| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,393 |
| Countries with NO Military | 0 | - | 4.97 | 61,846 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,019 |
| NATO Countries | 0 | - | 4.98 | 278,890 |
| EU Countries Quiz | 0 | - | 4.99 | 272,493 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,530 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,798 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,334 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,272,727 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,749 |
| Landlocked Countries | 0 | - | 4.99 | 418,054 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,751,299 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,556 |
| Himalayan Countries | 0 | - | 4.94 | 137,042 |
| Andean Countries | 0 | - | 4.95 | 83,741 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,990 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,357 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,665 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,236 |
| Danube Countries | 0 | - | 4.97 | 71,565 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,419 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,976 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,491 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,546 |
| European Landlocked Countries | 0 | - | 4.99 | 146,671 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,003 |
| Countries with the Most Species | 0 | - | 4.99 | 102,746 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,142 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,389 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,555 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,250 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,920 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,304 |
| Countries in the Alps | 0 | - | 4.87 | 117,557 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,042 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,197 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,359 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,892 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,001 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,386 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,168 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,112 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,918 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,629 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,477 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,437 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,298 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,855 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,121 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,147 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,001 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,996 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,519 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,405 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,904 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,012 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,930 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,271 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,572 |
| Largest Countries By Category | 0 | - | 4.97 | 157,509 |
| Countries by Countries | 0 | - | 4.96 | 62,760 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,431 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,765 |
| Buddhist Countries | 0 | - | 4.96 | 143,608 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,245 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,415 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,031 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,187 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,367 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,646 |
| Island Countries | 0 | - | 4.99 | 709,376 |
| Countries in World War I | 0 | - | 4.88 | 227,718 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,586 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,070 |
| Northernmost Countries | 0 | - | 4.99 | 360,084 |
| Countries of South America | 0 | - | 5.00 | 921,825 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,649 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,863,711 |
| "Land" Countries | 0 | - | 4.98 | 335,574 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,951 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,947 |
| Orthodox Countries | 0 | - | 4.92 | 131,174 |
| Richest Island Countries | 0 | - | 4.84 | 100,200 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,777 |
| Monarchies of Europe | 0 | - | 4.90 | 97,869 |
| Monarchies of Asia | 0 | - | 4.97 | 70,921 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,410 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,742 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,027 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,968 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,276 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,994 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,176 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,793 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,921 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,281 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,196 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,200 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,860 |
| Countries that Start with D | 0 | - | 4.96 | 706,705 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,725 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,352 |
| Countries that Start with H | 0 | - | 4.96 | 602,253 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,276 |
| Countries that Start with J | 0 | - | 4.98 | 600,206 |
| Countries that Start with K | 0 | - | 4.97 | 813,317 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,066 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,000 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,477 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,220 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,858 |
| Countries that Start with U | 0 | - | 4.97 | 902,836 |
| Countries that Start with V | 0 | - | 4.98 | 607,944 |
| Countries that Start with F | 0 | - | 4.83 | 615,727 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,666 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,355 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,766 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,084 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,722 |
| Countries with Megacities | 0 | - | 4.99 | 249,849 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,558 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,808 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,875 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,799 |
| Countries by Official Language | 0 | - | 4.95 | 194,470 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,305 |
| Countries in their Native Language | 0 | - | 4.99 | 198,034 |
| Independence from Whom | 0 | - | 4.99 | 211,147 |
| Subdivisions by Country | 0 | - | 4.86 | 50,252 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,575 |
| Megadiverse Countries | 0 | - | 4.96 | 134,706 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,167 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,148 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,705 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,992 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,620 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,319 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,843 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,768 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,449 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,935 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,690 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,665 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,901 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,733 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,068 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,942 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,325 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,831 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,553 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,095 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,438 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,607 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,753 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,217 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,219 |
| Widest Countries East to West | 0 | - | 4.92 | 129,284 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,368 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,843 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,972 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,452 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,129 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,477 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,200 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,708 |
| Countries with Double Letters | 0 | - | 4.97 | 94,927 |
| Countries that End in N | 0 | - | 4.95 | 169,549 |
| Countries with Five Letters | 0 | - | 4.96 | 278,695 |
| Countries with Six Letters | 0 | - | 4.94 | 212,268 |
| Countries with W | 0 | - | 4.97 | 159,398 |
| Countries with Z | 0 | - | 4.98 | 289,608 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,597 |
| Countries That End in U | 0 | - | 4.95 | 120,349 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,614 |
| Countries that End in O | 0 | - | 4.92 | 159,143 |
| Countries that End in R | 0 | - | 4.87 | 118,682 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,468 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,178 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,014 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,009 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,596 |
| Countries That End in Y | 0 | - | 4.90 | 185,604 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,108 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,325 |
| Countries that End in I | 0 | - | 4.94 | 134,820 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,953 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,532 |
| Countries That End in NIA | 0 | - | 4.92 | 109,454 |
| Countries That End in BIA | 0 | - | 4.93 | 148,763 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,623 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,983 |
| Countries That End in RIA | 0 | - | 4.93 | 126,462 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,556 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,482 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,109 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,451 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,015 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,268 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,597 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,157 |
