| Majority Muslim Countries | 0 | - | 4.98 | 375,919 |
| NATO Countries | 0 | - | 4.98 | 281,862 |
| EU Countries Quiz | 0 | - | 4.99 | 275,928 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,649 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,864 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,432 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,109 |
| Countries with NO Military | 0 | - | 4.97 | 62,736 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,844 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,637,186 |
| Landlocked Countries | 0 | - | 4.99 | 422,663 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,022 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,109 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,710 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,776 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,784 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,953 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,614 |
| Buddhist Countries | 0 | - | 4.96 | 144,685 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,107 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,783,580 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,862 |
| Himalayan Countries | 0 | - | 4.95 | 139,036 |
| Andean Countries | 0 | - | 4.93 | 84,809 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,034 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,112 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,616 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,930 |
| Danube Countries | 0 | - | 4.97 | 72,100 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,130 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,501 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,457 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,950 |
| European Landlocked Countries | 0 | - | 4.99 | 147,235 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,775 |
| Countries with the Most Species | 0 | - | 4.99 | 103,311 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,898 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,633 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,752 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,599 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,321 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,744 |
| Countries in the Alps | 0 | - | 4.87 | 118,318 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,560 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,197 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,722 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,678 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,588 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,001 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,761 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,572 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,228 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,925 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,691 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,575 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,302 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,545 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,611 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,070 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,375 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,520 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,878 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,211 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,316 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,338 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,290 |
| Largest Countries By Category | 0 | - | 4.97 | 158,351 |
| Orthodox Countries | 0 | - | 4.92 | 132,344 |
| Countries by Countries | 0 | - | 4.96 | 63,324 |
| Richest Island Countries | 0 | - | 4.85 | 100,861 |
| Monarchies of Europe | 0 | - | 4.90 | 98,427 |
| Monarchies of Asia | 0 | - | 4.97 | 71,280 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,888 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,244 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,755 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,069 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,755 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,716 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,061 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,564 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,655 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,969 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,605 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,756 |
| Countries that Start with A | 0 | - | 4.98 | 2,168,107 |
| Countries that Start with B | 0 | - | 4.95 | 2,299,344 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,053 |
| Countries that Start with D | 0 | - | 4.96 | 712,521 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,523 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,779 |
| Countries that Start with H | 0 | - | 4.96 | 606,767 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,961 |
| Countries that Start with J | 0 | - | 4.98 | 604,324 |
| Countries that Start with K | 0 | - | 4.97 | 817,902 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,279 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,330 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,679 |
| Countries that Start with S | 0 | - | 4.98 | 1,758,413 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,773 |
| Countries that Start with U | 0 | - | 4.97 | 906,038 |
| Countries that Start with V | 0 | - | 4.98 | 610,439 |
| Countries that Start with F | 0 | - | 4.83 | 619,167 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,538 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,093 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,596 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,669 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,229 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,712 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,754 |
| Island Countries | 0 | - | 4.99 | 711,283 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,387 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,741 |
| Northernmost Countries | 0 | - | 4.99 | 362,299 |
| Countries of South America | 0 | - | 5.00 | 928,328 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,173 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,436 |
| "Land" Countries | 0 | - | 4.98 | 337,547 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,447 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,549 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,104 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,414 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,337 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,537 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,509 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,532 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,293 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,248 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,103 |
| Countries with Megacities | 0 | - | 4.99 | 265,044 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,911 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,588 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,176 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,661 |
| Countries by Official Language | 0 | - | 4.95 | 195,390 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,559 |
| Countries in their Native Language | 0 | - | 4.99 | 199,173 |
| Independence from Whom | 0 | - | 4.99 | 212,265 |
| Subdivisions by Country | 0 | - | 4.87 | 50,465 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,855 |
| Megadiverse Countries | 0 | - | 4.96 | 135,074 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,211 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,391 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,273 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,131 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,219 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,639 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,569 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,237 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,695 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,170 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,831 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,930 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,246 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,004 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,396 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,413 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,228 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,356 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,066 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,432 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,969 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,074 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,359 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,482 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,619 |
| Widest Countries East to West | 0 | - | 4.92 | 129,717 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,473 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,463 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,147 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,815 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,650 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,938 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,398 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,814 |
| Countries with Double Letters | 0 | - | 4.96 | 96,389 |
| Countries that End in N | 0 | - | 4.95 | 171,271 |
| Countries with Five Letters | 0 | - | 4.96 | 282,763 |
| Countries with Six Letters | 0 | - | 4.94 | 213,714 |
| Countries with W | 0 | - | 4.97 | 160,444 |
| Countries with Z | 0 | - | 4.98 | 291,630 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,806 |
| Countries That End in U | 0 | - | 4.95 | 120,903 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,570 |
| Countries that End in O | 0 | - | 4.92 | 159,556 |
| Countries that End in R | 0 | - | 4.87 | 119,003 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,766 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,238 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,767 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,533 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,456 |
| Countries That End in Y | 0 | - | 4.91 | 185,920 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,013 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,931 |
| Countries that End in I | 0 | - | 4.94 | 135,135 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,191 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,859 |
| Countries That End in NIA | 0 | - | 4.92 | 109,837 |
| Countries That End in BIA | 0 | - | 4.93 | 149,272 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,177 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,481 |