continent A-Z | 37,897 | 0 | - |
| Trillion Dollar U.S. Companies | 117,965 | 0 | - |
| World's Fair Host Cities | 17,171 | 0 | - |
| Random Geography Letter Challenge | 62,587 | 0 | - |
| Recognized, Non-Recognized Countries, and Territories of the World | 153,978 | 0 | - |
| U.S. States by Landform Quiz | 26,824 | 0 | - |
| Nautical Vocabulary | 48,140 | 0 | - |
| Countries that Eat the Least Meat | 20,945 | 0 | - |
| All Countries of the World by Area with Hints | 240,587 | 0 | - |
| Clear All Country Borders on the World Map | 40,953 | 0 | - |
| Lonely Planet Top 200 Cities | 220,498 | 0 | - |
| #1 Hits of the 2020s | 92,944 | 0 | - |
| Random Geographic Groups of Six | 49,573 | 0 | - |
| Every U.S. Metro Area on a Map | 81,145 | 0 | - |
| International Scientific Units | 155,864 | 0 | - |
| UEFA European Championship Winners | 84,404 | 0 | - |
| Countries Less Populous Than Their Neighbors | 80,386 | 0 | - |
| African Capitals - Map Quiz | 61,910 | 0 | - |
| Countries of the World Quiz | 47,103,658 | 0 | - |
| Countries with the Lowest Murder Rate | 77,252 | 0 | - |
| Every Oscar-Nominated Actor | 87,704 | 0 | - |
| Cricket - Cities That Have Hosted Test Matches | 22,099 | 0 | - |
| U.S. Cabinet Departments | 72,633 | 0 | - |
| Geographic Groups of Four #2 | 80,339 | 0 | - |
| Last 10 U.S. States Alphabetically | 74,688 | 0 | - |
| Countries that Produce the Most Cheese | 63,144 | 0 | - |
| Countries that Produce the Most Cheese per Capita | 52,637 | 0 | - |
| Most Guessed North American Teams by Sport | 64,030 | 0 | - |
| Highest Foreign Aid Recipients | 43,907 | 0 | - |
| Click a Valid World Capital A-Z | 89,652 | 0 | - |
| Top 20 Fruits Sold in the U.S. | 67,307 | 0 | - |
| Top 20 Vegetables Sold in the U.S. | 21,943 | 0 | - |
| Countries by Latitude Span | 18,746 | 0 | - |
| 20th Century Dates – Within 10 Years #2 | 32,753 | 0 | - |
| Biggest Countries with No McDonald's | 89,058 | 0 | - |
| Countries That Have Won a "World's Strongest Man" Title | 16,676 | - | - |
| Countries by Initial Letter and Continent #2 | 95,853 | 0 | - |
| U.S. Cities with the Most Spanish Speakers | 40,085 | 0 | - |
| Countries with the Fastest Marathoners | 94,843 | 0 | - |
| Children of U.S. Presidents | 16,658 | 0 | - |
| Countries with the Most Murders | 150,188 | 0 | - |
| Names for Crimes | 131,451 | 0 | - |
| Countries With Buildings Taller than Mountains | 18,292 | 0 | - |
| 15 Largest Cities in the Middle East With a Map | 117,688 | 0 | - |
| Five Biggest Immigrant Groups by Country #1 | 179,791 | 0 | - |
| Biggest Cities in the World | 793,241 | 0 | - |
| Five Biggest Immigrant Groups by Country #2 | 88,640 | 0 | - |
| Five Biggest Immigrant Groups by Country #3 | 66,006 | 0 | - |
| Wonderlic Style IQ Test | 102,202 | 0 | - |
| Switzerland Immigration by Country | 29,328 | 0 | - |
| States of India | 191,362 | 0 | - |
| Global Cities on a World Map | 135,326 | 0 | - |
| Biggest Cities in Europe | 543,345 | 0 | - |
| Most Guessed Cities by U.S. State #1 | 27,668 | 0 | - |
| Capitals by River | 48,261 | 0 | - |
| Philadelphia Trivia | 21,962 | 0 | - |
| MLS Soccer Teams | 84,205 | 0 | - |
| Longest-Running U.S. Sitcoms | 72,783 | 0 | - |
| Name the Popes Quiz | 137,482 | 0 | - |
| Every 5,000+ City in Europe before the Black Death | 8,994 | 0 | - |
| U.S. Presidents in Order - Whammies | 76,616 | 0 | - |
| Batfacts: The Batman Quiz | 60,504 | 0 | - |
| Large Countries with Small Economies | 80,509 | 0 | - |
| Small Countries with Large Economies | 89,563 | 0 | - |
