| Countries with the Most Military Troops | 0 | - | 4.95 | 284,788 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,089 |
| Countries with NO Military | 0 | - | 4.97 | 61,138 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,222 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,895,196 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,353 |
| NATO Countries | 0 | - | 4.98 | 275,534 |
| EU Countries Quiz | 0 | - | 4.99 | 269,755 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,977 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,696 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,887 |
| Landlocked Countries | 0 | - | 4.99 | 413,319 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,394 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,702 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,091 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,885 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,882 |
| Buddhist Countries | 0 | - | 4.96 | 142,909 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,747 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,019 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,012 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,452 |
| Himalayan Countries | 0 | - | 4.95 | 135,240 |
| Andean Countries | 0 | - | 4.94 | 82,766 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,179 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,118 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,848 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,554 |
| Countries in World War I | 0 | - | 4.88 | 226,555 |
| Danube Countries | 0 | - | 4.97 | 71,048 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,717 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,505 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,405 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,332 |
| European Landlocked Countries | 0 | - | 4.99 | 145,720 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,150 |
| Countries with the Most Species | 0 | - | 4.99 | 95,228 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,358 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,292 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,941 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,551 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,922 |
| Countries in the Alps | 0 | - | 4.86 | 116,772 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,527 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,193 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,986 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,393 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,117 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,972 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,536 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,727 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,134 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,024 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,185 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,025 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,420 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,714 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,724 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,004 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,614 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,240 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,737 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,110 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,543 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,577 |
| Largest Countries By Category | 0 | - | 4.97 | 156,704 |
| Countries by Countries | 0 | - | 4.96 | 62,232 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,726 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,490 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,023 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,645 |
| Island Countries | 0 | - | 4.99 | 707,495 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,078 |
| Northernmost Countries | 0 | - | 4.99 | 357,555 |
| Countries of South America | 0 | - | 5.00 | 914,190 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,800 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,218 |
| "Land" Countries | 0 | - | 4.98 | 333,560 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,066 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,216 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,789 |
| Countries that Start with D | 0 | - | 4.96 | 701,173 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,087 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,311 |
| Countries that Start with H | 0 | - | 4.96 | 597,636 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,932 |
| Countries that Start with J | 0 | - | 4.98 | 595,700 |
| Countries that Start with K | 0 | - | 4.97 | 809,129 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,550 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,412 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,250 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,080 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,971 |
| Countries that Start with U | 0 | - | 4.97 | 899,737 |
| Countries that Start with V | 0 | - | 4.98 | 604,907 |
| Countries that Start with F | 0 | - | 4.83 | 611,940 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,963 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,613 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,978 |
| Orthodox Countries | 0 | - | 4.91 | 130,341 |
| Richest Island Countries | 0 | - | 4.84 | 99,477 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,495 |
| Monarchies of Europe | 0 | - | 4.90 | 97,281 |
| Monarchies of Asia | 0 | - | 4.97 | 70,581 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,387 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,237 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,117 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,447 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,525 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,615 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,982 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,904 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,682 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,552 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,856 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,419 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,001 |
| Countries with Megacities | 0 | - | 4.99 | 246,544 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,922 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,801 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,373 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,761 |
| Countries by Official Language | 0 | - | 4.95 | 192,707 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,041 |
| Countries in their Native Language | 0 | - | 4.99 | 196,566 |
| Independence from Whom | 0 | - | 4.99 | 209,609 |
| Subdivisions by Country | 0 | - | 4.86 | 50,052 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,690 |
| Megadiverse Countries | 0 | - | 4.97 | 133,867 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,740 |
| 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 | 161,612 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,977 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,850 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,122 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,204 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,734 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,509 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,400 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,476 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,486 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,054 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,798 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,298 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,290 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,274 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,947 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,909 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,651 |
| 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 | 98,241 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,924 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,313 |
| Widest Countries East to West | 0 | - | 4.92 | 128,580 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,210 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,169 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,554 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,670 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,598 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,014 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,046 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,568 |
| Countries with Double Letters | 0 | - | 4.97 | 93,314 |
| Countries that End in N | 0 | - | 4.94 | 156,374 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,606 |
| Countries with Six Letters | 0 | - | 4.93 | 210,283 |
| Countries with W | 0 | - | 4.97 | 158,179 |
| Countries with Z | 0 | - | 4.98 | 287,794 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,501 |
| Countries That End in U | 0 | - | 4.95 | 119,490 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,482 |
| 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 | 154,846 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,954 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,284 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,458 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,974 |
| Countries That End in Y | 0 | - | 4.90 | 185,184 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,316 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,629 |
| Countries that End in I | 0 | - | 4.94 | 134,381 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,130 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,175 |
| Countries That End in NIA | 0 | - | 4.92 | 108,975 |
| Countries That End in BIA | 0 | - | 4.92 | 147,675 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,026 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,451 |
| Countries That End in RIA | 0 | - | 4.93 | 126,055 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,974 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,124 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,487 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,868 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,326 |
