| Countries with the Most Military Troops | 0 | - | 4.96 | 266,318 |
| Countries with Nuclear Weapons | 0 | - | 4.90 | 248,039 |
| Countries with NO Military | 0 | - | 4.96 | 56,037 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,170,140 |
| Majority Muslim Countries | 0 | - | 4.98 | 329,300 |
| NATO Countries Quiz | 0 | - | 4.98 | 257,240 |
| EU Countries Quiz | 0 | - | 4.99 | 254,052 |
| Top Five Countries by Religion | 0 | - | 4.91 | 156,836 |
| Countries with the Most Elite Universities | 0 | - | 4.93 | 137,994 |
| Countries by Number of Books Published | 0 | - | 4.94 | 68,435 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 380,657 |
| Countries with the Most Christians | 0 | - | 4.91 | 132,772 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 45,948 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 70,264 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,394,675 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 80,572 |
| Buddhist Countries | 0 | - | 4.96 | 136,885 |
| Countries with the Most Billionaires | 0 | - | 4.92 | 318,370 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 100,689 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,460,413 |
| Sahara Desert Countries | 0 | - | 4.97 | 144,648 |
| Himalayan Countries | 0 | - | 4.95 | 121,395 |
| Andean Countries | 0 | - | 4.92 | 68,197 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 56,285 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 112,417 |
| Coffee Producing Countries | 0 | - | 4.82 | 59,499 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 58,936 |
| Countries in World War I | 0 | - | 4.88 | 219,691 |
| Danube Countries | 0 | - | 4.97 | 60,635 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 96,532 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 81,679 |
| Countries with the Best Passports | 0 | - | 4.81 | 79,985 |
| Countries with the Worst Passports | 0 | - | 4.92 | 63,984 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 137,410 |
| European Landlocked Countries | 0 | - | 4.99 | 140,803 |
| Partially Recognized Countries | 0 | - | 4.98 | 97,710 |
| Countries with the Most Species | 0 | - | 4.99 | 92,198 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 219,322 |
| Countries 197 to 205 | 0 | - | 4.88 | 63,136 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,612 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,704 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 52,392 |
| Countries that Use the Peso | 0 | - | 4.88 | 56,038 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,810 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 53,449 |
| Countries in the Alps | 0 | - | 4.86 | 110,115 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 90,477 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 97,333 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 75,227 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 83,379 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 110,367 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,752 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,769 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,659 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,845 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,604 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,588 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 51,126 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,981 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,970 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,665 |
| Countries with the Most Grassland | 0 | - | 4.93 | 73,328 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 108,498 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,662 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,573 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 221,055 |
| World Countries - Blind Typing | 0 | - | 5.00 | 94,259 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 44,953 |
| Largest Countries By Category | 0 | - | 4.97 | 151,030 |
| Countries by Countries | 0 | - | 4.96 | 58,267 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 83,678 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 359,484 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 381,387 |
| Island Countries Quiz | 0 | - | 4.99 | 689,657 |
| Biggest Countries by Area | 0 | - | 5.00 | 987,424 |
| Northernmost Countries | 0 | - | 4.99 | 341,943 |
| Countries of South America | 0 | - | 5.00 | 859,613 |
| Countries of Oceania | 0 | - | 5.00 | 971,950 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,724,246 |
| Countries that Start with A | 0 | - | 4.98 | 2,059,054 |
| Countries that Start with B | 0 | - | 4.95 | 2,196,685 |
| Countries that Start with C | 0 | - | 4.96 | 1,742,406 |
| Countries that Start with D | 0 | - | 4.96 | 655,745 |
| Countries that Start with E | 0 | - | 4.95 | 1,310,837 |
| Countries that Start with G | 0 | - | 4.97 | 1,433,261 |
| Countries that Start with H | 0 | - | 4.96 | 559,138 |
| Countries that Start with I | 0 | - | 4.92 | 1,233,469 |
| Countries that Start with J | 0 | - | 4.98 | 559,545 |
| Countries that Start with K | 0 | - | 4.97 | 769,999 |
| Countries that Start with L | 0 | - | 4.98 | 1,036,448 |
| Countries that Start with N | 0 | - | 4.93 | 1,063,219 |
| Countries that Start with P | 0 | - | 4.95 | 1,163,555 |
| Countries that Start with S | 0 | - | 4.98 | 1,686,148 |
| Countries that Start with T | 0 | - | 4.89 | 967,929 |
| Countries that Start with U | 0 | - | 4.97 | 869,077 |
| Countries that Start with V | 0 | - | 4.98 | 581,691 |
| Countries that Start with F | 0 | - | 4.83 | 580,084 |
| Countries that Start with M | 0 | - | 4.97 | 1,323,132 |
| Countries with U.S. Troops | 0 | - | 4.37 | 129,362 |
| Countries with the Most Catholics | 0 | - | 4.89 | 101,307 |
| Orthodox Countries | 0 | - | 4.91 | 124,416 |
