| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,076 |
| Countries with NO Military | 0 | - | 4.97 | 61,136 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,221 |
| NATO Countries | 0 | - | 4.98 | 275,522 |
| EU Countries Quiz | 0 | - | 4.99 | 269,737 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,966 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,692 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,885 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,893,321 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,337 |
| Landlocked Countries | 0 | - | 4.99 | 413,300 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,713,876 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,444 |
| Himalayan Countries | 0 | - | 4.95 | 135,231 |
| Andean Countries | 0 | - | 4.94 | 82,765 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,175 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,114 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,846 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,550 |
| Danube Countries | 0 | - | 4.97 | 71,047 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,715 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,504 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,399 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,328 |
| European Landlocked Countries | 0 | - | 4.99 | 145,718 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,147 |
| Countries with the Most Species | 0 | - | 4.99 | 95,227 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,288 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,941 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,549 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,921 |
| Countries in the Alps | 0 | - | 4.87 | 116,771 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,526 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,189 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,986 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,391 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,116 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,971 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,531 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,726 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,109 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,389 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,022 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,183 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,023 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,419 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,714 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,723 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,001 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,612 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,239 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,736 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,094 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,540 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,575 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,699 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,088 |
| Largest Countries By Category | 0 | - | 4.97 | 156,702 |
| Countries by Countries | 0 | - | 4.96 | 62,227 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,867 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,878 |
| Buddhist Countries | 0 | - | 4.96 | 142,904 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,722 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,736 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,012 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,477 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,013 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,602 |
| Island Countries | 0 | - | 4.99 | 707,487 |
| Countries in World War I | 0 | - | 4.88 | 226,552 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,353 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,057 |
| Northernmost Countries | 0 | - | 4.99 | 357,547 |
| Countries of South America | 0 | - | 5.00 | 914,163 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,737 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,132 |
| "Land" Countries | 0 | - | 4.98 | 333,556 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,612 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,973 |
| Orthodox Countries | 0 | - | 4.91 | 130,335 |
| Richest Island Countries | 0 | - | 4.84 | 99,474 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,448 |
| Monarchies of Europe | 0 | - | 4.90 | 97,279 |
| Monarchies of Asia | 0 | - | 4.97 | 70,579 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,378 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,420 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,235 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,111 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,443 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,522 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,613 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,974 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,901 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,677 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,004 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,164 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,753 |
| Countries that Start with D | 0 | - | 4.96 | 701,156 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,069 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,287 |
| Countries that Start with H | 0 | - | 4.96 | 597,621 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,905 |
| Countries that Start with J | 0 | - | 4.98 | 595,684 |
| Countries that Start with K | 0 | - | 4.96 | 809,116 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,529 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,393 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,226 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,048 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,954 |
| Countries that Start with U | 0 | - | 4.97 | 899,727 |
| Countries that Start with V | 0 | - | 4.98 | 604,897 |
| Countries that Start with F | 0 | - | 4.83 | 611,926 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,925 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,548 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,854 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,418 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,999 |
| Countries with Megacities | 0 | - | 4.99 | 246,521 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,915 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,799 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,369 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,756 |
| Countries by Official Language | 0 | - | 4.95 | 192,706 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,038 |
| Countries in their Native Language | 0 | - | 4.99 | 196,560 |
| Independence from Whom | 0 | - | 4.99 | 209,600 |
| Subdivisions by Country | 0 | - | 4.86 | 50,050 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,686 |
| Megadiverse Countries | 0 | - | 4.97 | 133,867 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,738 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,904 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,407 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,607 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,973 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,836 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,119 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,203 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,732 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,502 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,398 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,475 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,486 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,645 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,286 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,271 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,947 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,908 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,646 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,824 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,029 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,239 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,924 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,311 |
| Widest Countries East to West | 0 | - | 4.92 | 128,579 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,210 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,166 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,551 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,668 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,597 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,012 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,046 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,567 |
| Countries with Double Letters | 0 | - | 4.97 | 93,308 |
| Countries that End in N | 0 | - | 4.94 | 156,371 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,603 |
| Countries with Six Letters | 0 | - | 4.93 | 210,281 |
| Countries with W | 0 | - | 4.97 | 158,178 |
| Countries with Z | 0 | - | 4.98 | 287,789 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,498 |
| Countries That End in U | 0 | - | 4.95 | 119,490 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,477 |
| Countries that End in O | 0 | - | 4.92 | 158,525 |
| Countries that End in R | 0 | - | 4.87 | 118,249 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,844 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,951 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,279 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,456 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,950 |
| Countries That End in Y | 0 | - | 4.90 | 185,183 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,310 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,626 |
| Countries that End in I | 0 | - | 4.94 | 134,378 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,129 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,175 |
| Countries That End in NIA | 0 | - | 4.92 | 108,974 |
| Countries That End in BIA | 0 | - | 4.92 | 147,673 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,025 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,449 |
| Countries That End in RIA | 0 | - | 4.93 | 126,054 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,973 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,119 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,486 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,866 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,322 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,910 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,086 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,612 |
