| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,067 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,299 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,788 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,400,049 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,329 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,996 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,614 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,414 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,449 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,562 |
| Companies by Country | 0 | - | 4.56 | 118,636 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,483 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,862 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,903 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,954 |
| Random Country to Capital | 0 | - | 4.98 | 910,936 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,309 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,512 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,442 |
| Countries by Milk Production | 0 | - | 4.54 | 43,584 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,079 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,574 |
| Capital Cities Chain | 0 | - | 4.84 | 81,855 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,919 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,017 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,335 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 80,422 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,103 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,670 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,069 |
| Countries by Emojis | 0 | - | 4.99 | 235,952 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,052 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,850 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,633 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,942 |
| Countries that Produce the Most Cheese | 0 | - | 4.74 | 63,038 |
| World Currency Quiz | 0 | - | 4.92 | 298,041 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,843 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,094 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,668 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,283 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,286 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,922 |
| Orthodox Countries | 0 | - | 4.91 | 130,300 |
| Richest Island Countries | 0 | - | 4.84 | 99,437 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,578 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,589 |
| Battle to Country | 0 | - | 4.91 | 52,466 |
| Monarchies of Europe | 0 | - | 4.90 | 97,249 |
| Monarchies of Asia | 0 | - | 4.97 | 70,557 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,041 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,402 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,069 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,398 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,493 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,585 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,867 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,863 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,651 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,559 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,523 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,801 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,987 |
| Brand Logos Quiz #2 | 0 | - | 4.69 | 1,678,360 |
| Brand Logos Quiz #4 | 0 | - | 4.45 | 1,005,303 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,260 |
| Countries that Eat the Most Meat | 0 | - | 4.23 | 42,349 |
| Political Movements by Country | 0 | - | 4.46 | 72,239 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,501 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,066 |
| Cities with the Most Michelin Stars | 0 | - | 4.33 | 24,470 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,089 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,600 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,628 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,148 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,324 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,186 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,029 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,729 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,274 |
| Books by Country Quiz | 0 | - | 4.30 | 32,172 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,190 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,062 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,466 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,181 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,383 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,063 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,450 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,981 |
| Name a Valid African Country | 0 | - | 4.98 | 152,857 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,045 |
| Brand Logos Quiz #5 | 0 | - | 4.38 | 1,057,382 |
| Brand Logos Quiz #6 | 0 | - | 4.32 | 778,376 |
| Brand Logos Quiz #3 | 0 | - | 4.32 | 1,217,730 |
| Brand Logos Quiz #8 | 0 | - | 4.36 | 526,879 |
| Brand Logos Quiz #7 | 0 | - | 4.37 | 605,072 |
| Random Brand Logos | 0 | - | 4.45 | 399,241 |
| Boundary Waters | 0 | - | 4.92 | 88,016 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,212 |
| 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 | 46,876,039 |
| Landlocked Countries | 0 | - | 4.99 | 413,129 |
| Foods by Country of Origin #2 | 0 | - | 3.67 | 59,236 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,058 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,142 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,086 |
| Top 15 Countries in Wine Production per Capita | 0 | - | 4.74 | 64,436 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,063 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,499 |
| Star Wars Quotes | 0 | - | 4.84 | 173,322 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,357 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,125 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,941 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,511 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,878 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,086 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,775 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,981 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,951 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,465 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,327 |
| Which City in Europe? | 0 | - | 4.83 | 106,573 |
| Last Names by Country of Origin | 0 | - | 4.64 | 155,851 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,371 |
| Himalayan Countries | 0 | - | 4.95 | 135,154 |
| Andean Countries | 0 | - | 4.94 | 82,723 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,144 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,072 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,816 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,510 |
| Countries in World War I | 0 | - | 4.88 | 226,502 |
| Danube Countries | 0 | - | 4.97 | 71,027 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,691 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,484 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,351 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,275 |
| European Landlocked Countries | 0 | - | 4.99 | 145,696 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,106 |
| Countries with the Most Species | 0 | - | 4.99 | 95,214 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,302 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,256 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,187 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,345 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,925 |
| 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 | 116,739 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,506 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,151 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,967 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,361 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,094 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,955 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,505 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,710 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,823 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,006 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,178 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,011 |
| 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 | 76,703 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,950 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,590 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,783 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,218 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,720 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,986 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,471 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,562 |
| Hindu Countries | 0 | - | 4.85 | 49,485 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 49,567 |
| Largest Countries By Category | 0 | - | 4.97 | 156,668 |
| Countries by Countries | 0 | - | 4.96 | 62,203 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,374 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,290 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,938 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,944 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,310 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,699 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 190,875 |
| Mountains by Country | 0 | - | 4.64 | 81,533 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,068 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,684 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,253 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,445 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,819 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,657 |
| 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 | 123,771 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,222 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,247 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,578 |
| Longest International Borders | 0 | - | 4.99 | 263,428 |
| Countries with Three Borders | 0 | - | 4.96 | 36,151 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,577 |