| Richest Island Countries | 0 | - | 4.82 | 94,482 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,250,719 |
| Monarchies of Europe | 0 | - | 4.89 | 92,992 |
| Monarchies of Asia | 0 | - | 4.96 | 68,031 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 114,590 |
| Countries with the Most Muslims | 0 | - | 4.94 | 153,117 |
| Countries with the Most Exports | 0 | - | 4.96 | 148,210 |
| Top Crude Oil Producing Countries | 0 | - | 4.91 | 181,685 |
| Countries by Oil Consumption | 0 | - | 4.96 | 116,339 |
| Largest Economies in 2050 | 0 | - | 4.90 | 106,472 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 250,122 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 97,394 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 79,485 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 105,216 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 186,520 |
| Most Visited Countries by JetPunkers | 0 | - | 4.89 | 111,187 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 158,164 |
| Countries with Megacities | 0 | - | 4.99 | 217,276 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 186,234 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 105,990 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,243 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 72,902 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 269,153 |
| Countries by Official Language | 0 | - | 4.95 | 183,644 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 281,448 |
| Countries in their Native Language | 0 | - | 4.98 | 188,466 |
| Independence from Whom | 0 | - | 4.99 | 199,442 |
| Subdivisions by Country | 0 | - | 4.86 | 48,461 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 123,434 |
| Megadiverse Countries | 0 | - | 4.96 | 130,330 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 121,741 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 114,855 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 49,277 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 155,156 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 59,369 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 86,190 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 148,871 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 80,207 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,373 |
| Countries by Sports League Revenue | 0 | - | 4.93 | 66,875 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 104,775 |
| Countries Furthest from the United States | 0 | - | 4.95 | 85,851 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,089 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 86,987 |
| Richest Countries A-Z | 0 | - | 4.93 | 95,752 |
| Large Countries with Small Economies | 0 | - | 4.94 | 77,422 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 86,551 |
| Southernmost Countries of the World | 0 | - | 4.99 | 218,059 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 98,380 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 116,270 |
| Countries With the Most Languages | 0 | - | 4.89 | 188,655 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 92,338 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 88,303 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 93,337 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,203 |
| Tallest Countries North to South | 0 | - | 4.85 | 115,420 |
| Widest Countries East to West | 0 | - | 4.92 | 124,539 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,146 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 164,933 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,368 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 90,129 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 125,202 |
| Countries with the Most Desert | 0 | - | 4.93 | 123,156 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 67,965 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,494 |
| Countries with Double Letters | 0 | - | 4.96 | 81,607 |
| Countries that End in N | 0 | - | 4.93 | 145,516 |
| Countries with Five Letters Quiz | 0 | - | 4.97 | 245,371 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 200,009 |
| Countries with W | 0 | - | 4.97 | 132,912 |
| Countries with Z | 0 | - | 4.98 | 275,273 |
| Countries with Letters Missing | 0 | - | 4.97 | 176,134 |
| Countries That End in U | 0 | - | 4.95 | 113,924 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 99,893 |
| Countries that End in O | 0 | - | 4.91 | 154,132 |
| Countries that End in R | 0 | - | 4.83 | 99,784 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 151,795 |
| Countries Ending in "IA" | 0 | - | 4.99 | 197,786 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 163,114 |
| Countries by Last Two Letters | 0 | - | 4.87 | 121,714 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 135,439 |
| Countries That End in Y | 0 | - | 4.91 | 182,002 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 189,024 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.91 | 127,295 |
| Countries that End in I | 0 | - | 4.92 | 117,346 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 158,168 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 92,097 |
| Countries That End in NIA | 0 | - | 4.92 | 105,013 |
| Countries That End in BIA | 0 | - | 4.91 | 142,602 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 161,114 |
| Countries Whose Names Start with Saint | 0 | - | 4.86 | 114,615 |
| Countries That End in RIA | 0 | - | 4.90 | 105,355 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 105,742 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 214,958 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 127,045 |
| Divided Country Name Puzzle #3 | 0 | - | 4.91 | 118,869 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 4.99 | 84,702 |
| Countries With One Word and Three A's | 0 | - | 4.94 | 48,477 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 97,563 |
