| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,221 |
| Countries with NO Military | 0 | - | 4.97 | 61,322 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,474 |
| NATO Countries | 0 | - | 4.98 | 276,991 |
| EU Countries Quiz | 0 | - | 4.99 | 270,723 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,479 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,048 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,019 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,025,592 |
| Majority Muslim Countries | 0 | - | 4.98 | 370,513 |
| Landlocked Countries | 0 | - | 4.99 | 414,952 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,727,575 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,131 |
| Himalayan Countries | 0 | - | 4.95 | 135,830 |
| Andean Countries | 0 | - | 4.94 | 83,098 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,422 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,530 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,123 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,782 |
| Danube Countries | 0 | - | 4.97 | 71,220 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,947 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,670 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,774 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,693 |
| European Landlocked Countries | 0 | - | 4.99 | 145,921 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,441 |
| Countries with the Most Species | 0 | - | 4.99 | 95,317 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,585 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,251 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,423 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,037 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,689 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,051 |
| Countries in the Alps | 0 | - | 4.86 | 117,047 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,716 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,513 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,133 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,546 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,333 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,744 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,866 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,653 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,808 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,174 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,255 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,119 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,579 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,852 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,864 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,361 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,762 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,333 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,975 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,043 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,091 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,702 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,866 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,268 |
| Largest Countries By Category | 0 | - | 4.97 | 156,965 |
| Countries by Countries | 0 | - | 4.96 | 62,404 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,644 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,121 |
| Buddhist Countries | 0 | - | 4.96 | 143,144 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,903 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,329 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,359 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,498 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,591 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,545 |
| Island Countries | 0 | - | 4.99 | 708,140 |
| Countries in World War I | 0 | - | 4.88 | 226,833 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,681 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,243 |
| Northernmost Countries | 0 | - | 4.99 | 358,488 |
| Countries of South America | 0 | - | 5.00 | 917,165 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,300 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,924 |
| "Land" Countries | 0 | - | 4.98 | 334,004 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,740 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,282 |
| Orthodox Countries | 0 | - | 4.91 | 130,596 |
| Richest Island Countries | 0 | - | 4.84 | 99,712 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,922 |
| Monarchies of Europe | 0 | - | 4.90 | 97,491 |
| Monarchies of Asia | 0 | - | 4.97 | 70,694 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,713 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,516 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,522 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,399 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,692 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,648 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,783 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 264,611 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,392 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,868 |
| Countries that Start with A | 0 | - | 4.98 | 2,150,057 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,682 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,584 |
| Countries that Start with D | 0 | - | 4.96 | 703,116 |
| Countries that Start with E | 0 | - | 4.95 | 1,369,381 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,808 |
| Countries that Start with H | 0 | - | 4.96 | 599,212 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,813 |
| Countries that Start with J | 0 | - | 4.98 | 597,284 |
| Countries that Start with K | 0 | - | 4.97 | 810,567 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,348 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,269 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,942 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,566 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,292 |
| Countries that Start with U | 0 | - | 4.97 | 900,790 |
| Countries that Start with V | 0 | - | 4.98 | 605,886 |
| Countries that Start with F | 0 | - | 4.83 | 613,267 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,968 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,811 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,168 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,664 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,788 |
| Countries with Megacities | 0 | - | 4.99 | 247,955 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,675 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,292 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,056 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,241 |
| Countries by Official Language | 0 | - | 4.95 | 193,059 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,542 |
| Countries in their Native Language | 0 | - | 4.99 | 196,907 |
| Independence from Whom | 0 | - | 4.99 | 210,046 |
| Subdivisions by Country | 0 | - | 4.86 | 50,122 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,992 |
| Megadiverse Countries | 0 | - | 4.97 | 134,020 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,073 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,986 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,499 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,894 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,826 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,095 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,273 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,348 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,275 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,775 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,826 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,486 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,591 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,570 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,765 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,514 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,701 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,459 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,194 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,200 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,070 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,272 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,464 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,044 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,501 |
| Widest Countries East to West | 0 | - | 4.92 | 128,993 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,277 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,425 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,635 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,832 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,780 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,192 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 76,158 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,632 |
| Countries with Double Letters | 0 | - | 4.96 | 93,633 |
| Countries that End in N | 0 | - | 4.94 | 157,097 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,966 |
| Countries with Six Letters | 0 | - | 4.93 | 210,628 |
| Countries with W | 0 | - | 4.97 | 158,390 |
| Countries with Z | 0 | - | 4.98 | 288,171 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,717 |
| Countries That End in U | 0 | - | 4.95 | 119,595 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,831 |
| Countries that End in O | 0 | - | 4.92 | 158,633 |
| Countries that End in R | 0 | - | 4.87 | 118,357 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,919 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,358 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,503 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,618 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,166 |
| Countries That End in Y | 0 | - | 4.90 | 185,273 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,571 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,864 |
| Countries that End in I | 0 | - | 4.94 | 134,521 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,410 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,282 |
| Countries That End in NIA | 0 | - | 4.92 | 109,098 |
| Countries That End in BIA | 0 | - | 4.92 | 147,830 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,217 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,612 |
| Countries That End in RIA | 0 | - | 4.93 | 126,181 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,148 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,628 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,644 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,998 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,527 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,011 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,260 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,766 |
