| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,053 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,290 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,775 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,399,305 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,262 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,928 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,574 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,366 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,408 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,526 |
| Companies by Country | 0 | - | 4.56 | 118,618 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,437 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,824 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,870 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,487 |
| Random Country to Capital | 0 | - | 4.98 | 910,651 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,293 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,499 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,436 |
| Countries by Milk Production | 0 | - | 4.54 | 43,575 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,074 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,518 |
| Capital Cities Chain | 0 | - | 4.84 | 81,822 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,892 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,706 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,280 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,399 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,101 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,643 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,027 |
| Countries by Emojis | 0 | - | 4.99 | 235,865 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,031 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,816 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,519 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,882 |
| Countries that Produce the Most Cheese | 0 | - | 4.74 | 63,025 |
| World Currency Quiz | 0 | - | 4.92 | 297,889 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,836 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,069 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,657 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,257 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,273 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,892 |
| Orthodox Countries | 0 | - | 4.91 | 130,268 |
| Richest Island Countries | 0 | - | 4.84 | 99,405 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,542 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,569 |
| Battle to Country | 0 | - | 4.91 | 52,448 |
| Monarchies of Europe | 0 | - | 4.90 | 97,224 |
| Monarchies of Asia | 0 | - | 4.97 | 70,545 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 76,981 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,383 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,034 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,362 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,468 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,553 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,775 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,831 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,611 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,545 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,492 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,757 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,974 |
| Brand Logos Quiz #2 | 0 | - | 4.69 | 1,677,986 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,005,082 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,095 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,345 |
| Political Movements by Country | 0 | - | 4.46 | 72,230 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,491 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,046 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,467 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,004 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,577 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,614 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,114 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,303 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,161 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,011 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,686 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,240 |
| Books by Country Quiz | 0 | - | 4.30 | 32,168 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,180 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,040 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,456 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,154 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,359 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,055 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,341 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,951 |
| Name a Valid African Country | 0 | - | 4.98 | 152,829 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,000 |
| Brand Logos Quiz #5 | 0 | - | 4.38 | 1,057,192 |
| Brand Logos Quiz #6 | 0 | - | 4.32 | 778,188 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,217,503 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 526,739 |
| Brand Logos Quiz #7 | 0 | - | 4.36 | 604,935 |
| Random Brand Logos | 0 | - | 4.45 | 399,115 |
| Boundary Waters | 0 | - | 4.92 | 87,996 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,190 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,153 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,844 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,861,258 |
| Landlocked Countries | 0 | - | 4.99 | 412,972 |
| Foods by Country of Origin #2 | 0 | - | 3.67 | 59,230 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,051 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,132 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,058 |
| Top 15 Countries in Wine Production per Capita | 0 | - | 4.74 | 64,421 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,053 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,492 |
| Star Wars Quotes | 0 | - | 4.84 | 173,273 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,306 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,114 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,915 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,489 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,850 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,070 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,728 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,947 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,366 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,362 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,323 |
| Which City in Europe? | 0 | - | 4.83 | 106,558 |
| Last Names by Country of Origin | 0 | - | 4.63 | 155,833 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,301 |
| Himalayan Countries | 0 | - | 4.95 | 135,093 |
| Andean Countries | 0 | - | 4.94 | 82,689 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,100 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,023 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,788 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,491 |
| Countries in World War I | 0 | - | 4.88 | 226,315 |
| Danube Countries | 0 | - | 4.97 | 71,012 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,658 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,468 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,315 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,229 |
| European Landlocked Countries | 0 | - | 4.99 | 145,680 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,070 |
| Countries with the Most Species | 0 | - | 4.99 | 95,199 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,256 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,224 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,335 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,913 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,524 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,882 |
| Countries in the Alps | 0 | - | 4.87 | 116,705 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,489 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,109 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,949 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,335 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,075 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,942 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,484 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,695 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,306 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,983 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,168 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,002 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,378 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,152 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,686 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,685 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,902 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,579 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,772 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,208 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,692 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,895 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,408 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,548 |
| Hindu Countries | 0 | - | 4.85 | 49,451 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 49,553 |
| Largest Countries By Category | 0 | - | 4.97 | 156,644 |
| Countries by Countries | 0 | - | 4.96 | 62,184 |
| Countries With One Word and Two U's | 0 | - | 4.50 | 50,361 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,246 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,931 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,936 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,307 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,671 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 190,837 |
| Mountains by Country | 0 | - | 4.64 | 81,526 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,678 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,657 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,224 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,399 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,793 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,645 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,461 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,489 |
| World's Biggest Airlines | 0 | - | 4.44 | 123,723 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,215 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,185 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,558 |
| Longest International Borders | 0 | - | 4.99 | 263,394 |
| Countries with Three Borders | 0 | - | 4.96 | 36,138 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,566 |