| Two Largest Cities by First Two Letters | 83,044 | 0 | - |
| Busiest Air Routes in the World | 38,074 | 0 | - |
| All Leonardo DiCaprio Movies | 115,854 | 0 | - |
| Poorest Countries with Exceptions | 131,060 | 0 | - |
| Geographic Groups of Five #2 | 63,573 | 0 | - |
| World Currency Quiz | 299,981 | 0 | - |
| American to British Word Translation | 137,990 | 0 | - |
| Neighborhoods of New York City | 30,300 | 0 | - |
| Jtheppy's Evil Geography | 45,659 | 0 | - |
| Top Five Countries By Ethnic Group | 2,764 | - | - |
| 500 Biggest U.S. Urban Areas | 115,952 | 0 | - |
| Cities and Towns of Massachusetts | 73,359 | 0 | - |
| Most-Grown Fruits Worldwide | 95,985 | 0 | - |
| Biggest Cities with Exceptions | 78,926 | 0 | - |
| Most Educated Cities in the United States | 76,154 | 0 | - |
| Countries of the World in 1789 with a Map | 65,708 | 0 | - |
| BRICS Member Countries | 69,903 | 0 | - |
| Words Pertaining to Things #1 | 90,256 | 0 | - |
| Most-Visited Countries by Popes | 83,353 | 0 | - |
| Countries Losing the Most Population by 2070 | 84,273 | 0 | - |
| Name the Virus | 76,486 | 0 | - |
| Countries Where a Nuclear Weapon Has Exploded | 53,720 | 0 | - |
| Which Letter Covers the Biggest Area? | 70,727 | 0 | - |
| Groups of Things - History #1 | 93,818 | 0 | - |
| Oldest Capital Cities | 45,564 | 0 | - |
| Unlock the Final Answer - Geography | 66,014 | 0 | - |
| Fastest Shrinking U.S. Cities | 40,249 | 0 | - |
| Northernmost Major Cities in the U.S. | 48,616 | 0 | - |
| U.S. Cities that Americans Move To | 29,213 | 0 | - |
| Five Least Densely Populated Countries by Continent | 93,023 | 0 | - |
| Fill the World Map by Country Flags | 83,212 | 0 | - |
| Moved Capital Cities | 73,814 | 0 | - |
| Musical Acts with the Most Hits since 1962 | 33,884 | 0 | - |
| World Countries - Blind Typing | 106,384 | 0 | - |
| Countries of the World With a Disappearing Map | 111,556 | 0 | - |
| Groups of Eight Quiz #1 | 133,706 | 0 | - |
| Every 1,000,000+ City on a Map | 113,401 | 0 | - |
| French-Speaking Countries | 269,549 | 0 | - |
| FIFA World Cup Country Bids | 390 | - | - |
| Geography Containing the Letter X | 34,510 | 0 | - |
| Female Equivalent Words Quiz | 194,331 | 0 | - |
| Five Most Densely Populated Countries by Continent | 86,219 | 0 | - |
| Biggest U.S. Cities Within 100 Kilometers | 51,353 | 0 | - |
| Countries, U.S. States, and Capitals on the World Map | 136,339 | 0 | - |
| Most Popular Fast Food Restaurants | 666,499 | 0 | - |
| Five Cities with the Highest GDP by Continent | 2,597 | - | - |
| Spanish to English Country Names | 32,438 | 0 | - |
| Countries with the Most Immigrants per Capita | 62,031 | 0 | - |
| Countries with the Most Billionaires per Capita | 93,383 | 0 | - |
| Lowest Fertility Countries | 97,437 | 0 | - |
| Countries with the Most Military Troops | 286,028 | 0 | - |
| Countries with the Lowest Population Density | 169,482 | 0 | - |
| Word Puzzles - World Cities #1 | 50,698 | 0 | - |
| All 1M+ Cities in Africa on a Map | 26,029 | 0 | - |
| Countries with More Neighbors than Letters | 29,639 | 0 | - |
| Top 10 Most-Educated U.S. States | 84,516 | 0 | - |
| Top 10 Most German U.S. States | 59,732 | 0 | - |
| U.S. Cities by Hispanic Population | 38,114 | 0 | - |
| Largest Countries Never to Qualify for a FIFA World Cup | 26,380 | 0 | - |
| Countries with the Most Sunlight Per Square Meter | 17,102 | 0 | - |
| Countries with the Most Wolves | 107,383 | 0 | - |
| Major non-NATO U.S. Allies | 51,904 | 0 | - |
