| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,393 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,132 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,968 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,439,450 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,009 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,024 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,315 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,427 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,786 |
| 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 | 177,105 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,140 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,405 |
| Random Country to Capital | 0 | - | 4.98 | 928,878 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,426 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,086 |
| 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 | 131,721 |
| Capital Cities Chain | 0 | - | 4.84 | 83,428 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,615 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,234 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,769 |
| 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 | 51,196 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,181 |
| Countries by Emojis | 0 | - | 4.99 | 242,593 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,627 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,194 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,049 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,762 |
| Countries that Produce the Most Cheese | 0 | - | 4.77 | 63,506 |
| World Currency Quiz | 0 | - | 4.92 | 307,028 |
| 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 | 136,155 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,697 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,484 |
| Orthodox Countries | 0 | - | 4.92 | 132,854 |
| Richest Island Countries | 0 | - | 4.85 | 101,262 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,552 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,757 |
| Battle to Country | 0 | - | 4.91 | 54,010 |
| Monarchies of Europe | 0 | - | 4.90 | 98,920 |
| Monarchies of Asia | 0 | - | 4.97 | 71,531 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,452 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,312 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,232 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,523 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,811 |
| Largest Economies in 2050 | 0 | - | 4.88 | 111,959 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,081 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,032 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,122 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,576 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,594 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,211 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,591 |
| Brand Logos Quiz #2 | 0 | - | 4.70 | 1,698,711 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,018,141 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 343,459 |
| 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 | 135,888 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,923 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,588 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,807 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,383 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,451 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,879 |
| 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 | 127,848 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,777 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,933 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,629 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,700 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,830 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,837 |
| Name a Valid African Country | 0 | - | 4.98 | 155,107 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,015 |
| Brand Logos Quiz #5 | 0 | - | 4.37 | 1,070,005 |
| Brand Logos Quiz #6 | 0 | - | 4.30 | 788,615 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,231,229 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 534,119 |
| Brand Logos Quiz #7 | 0 | - | 4.37 | 613,028 |
| Random Brand Logos | 0 | - | 4.45 | 404,930 |
| Boundary Waters | 0 | - | 4.92 | 88,791 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,428 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,745 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,835 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,116 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,911,066 |
| Landlocked Countries | 0 | - | 4.99 | 426,377 |
| Foods by Country of Origin #2 | 0 | - | 3.66 | 59,725 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,395 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,062 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,302 |
| Top 15 Countries in Wine Production per Capita | 0 | - | 4.74 | 65,148 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,346 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,106 |
| Star Wars Quotes | 0 | - | 4.86 | 186,321 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 53,287 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,946 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,438 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,045 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,064 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,555 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,066 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,484 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,786 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,616 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,486 |
| Which City in Europe? | 0 | - | 4.83 | 107,916 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,328 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,486 |
| Himalayan Countries | 0 | - | 4.93 | 140,431 |
| Andean Countries | 0 | - | 4.94 | 85,580 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,724 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,169 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,284 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,524 |
| Countries in World War I | 0 | - | 4.88 | 229,249 |
| Danube Countries | 0 | - | 4.97 | 72,455 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,667 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,889 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,236 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,709 |
| European Landlocked Countries | 0 | - | 4.99 | 147,652 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,371 |
| Countries with the Most Species | 0 | - | 4.99 | 103,595 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,230 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,479 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,788 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,909 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,870 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,607 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,056 |
| Countries in the Alps | 0 | - | 4.87 | 118,836 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,750 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,967 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,996 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,075 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,016 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,304 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,458 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,903 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,454 |
| 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 | 41,770 |
| 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 | 79,838 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,931 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,951 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,650 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,347 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,117 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,730 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,900 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,260 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,544 |
| Hindu Countries | 0 | - | 4.87 | 50,604 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 50,058 |
| Largest Countries By Category | 0 | - | 4.97 | 158,933 |
| Countries by Countries | 0 | - | 4.96 | 63,692 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,353 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,312 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,404 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,421 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,685 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,136 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,358 |
| Mountains by Country | 0 | - | 4.56 | 82,003 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,096 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,904 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,607 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,226 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,732 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,648 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,502 |
| Western Europe Map Quiz | 0 | - | 4.85 | 94,004 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,826 |
| World's Biggest Airlines | 0 | - | 4.42 | 126,272 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,627 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,205 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,593 |
| 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 | 42,380 |
