| NATO Countries | 0 | - | 4.98 | 275,389 |
| EU Countries Quiz | 0 | - | 4.99 | 269,655 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,679 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,932 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,907 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,653 |
| Countries with NO Military | 0 | - | 4.97 | 61,117 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,866 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,878,618 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,203 |
| Landlocked Countries | 0 | - | 4.99 | 413,150 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,415 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,381 |
| Himalayan Countries | 0 | - | 4.95 | 135,157 |
| Andean Countries | 0 | - | 4.94 | 82,730 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,146 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,080 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,819 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,513 |
| Danube Countries | 0 | - | 4.97 | 71,031 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,693 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,486 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,362 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,280 |
| European Landlocked Countries | 0 | - | 4.99 | 145,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,109 |
| Countries with the Most Species | 0 | - | 4.99 | 95,215 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,260 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,188 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,351 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,928 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,540 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,897 |
| Countries in the Alps | 0 | - | 4.87 | 116,743 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,512 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,156 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,970 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,364 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,098 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,958 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,510 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,712 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,875 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,342 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,008 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,179 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,013 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,397 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,702 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,709 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,962 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,594 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,218 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,720 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,997 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,475 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,565 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,193 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,676 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,072 |
| Largest Countries By Category | 0 | - | 4.97 | 156,675 |
| Countries by Countries | 0 | - | 4.96 | 62,211 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,744 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,852 |
| Buddhist Countries | 0 | - | 4.96 | 142,879 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,707 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,650 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,949 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,340 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,956 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,305 |
| Island Countries | 0 | - | 4.99 | 707,388 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,802 |
| Northernmost Countries | 0 | - | 4.99 | 357,441 |
| Countries of South America | 0 | - | 5.00 | 913,924 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,293 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,443 |
| "Land" Countries | 0 | - | 4.98 | 333,507 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,929 |
| Orthodox Countries | 0 | - | 4.91 | 130,304 |
| Richest Island Countries | 0 | - | 4.84 | 99,442 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,889 |
| Monarchies of Europe | 0 | - | 4.90 | 97,255 |
| Monarchies of Asia | 0 | - | 4.97 | 70,560 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,335 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,405 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,203 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,076 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,402 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,495 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,589 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,881 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,865 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,654 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,549 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,764 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,400 |
| Countries that Start with D | 0 | - | 4.96 | 700,917 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,790 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,008 |
| Countries that Start with H | 0 | - | 4.96 | 597,425 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,661 |
| Countries that Start with J | 0 | - | 4.98 | 595,488 |
| Countries that Start with K | 0 | - | 4.96 | 808,921 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,323 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,179 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,007 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,731 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,750 |
| Countries that Start with U | 0 | - | 4.97 | 899,588 |
| Countries that Start with V | 0 | - | 4.98 | 604,771 |
| Countries that Start with F | 0 | - | 4.83 | 611,767 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,713 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,529 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,810 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,386 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,956 |
| Countries with Megacities | 0 | - | 4.99 | 246,409 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,872 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,775 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,326 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,730 |
| Countries by Official Language | 0 | - | 4.95 | 192,662 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,981 |
| Countries in their Native Language | 0 | - | 4.99 | 196,527 |
| Independence from Whom | 0 | - | 4.99 | 209,557 |
| Subdivisions by Country | 0 | - | 4.86 | 50,043 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,642 |
| Megadiverse Countries | 0 | - | 4.97 | 133,852 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,705 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,899 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,396 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,846 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,583 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,964 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,639 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,097 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,196 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,728 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,456 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,385 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,458 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,474 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,637 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,268 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,226 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,921 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,884 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,590 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,807 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,007 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,213 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,906 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,288 |
| Widest Countries East to West | 0 | - | 4.92 | 128,554 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,201 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,143 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,538 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,649 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,559 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,978 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,041 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,557 |
| Countries with Double Letters | 0 | - | 4.97 | 93,285 |
| Countries that End in N | 0 | - | 4.94 | 156,342 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,559 |
| Countries with Six Letters | 0 | - | 4.93 | 210,253 |
| Countries with W | 0 | - | 4.97 | 158,155 |
| Countries with Z | 0 | - | 4.98 | 287,734 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,468 |
| Countries That End in U | 0 | - | 4.95 | 119,477 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,438 |
| Countries that End in O | 0 | - | 4.92 | 158,506 |
| Countries that End in R | 0 | - | 4.87 | 118,238 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,831 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,918 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,235 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,423 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,722 |
| Countries That End in Y | 0 | - | 4.90 | 185,174 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,251 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,595 |
| Countries that End in I | 0 | - | 4.94 | 134,358 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,092 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,162 |
| Countries That End in NIA | 0 | - | 4.92 | 108,955 |
| Countries That End in BIA | 0 | - | 4.92 | 147,646 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,007 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,435 |
| Countries That End in RIA | 0 | - | 4.93 | 126,040 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,958 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,071 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,474 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,852 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,296 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,900 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,064 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,589 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,792 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,738 |
