| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,091 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,167 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,137 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,230 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,348 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,229 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,069 |
| Companies by Country | 0 | - | 4.56 | 118,691 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,101 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,510 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,907,213 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,636 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,824 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,420 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,724 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,116 |
| Countries by Emojis | 0 | - | 4.99 | 236,117 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,095 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,907 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,059 |
| Landlocked Countries | 0 | - | 4.99 | 413,460 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,715,351 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 104,784 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,088 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,695 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,348 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,324 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,011 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,330 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,839 |
| Orthodox Countries | 0 | - | 4.91 | 130,361 |
| Richest Island Countries | 0 | - | 4.84 | 99,501 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,661 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,617 |
| Battle to Country | 0 | - | 4.91 | 52,505 |
| Monarchies of Europe | 0 | - | 4.90 | 97,299 |
| Monarchies of Asia | 0 | - | 4.97 | 70,591 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,430 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,148 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,476 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,539 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,634 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,049 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,925 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,698 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,589 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,576 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,887 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,972 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,485 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,685 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,489 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,068 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,769 |
| Island Countries | 0 | - | 4.99 | 707,558 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,518 |
| Himalayan Countries | 0 | - | 4.95 | 135,302 |
| Andean Countries | 0 | - | 4.94 | 82,802 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,194 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,160 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,870 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,575 |
| Danube Countries | 0 | - | 4.97 | 71,066 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,736 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,522 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,436 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,360 |
| European Landlocked Countries | 0 | - | 4.99 | 145,735 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,178 |
| Countries with the Most Species | 0 | - | 4.99 | 95,235 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,317 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,195 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,363 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,949 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,563 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,938 |
| Countries in the Alps | 0 | - | 4.86 | 116,793 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,543 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,232 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,994 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,406 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,137 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,982 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,555 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,741 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,206 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,037 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,192 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,034 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,439 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,724 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,741 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,028 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,625 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,248 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,754 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,206 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,627 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,595 |
| Largest Countries By Category | 0 | - | 4.97 | 156,731 |
| Countries by Countries | 0 | - | 4.96 | 62,245 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,899 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,821 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,310 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,631 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,356 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,959 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,327 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,748 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,285 |
| Northernmost Countries | 0 | - | 4.99 | 357,653 |
| Countries of South America | 0 | - | 5.00 | 914,446 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,140 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,842 |
| "Land" Countries | 0 | - | 4.98 | 333,603 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,228 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,110 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,484 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,240 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,435 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,084 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,719 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,040 |
| Name a Valid African Country | 0 | - | 4.98 | 152,924 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,951 |
| Political Movements by Country | 0 | - | 4.46 | 72,254 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,807 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,562 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,098 |
| Countries with Megacities | 0 | - | 4.99 | 246,733 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,027 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,895 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,451 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,804 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,061 |
| Countries by Official Language | 0 | - | 4.95 | 192,742 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,077 |
| Countries in their Native Language | 0 | - | 4.99 | 196,604 |
| Independence from Whom | 0 | - | 4.99 | 209,646 |
| Subdivisions by Country | 0 | - | 4.86 | 50,061 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,720 |
| Countries in World War I | 0 | - | 4.88 | 226,580 |
| Megadiverse Countries | 0 | - | 4.97 | 133,888 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,383 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,773 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,914 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,421 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,854 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,635 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,988 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,898 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,133 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,208 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,738 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,540 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,405 |
| Hindu Countries | 0 | - | 4.85 | 49,560 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,483 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,491 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,657 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,013 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,537 |
| World Map Quiz | 0 | - | 4.81 | 63,477 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,579 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,313 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,317 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,974 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,932 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,701 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,838 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,047 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,261 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,934 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,325 |
| Widest Countries East to West | 0 | - | 4.92 | 128,595 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,215 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,190 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,561 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,679 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,616 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,027 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,049 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,575 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,781 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,760 |
| Countries with Double Letters | 0 | - | 4.97 | 93,356 |
| Countries that End in N | 0 | - | 4.94 | 156,633 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,652 |
| Countries with Six Letters | 0 | - | 4.93 | 210,318 |
| Countries with W | 0 | - | 4.97 | 158,206 |
| Countries with Z | 0 | - | 4.98 | 287,835 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,526 |
| Countries That End in U | 0 | - | 4.95 | 119,506 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,515 |
| Countries that End in O | 0 | - | 4.92 | 158,540 |
| Countries that End in R | 0 | - | 4.87 | 118,262 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,854 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,985 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,305 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,477 |
