| Majority Muslim Countries | 0 | - | 4.98 | 368,394 |
| NATO Countries | 0 | - | 4.98 | 275,573 |
| EU Countries Quiz | 0 | - | 4.99 | 269,801 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,824 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,148 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,996 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,713 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,533 |
| Countries with NO Military | 0 | - | 4.97 | 61,147 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,892 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,900,551 |
| Landlocked Countries | 0 | - | 4.99 | 413,376 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,918 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,780 |
| Countries with Glaciers | 0 | - | 4.97 | 104,639 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,409 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,231 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,710 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,101 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,613 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,891 |
| Buddhist Countries | 0 | - | 4.96 | 142,921 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,223 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,039 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,558 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,482 |
| Himalayan Countries | 0 | - | 4.95 | 135,268 |
| Andean Countries | 0 | - | 4.94 | 82,781 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,191 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,136 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,852 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,561 |
| Danube Countries | 0 | - | 4.97 | 71,060 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,726 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,513 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,417 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,341 |
| European Landlocked Countries | 0 | - | 4.99 | 145,727 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,167 |
| Countries with the Most Species | 0 | - | 4.99 | 95,231 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,306 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,358 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,946 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,560 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,932 |
| Countries in the Alps | 0 | - | 4.86 | 116,782 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,532 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,210 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,991 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,400 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,129 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,975 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,545 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,731 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,162 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,029 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,187 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,027 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,427 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,718 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,730 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,014 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,617 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,241 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,988 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,745 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,152 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,569 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,585 |
| Largest Countries By Category | 0 | - | 4.97 | 156,716 |
| Orthodox Countries | 0 | - | 4.91 | 130,349 |
| Countries by Countries | 0 | - | 4.96 | 62,236 |
| Richest Island Countries | 0 | - | 4.84 | 99,483 |
| Monarchies of Europe | 0 | - | 4.90 | 97,291 |
| Monarchies of Asia | 0 | - | 4.97 | 70,588 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,503 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,396 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,733 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,424 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,245 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,131 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,465 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,528 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,624 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,006 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,914 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,689 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,255 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,383 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,908 |
| Countries that Start with D | 0 | - | 4.96 | 701,266 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,206 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,441 |
| Countries that Start with H | 0 | - | 4.96 | 597,723 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,030 |
| Countries that Start with J | 0 | - | 4.98 | 595,804 |
| Countries that Start with K | 0 | - | 4.97 | 809,205 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,638 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,494 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,317 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,181 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,020 |
| Countries that Start with U | 0 | - | 4.97 | 899,785 |
| Countries that Start with V | 0 | - | 4.98 | 604,952 |
| Countries that Start with F | 0 | - | 4.83 | 612,012 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,062 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,566 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,868 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,424 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,577 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,043 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,714 |
| Island Countries | 0 | - | 4.99 | 707,523 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,647 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,172 |
| Northernmost Countries | 0 | - | 4.99 | 357,595 |
| Countries of South America | 0 | - | 5.00 | 914,309 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,965 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,490 |
| "Land" Countries | 0 | - | 4.98 | 333,577 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,060 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,810 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,302 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,220 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,097 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,482 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,226 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,082 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,641 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,521 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,049 |
| Countries with Megacities | 0 | - | 4.99 | 246,620 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,974 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,836 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,406 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,777 |
| Countries by Official Language | 0 | - | 4.95 | 192,721 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,056 |
| Countries in their Native Language | 0 | - | 4.99 | 196,589 |
| Independence from Whom | 0 | - | 4.99 | 209,623 |
| Subdivisions by Country | 0 | - | 4.86 | 50,054 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,703 |
| Megadiverse Countries | 0 | - | 4.97 | 133,875 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,753 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,906 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,409 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,852 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,624 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,985 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,879 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,128 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,206 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,734 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,517 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,401 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,478 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,489 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,650 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,008 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,301 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,293 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,959 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,914 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,665 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,828 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,036 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,247 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,928 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,317 |
| Widest Countries East to West | 0 | - | 4.92 | 128,586 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,213 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,178 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,556 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,674 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,606 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,020 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,047 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,570 |
| Countries with Double Letters | 0 | - | 4.97 | 93,341 |
| Countries that End in N | 0 | - | 4.94 | 156,484 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,627 |
| Countries with Six Letters | 0 | - | 4.93 | 210,301 |
| Countries with W | 0 | - | 4.97 | 158,195 |
| Countries with Z | 0 | - | 4.98 | 287,815 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,513 |
| Countries That End in U | 0 | - | 4.95 | 119,496 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,496 |
| Countries that End in O | 0 | - | 4.92 | 158,532 |
| Countries that End in R | 0 | - | 4.87 | 118,256 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,849 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,973 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,291 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,465 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,981 |
| Countries That End in Y | 0 | - | 4.90 | 185,188 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,328 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,639 |
| Countries that End in I | 0 | - | 4.94 | 134,391 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,139 |
