| NATO Countries | 0 | - | 4.98 | 284,024 |
| EU Countries Quiz | 0 | - | 4.99 | 278,923 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,702 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,351 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,974,682 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,432 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,945 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,890 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,800 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,026 |
| Countries with NO Military | 0 | - | 4.97 | 63,614 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,196 |
| Landlocked Countries | 0 | - | 4.99 | 427,306 |
| All OPEC Countries Ever | 0 | - | 4.70 | 100,406 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,945 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,474 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,283 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,252 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,354 |
| Buddhist Countries | 0 | - | 4.96 | 145,261 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,341 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,990 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,919 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,376 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 60,122 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,988 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,943 |
| Himalayan Countries | 0 | - | 4.93 | 140,854 |
| Andean Countries | 0 | - | 4.94 | 85,815 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,928 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,506 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,473 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,701 |
| Danube Countries | 0 | - | 4.97 | 72,564 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,807 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,977 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,455 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,927 |
| European Landlocked Countries | 0 | - | 4.99 | 147,772 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,546 |
| Countries with the Most Species | 0 | - | 4.99 | 103,652 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,648 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,816 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,955 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,929 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,683 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,139 |
| Countries in the Alps | 0 | - | 4.87 | 118,985 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,014 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,144 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,056 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,180 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,132 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,395 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,603 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,999 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,517 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,317 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,954 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,832 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,681 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,929 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,027 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,157 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,741 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,500 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,849 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,338 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,511 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,620 |
| Largest Countries By Category | 0 | - | 4.97 | 159,102 |
| Countries by Countries | 0 | - | 4.97 | 63,814 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,238 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,664 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,059 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,403 |
| Island Countries | 0 | - | 4.99 | 713,033 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,250 |
| Northernmost Countries | 0 | - | 4.99 | 364,630 |
| Countries of South America | 0 | - | 5.00 | 934,356 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,628 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,247 |
| "Land" Countries | 0 | - | 4.98 | 339,028 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,547 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,178 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,535 |
| Countries that Start with D | 0 | - | 4.96 | 717,873 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,775 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,343 |
| Countries that Start with H | 0 | - | 4.96 | 610,600 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,921 |
| Countries that Start with J | 0 | - | 4.98 | 607,985 |
| Countries that Start with K | 0 | - | 4.97 | 821,815 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,167 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,253 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,393 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,967 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,956 |
| Countries that Start with U | 0 | - | 4.97 | 909,276 |
| Countries that Start with V | 0 | - | 4.98 | 612,595 |
| Countries that Start with F | 0 | - | 4.83 | 622,068 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,695 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,799 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,640 |
| Orthodox Countries | 0 | - | 4.92 | 132,967 |
| Richest Island Countries | 0 | - | 4.85 | 101,366 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,287 |
| Monarchies of Europe | 0 | - | 4.90 | 99,037 |
| Monarchies of Asia | 0 | - | 4.97 | 71,608 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,358 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,355 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,376 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,385 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,690 |
| Countries by Oil Consumption | 0 | - | 4.96 | 124,956 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,071 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,589 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,152 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,227 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 78,872 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,248 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,518 |
| Countries with Megacities | 0 | - | 4.99 | 267,899 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,172 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,348 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,496 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,450 |
| Countries by Official Language | 0 | - | 4.95 | 196,237 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,966 |
| Countries in their Native Language | 0 | - | 4.99 | 199,968 |
| Independence from Whom | 0 | - | 4.99 | 213,422 |
| Subdivisions by Country | 0 | - | 4.87 | 50,670 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,676 |
| Megadiverse Countries | 0 | - | 4.96 | 149,201 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,143 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,583 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,813 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,262 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,482 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,925 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,291 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,630 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,171 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,288 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,791 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,492 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,511 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,221 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,951 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,247 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,402 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,822 |
| Communist Countries in History | 0 | - | 4.63 | 498,764 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,534 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,245 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,713 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,955 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,563 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,671 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,861 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,766 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,954 |
| Widest Countries East to West | 0 | - | 4.92 | 130,862 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,630 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,409 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,568 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,167 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,124 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,619 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,537 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,922 |
| Countries with Double Letters | 0 | - | 4.96 | 97,659 |
| Countries that End in N | 0 | - | 4.95 | 172,653 |
| Countries with Five Letters | 0 | - | 4.96 | 284,682 |
| Countries with Six Letters | 0 | - | 4.94 | 214,987 |
| Countries with W | 0 | - | 4.96 | 161,329 |
| Countries with Z | 0 | - | 4.98 | 293,038 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,691 |
| Countries That End in U | 0 | - | 4.95 | 121,400 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,447 |
| Countries that End in O | 0 | - | 4.92 | 160,376 |
| Countries that End in R | 0 | - | 4.87 | 119,283 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,064 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,172 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 186,224 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,214 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,822 |
| Countries That End in Y | 0 | - | 4.91 | 186,178 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,334 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,432 |
| Countries that End in I | 0 | - | 4.94 | 135,433 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,309 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,151 |
| Countries That End in NIA | 0 | - | 4.92 | 110,163 |
| Countries That End in BIA | 0 | - | 4.93 | 149,747 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,946 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,916 |
| Countries That End in RIA | 0 | - | 4.93 | 127,159 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,552 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,965 |