| Countries More Populous Than Their Neighbors | 172,071 | 0 | - |
| Ten Highest Ranking FIFA Countries by Year | 305,425 | 0 | - |
| Animals by Range on a World Map | 25,332 | 0 | - |
| Top Crude Oil Producing Countries | 188,908 | 0 | - |
| Countries With the Most NBA Players | 116,867 | 0 | - |
| Biggest Countries by Combined Area and Population | 33,558 | 0 | - |
| Islands of "The World" in Dubai | 17,796 | 0 | - |
| Countries with the Worst Passports | 82,987 | 0 | - |
| All Countries Never To Qualify For A FIFA World Cup | 45,509 | 0 | - |
| Countries Reducing Carbon Dioxide Emissions the Most | 64,373 | 0 | - |
| City Superlatives #1 | 19,373 | 0 | - |
| Click the Asian Capitals on a Map | 40,851 | 0 | - |
| One Letter Answers #3 | 74,445 | 0 | - |
| Green in the Answers | 150,553 | 0 | - |
| Countries Kim Jong Un Has Been To | 32,451 | 0 | - |
| Name a Valid World City | 70,464 | 0 | - |
| Richest Metro Areas in the U.S. | 43,384 | 0 | - |
| Poorest Metro Areas in the U.S. | 25,544 | 0 | - |
| "Do Not Travel" Countries for U.S. Citizens | 241,957 | 0 | - |
| City Superlatives #2 | 13,076 | 0 | - |
| Majority Muslim Countries | 371,284 | 0 | - |
| Countries with the Tallest Buildings | 104,004 | 0 | - |
| 2020s Obituaries | 44,019 | 0 | - |
| Click the Countries on a Borderless World Map #3 | 47,929 | 0 | - |
| Name the Alliance | 29,322 | 0 | - |
| What Years Did These U.S. TV Shows Run? | 13,278 | 0 | - |
| Most Traded Currencies | 128,007 | 0 | - |
| Top 50 Countries by Population - In Order | 326,281 | 0 | - |
| Click to Assemble Country Flags #2 | 42,288 | 0 | - |
| U.S. States Simplified To Hexagons | 15,574 | 0 | - |
| Countries with the Most Tanks | 106,642 | 0 | - |
| Countries Producing the Most Bananas | 54,810 | 0 | - |
| Countries with the Most JetPunk Users | 166,285 | 0 | - |
| Pixar Movies Quiz | 430,445 | 0 | - |
| World's Biggest Airlines | 124,298 | 0 | - |
| When Did They Die Within Five Years | 37,481 | 0 | - |
| Sensible U.S. Airport Codes | 15,048 | 0 | - |
| Songs From Broadway Musicals #1 | 56,538 | 0 | - |
| Countries where the Sea Freezes | 113,739 | 0 | - |
| NBA Cities - Sudden Death | 60,107 | 0 | - |
| Singapore Airlines Destinations on a Map | 24,360 | 0 | - |
| Countries Whose Airlines Carried the Most Passengers | 71,887 | 0 | - |
| World's Most Valuable Companies | 79,860 | 0 | - |
| Countries that Visit Florida the Most | 71,654 | 0 | - |
| Olympic Medalists in Ice Hockey | 44,403 | 0 | - |
| U.S. States Californians are Moving to the Most | 30,867 | 0 | - |
| Smallest Countries with at Least One Border | 106,642 | 0 | - |
| FIFA World Cup Host Cities | 60,629 | 0 | - |
| Cities with the Most Opera Performances | 41,077 | 0 | - |
| Countries with the Most Sheep | 102,685 | 0 | - |
| Famous Disasters on the Map | 21,927 | 0 | - |
| Arms Exports - United States | 61,641 | 0 | - |
| Megacities on an Empty Map | 116,700 | 0 | - |
| Biggest Cities in the United States | 970,736 | 0 | - |
| Top 500 Spotify Artists Quiz | 26,751 | 0 | - |
| Cities With the Most Billionaires | 102,215 | 0 | - |
| 250 Biggest Cities in Europe With a Map | 114,265 | 0 | - |
| Cities by Initials | 24,524 | 0 | - |
| Every School with an NCAA Tournament Appearance | 4,562 | 0 | - |
| Five Most Guessed World Leaders by Country | 48,210 | 0 | - |
| Countries Across the Ocean from the U.S. | 32,126 | 0 | - |
| Name a Valid Country by Disputed Area | 46,748 | 0 | - |
| All ISO 639-1 Languages with a Map | 35,293 | 0 | - |