| Countries with the Most Military Troops | 0 | - | 4.95 | 284,583 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,793 |
| Countries with NO Military | 0 | - | 4.97 | 61,087 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,169 |
| Richest Island Countries | 0 | - | 4.84 | 99,415 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,864,882 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,091 |
| NATO Countries | 0 | - | 4.98 | 275,244 |
| EU Countries Quiz | 0 | - | 4.99 | 269,533 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,827 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,611 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,849 |
| Landlocked Countries | 0 | - | 4.99 | 413,003 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,293 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,657 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,041 |
| African Island Countries | 0 | - | 4.96 | 100,682 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,644 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,822 |
| Buddhist Countries | 0 | - | 4.96 | 142,844 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,553 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,896 |
| Islands by Country #1 | 0 | - | 4.87 | 174,414 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,995 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,317 |
| Himalayan Countries | 0 | - | 4.95 | 135,118 |
| Andean Countries | 0 | - | 4.94 | 82,694 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,114 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,031 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,793 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,499 |
| Countries in World War I | 0 | - | 4.88 | 226,401 |
| Danube Countries | 0 | - | 4.97 | 71,015 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,666 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,470 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,326 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,241 |
| European Landlocked Countries | 0 | - | 4.99 | 145,684 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,079 |
| Countries with the Most Species | 0 | - | 4.99 | 95,203 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,264 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,235 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,180 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,338 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,916 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,529 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,889 |
| Countries in the Alps | 0 | - | 4.87 | 116,714 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,497 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,116 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,957 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,341 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,079 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,944 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,491 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,699 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,534 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,988 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,171 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,005 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,388 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,692 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,690 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,922 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,582 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,209 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,698 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,921 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,419 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,553 |
| Largest Countries By Category | 0 | - | 4.97 | 156,653 |
| Countries by Countries | 0 | - | 4.96 | 62,188 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,678 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,193 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,883 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,082 |
| Island Countries | 0 | - | 4.99 | 707,317 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,572 |
| Northernmost Countries | 0 | - | 4.99 | 357,342 |
| Countries of South America | 0 | - | 5.00 | 913,653 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,010 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,760 |
| "Land" Countries | 0 | - | 4.98 | 333,465 |
| Countries that Start with A | 0 | - | 4.98 | 2,145,067 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,356 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,072 |
| Countries that Start with D | 0 | - | 4.96 | 700,704 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,532 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,728 |
| Countries that Start with H | 0 | - | 4.96 | 597,232 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,411 |
| Countries that Start with J | 0 | - | 4.98 | 595,315 |
| Countries that Start with K | 0 | - | 4.96 | 808,753 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,128 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,990 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,809 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,460 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,587 |
| Countries that Start with U | 0 | - | 4.97 | 899,399 |
| Countries that Start with V | 0 | - | 4.98 | 604,650 |
| Countries that Start with F | 0 | - | 4.83 | 611,616 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,484 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,585 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,902 |
| Orthodox Countries | 0 | - | 4.91 | 130,278 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,500 |
| Monarchies of Europe | 0 | - | 4.90 | 97,228 |
| Monarchies of Asia | 0 | - | 4.97 | 70,546 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,292 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,387 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,178 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,047 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,375 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,475 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,563 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,797 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,838 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,622 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,497 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,774 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,350 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,906 |
| Countries with Megacities | 0 | - | 4.99 | 246,295 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,828 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,754 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,285 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,692 |
| Countries by Official Language | 0 | - | 4.95 | 192,617 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,928 |
| Countries in their Native Language | 0 | - | 4.99 | 196,501 |
| Independence from Whom | 0 | - | 4.99 | 209,522 |
| Subdivisions by Country | 0 | - | 4.86 | 50,036 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,606 |
| Megadiverse Countries | 0 | - | 4.97 | 133,841 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,675 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,883 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,380 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,844 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,566 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,945 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,617 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,075 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,186 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,719 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,429 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,374 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,446 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,462 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,619 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,018 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,694 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,250 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,237 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,196 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,901 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,867 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,546 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,788 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,985 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,191 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,890 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,278 |
| Widest Countries East to West | 0 | - | 4.92 | 128,542 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,196 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,104 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,531 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,636 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,531 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,965 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,035 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,554 |
| Countries with Double Letters | 0 | - | 4.97 | 93,251 |
| Countries that End in N | 0 | - | 4.94 | 156,318 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,524 |
| Countries with Six Letters | 0 | - | 4.93 | 210,224 |
| Countries with W | 0 | - | 4.97 | 158,127 |
| Countries with Z | 0 | - | 4.98 | 287,629 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,448 |
| Countries That End in U | 0 | - | 4.95 | 119,460 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,385 |
| Countries that End in O | 0 | - | 4.92 | 158,492 |
| Countries that End in R | 0 | - | 4.86 | 118,214 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,818 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,891 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,198 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,401 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,586 |
| Countries That End in Y | 0 | - | 4.90 | 185,163 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,203 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,574 |
| Countries that End in I | 0 | - | 4.94 | 134,325 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,046 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,152 |
| Countries That End in NIA | 0 | - | 4.92 | 108,943 |
| Countries That End in BIA | 0 | - | 4.92 | 147,630 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,994 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,424 |
| Countries That End in RIA | 0 | - | 4.93 | 126,029 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,932 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,019 |
