| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,390 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,132 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,967 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,439,416 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,001 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,020 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,310 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,426 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,785 |
| Companies by Country | 0 | - | 4.61 | 120,461 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 338,063 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,101 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,137 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,377 |
| Random Country to Capital | 0 | - | 4.98 | 928,851 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,424 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,084 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,700 |
| Countries by Milk Production | 0 | - | 4.54 | 44,248 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,406 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,719 |
| Capital Cities Chain | 0 | - | 4.84 | 83,426 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,615 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,205 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,763 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 81,550 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,438 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,194 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,179 |
| Countries by Emojis | 0 | - | 4.99 | 242,590 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,625 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,192 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,043 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,756 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,506 |
| World Currency Quiz | 0 | - | 4.92 | 307,014 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,431 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,596 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,489 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,151 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,696 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,482 |
| Orthodox Countries | 0 | - | 4.92 | 132,851 |
| Richest Island Countries | 0 | - | 4.85 | 101,260 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,544 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,752 |
| Battle to Country | 0 | - | 4.91 | 54,007 |
| Monarchies of Europe | 0 | - | 4.90 | 98,918 |
| Monarchies of Asia | 0 | - | 4.97 | 71,530 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,449 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,310 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,228 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,521 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,807 |
| Largest Economies in 2050 | 0 | - | 4.88 | 111,956 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,072 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,029 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,122 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,575 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,594 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,210 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,591 |
| Brand Logos Quiz #2 | 0 | - | 4.70 | 1,698,694 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,018,133 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 343,452 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,503 |
| Political Movements by Country | 0 | - | 4.46 | 72,790 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,328 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,993 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,663 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,884 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,921 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,588 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,805 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,382 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,448 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,877 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,097 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,317 |
| Books by Country Quiz | 0 | - | 4.30 | 32,320 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,955 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,847 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,776 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,929 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,629 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,699 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,823 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,834 |
| Name a Valid African Country | 0 | - | 4.98 | 155,101 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,011 |
| Brand Logos Quiz #5 | 0 | - | 4.37 | 1,069,996 |
| Brand Logos Quiz #6 | 0 | - | 4.30 | 788,607 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,231,217 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 534,115 |
| Brand Logos Quiz #7 | 0 | - | 4.37 | 613,024 |
| Random Brand Logos | 0 | - | 4.45 | 404,927 |
| Boundary Waters | 0 | - | 4.92 | 88,789 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,428 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,743 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,832 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,113 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,910,061 |
| Landlocked Countries | 0 | - | 4.99 | 426,355 |
| Foods by Country of Origin #2 | 0 | - | 3.66 | 59,725 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,385 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,062 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,296 |
| Top 15 Countries in Wine Production per Capita | 0 | - | 4.74 | 65,146 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,344 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,105 |
| Star Wars Quotes | 0 | - | 4.86 | 186,321 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 53,286 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,945 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,437 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,045 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,061 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,555 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,065 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,482 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,709 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,614 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,486 |
| Which City in Europe? | 0 | - | 4.83 | 107,915 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,324 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,476 |
| Himalayan Countries | 0 | - | 4.93 | 140,427 |
| Andean Countries | 0 | - | 4.94 | 85,569 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,719 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,166 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,281 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,520 |
| Countries in World War I | 0 | - | 4.88 | 229,240 |
| Danube Countries | 0 | - | 4.97 | 72,454 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,666 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,887 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,231 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,707 |
| European Landlocked Countries | 0 | - | 4.99 | 147,649 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,368 |
| Countries with the Most Species | 0 | - | 4.99 | 103,594 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,227 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,476 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,788 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,906 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,870 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,606 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,055 |
| Countries in the Alps | 0 | - | 4.87 | 118,836 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,744 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,964 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,996 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,073 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,011 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,301 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,455 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,903 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,453 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,221 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,906 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,769 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,594 |
| Countries Richer Than Their Neighbors | 0 | - | 4.47 | 72,999 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,834 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,929 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,946 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,647 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,347 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,056 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,728 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,892 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,256 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,544 |
| Hindu Countries | 0 | - | 4.87 | 50,603 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 50,057 |
| Largest Countries By Category | 0 | - | 4.97 | 158,930 |
| Countries by Countries | 0 | - | 4.96 | 63,690 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,353 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,310 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,404 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,420 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,685 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,134 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,356 |
| Mountains by Country | 0 | - | 4.56 | 82,003 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,010 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,903 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,606 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,225 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,731 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,647 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,500 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,994 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,825 |
| World's Biggest Airlines | 0 | - | 4.42 | 126,269 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,627 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,201 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,591 |
| Longest International Borders | 0 | - | 4.99 | 265,877 |
| Countries with Three Borders | 0 | - | 4.96 | 36,792 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,379 |
