| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,611 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,621 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,275 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,417,501 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,585 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,661 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,654 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,258 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,403 |
| Companies by Country | 0 | - | 4.61 | 119,406 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,845 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,770 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,865 |
| Random Country to Capital | 0 | - | 4.98 | 918,187 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,825 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,754 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,541 |
| Countries by Milk Production | 0 | - | 4.54 | 43,899 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,241 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,226 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,683 |
| Capital Cities Chain | 0 | - | 4.83 | 82,473 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,666 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,116 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,766 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,912 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,239 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,346 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,644 |
| Countries by Emojis | 0 | - | 4.99 | 238,565 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,687 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,856 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,598 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,165 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,242 |
| World Currency Quiz | 0 | - | 4.91 | 301,873 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,098 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,655 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,059 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,032 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,927 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,054 |
| Orthodox Countries | 0 | - | 4.92 | 131,285 |
| Richest Island Countries | 0 | - | 4.84 | 100,294 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,469 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,067 |
| Battle to Country | 0 | - | 4.91 | 53,138 |
| Monarchies of Europe | 0 | - | 4.90 | 97,947 |
| Monarchies of Asia | 0 | - | 4.97 | 70,973 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,889 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,773 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,081 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,395 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,271 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,258 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,249 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,020 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,345 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,972 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,440 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,878 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,275 |
| Brand Logos Quiz #2 | 0 | - | 4.70 | 1,687,396 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,010,981 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 337,298 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,411 |
| Political Movements by Country | 0 | - | 4.46 | 72,465 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,787 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,389 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,561 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,309 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,145 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,046 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,917 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,326 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 130,347 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,906 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,733 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,759 |
| Books by Country Quiz | 0 | - | 4.30 | 32,220 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,873 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,777 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,816 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,935 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,920 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,333 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,914 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,755 |
| Name a Valid African Country | 0 | - | 4.98 | 153,749 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,271 |
| Brand Logos Quiz #5 | 0 | - | 4.37 | 1,062,835 |
| Brand Logos Quiz #6 | 0 | - | 4.31 | 782,929 |
| Brand Logos Quiz #3 | 0 | - | 4.33 | 1,223,770 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 530,046 |
| Brand Logos Quiz #7 | 0 | - | 4.37 | 608,523 |
| Random Brand Logos | 0 | - | 4.44 | 401,688 |
| Boundary Waters | 0 | - | 4.92 | 88,370 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,069 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,891 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,439 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,317 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,319,425 |
| Landlocked Countries | 0 | - | 4.99 | 418,704 |
| Foods by Country of Origin #2 | 0 | - | 3.67 | 59,474 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,415 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,050 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,405 |
| Top 15 Countries in Wine Production per Capita | 0 | - | 4.74 | 64,737 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,686 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,715 |
| Star Wars Quotes | 0 | - | 4.85 | 183,393 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,631 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,489 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,601 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,638 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,869 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,320 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,745 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,659 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,585 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,399 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,402 |
| Which City in Europe? | 0 | - | 4.83 | 107,151 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,347 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,889 |
| Himalayan Countries | 0 | - | 4.94 | 137,323 |
| Andean Countries | 0 | - | 4.95 | 83,878 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,167 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,575 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,794 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,315 |
| Countries in World War I | 0 | - | 4.88 | 227,812 |
| Danube Countries | 0 | - | 4.97 | 71,625 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,511 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,031 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,599 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,676 |
| European Landlocked Countries | 0 | - | 4.99 | 146,742 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,097 |
| Countries with the Most Species | 0 | - | 4.99 | 102,884 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,688 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,232 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,425 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,579 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,287 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,966 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,345 |
| Countries in the Alps | 0 | - | 4.87 | 117,643 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,107 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,320 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,392 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,959 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,063 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,429 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,250 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,163 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,951 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,530 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,463 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,326 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,905 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,532 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,175 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,189 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,137 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,046 |
| Countries with the Most Cathedrals | 0 | - | 4.49 | 45,377 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,558 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,490 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,270 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,171 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,981 |
| Hindu Countries | 0 | - | 4.86 | 50,003 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 49,795 |
| Largest Countries By Category | 0 | - | 4.97 | 157,599 |
| Countries by Countries | 0 | - | 4.96 | 62,817 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,780 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,173 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,067 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,153 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,465 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,303 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 191,483 |
| Mountains by Country | 0 | - | 4.56 | 81,723 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,471 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,523 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,832 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,608 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,528 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,455 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,352 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,726 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,204 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,832 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,386 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,022 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,059 |
| Longest International Borders | 0 | - | 4.99 | 264,621 |
| Countries with Three Borders | 0 | - | 4.96 | 36,446 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,903 |
