| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,064 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,298 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,787 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,951 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,321 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,990 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,611 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,409 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,440 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,553 |
| Companies by Country | 0 | - | 4.56 | 118,634 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,476 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,861 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,900 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,920 |
| Random Country to Capital | 0 | - | 4.98 | 910,903 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,307 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,509 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,442 |
| Countries by Milk Production | 0 | - | 4.54 | 43,582 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,079 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,566 |
| Capital Cities Chain | 0 | - | 4.84 | 81,852 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,912 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,941 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,323 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,421 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,103 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,667 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,064 |
| Countries by Emojis | 0 | - | 4.99 | 235,937 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,050 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,845 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,621 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,939 |
| Countries that Produce the Most Cheese | 0 | - | 4.74 | 63,037 |
| World Currency Quiz | 0 | - | 4.92 | 298,030 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,843 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,091 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,667 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,277 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,285 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,919 |
| Orthodox Countries | 0 | - | 4.91 | 130,296 |
| Richest Island Countries | 0 | - | 4.84 | 99,435 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,575 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,587 |
| Battle to Country | 0 | - | 4.91 | 52,464 |
| Monarchies of Europe | 0 | - | 4.90 | 97,244 |
| Monarchies of Asia | 0 | - | 4.97 | 70,556 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,035 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,400 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,064 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,394 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,492 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,580 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,860 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,858 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,649 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,558 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,519 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,798 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,985 |
| Brand Logos Quiz #2 | 0 | - | 4.69 | 1,678,305 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,005,274 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,229 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,348 |
| Political Movements by Country | 0 | - | 4.46 | 72,238 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,501 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,064 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,470 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,082 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,594 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,624 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,140 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,318 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,184 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,027 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,723 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,270 |
| Books by Country Quiz | 0 | - | 4.30 | 32,171 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,189 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,060 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,463 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,176 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,382 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,063 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,439 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,976 |
| Name a Valid African Country | 0 | - | 4.98 | 152,852 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,041 |
| Brand Logos Quiz #5 | 0 | - | 4.38 | 1,057,359 |
| Brand Logos Quiz #6 | 0 | - | 4.32 | 778,350 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,217,704 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 526,866 |
| Brand Logos Quiz #7 | 0 | - | 4.37 | 605,055 |
| Random Brand Logos | 0 | - | 4.45 | 399,232 |
| Boundary Waters | 0 | - | 4.92 | 88,015 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,208 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,163 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,859 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,874,432 |
| Landlocked Countries | 0 | - | 4.99 | 413,115 |
| Foods by Country of Origin #2 | 0 | - | 3.67 | 59,236 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,055 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,140 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,079 |
| Top 15 Countries in Wine Production per Capita | 0 | - | 4.74 | 64,435 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,063 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,498 |
| Star Wars Quotes | 0 | - | 4.84 | 173,318 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,351 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,124 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,937 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,506 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,874 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,083 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,767 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,976 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,787 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,447 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,327 |
| Which City in Europe? | 0 | - | 4.83 | 106,571 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,848 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,362 |
| Himalayan Countries | 0 | - | 4.95 | 135,146 |
| Andean Countries | 0 | - | 4.94 | 82,720 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,141 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,065 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,810 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,508 |
| Countries in World War I | 0 | - | 4.88 | 226,500 |
| Danube Countries | 0 | - | 4.97 | 71,026 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,686 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,481 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,347 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,270 |
| European Landlocked Countries | 0 | - | 4.99 | 145,694 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,102 |
| Countries with the Most Species | 0 | - | 4.99 | 95,210 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,300 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,252 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,186 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,344 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,924 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,537 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,893 |
| Countries in the Alps | 0 | - | 4.87 | 116,737 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,503 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,147 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,965 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,360 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,092 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,952 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,504 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,708 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,796 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,004 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,178 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,009 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,395 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,168 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,701 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,945 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,588 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,783 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,216 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,717 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,976 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,461 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,561 |
| Hindu Countries | 0 | - | 4.85 | 49,480 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 49,564 |
| Largest Countries By Category | 0 | - | 4.97 | 156,666 |
| Countries by Countries | 0 | - | 4.96 | 62,202 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,372 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,284 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,938 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,943 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,310 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,698 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 190,868 |
| Mountains by Country | 0 | - | 4.64 | 81,530 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,900 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,682 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,250 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,440 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,816 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,656 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,469 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,503 |
| World's Biggest Airlines | 0 | - | 4.44 | 123,766 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,222 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,232 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,574 |
| Longest International Borders | 0 | - | 4.99 | 263,425 |
| Countries with Three Borders | 0 | - | 4.96 | 36,150 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,576 |
