| Majority Muslim Countries | 0 | - | 4.98 | 371,980 |
| NATO Countries | 0 | - | 4.98 | 278,199 |
| EU Countries Quiz | 0 | - | 4.99 | 271,745 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,475 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,521 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,103 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,486 |
| Countries with NO Military | 0 | - | 4.97 | 61,652 |
| Countries with the Top Chess Players | 0 | - | 4.53 | 75,462 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,202 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,177,739 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,332 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,801 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,127 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,462 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,770 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,545 |
| Buddhist Countries | 0 | - | 4.96 | 143,428 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,007 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,796 |
| Landlocked Countries | 0 | - | 4.99 | 416,849 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,741,859 |
| Countries that Start with A | 0 | - | 4.98 | 2,154,365 |
| Countries that Start with B | 0 | - | 4.95 | 2,286,573 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,711 |
| Countries that Start with D | 0 | - | 4.96 | 705,241 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,944 |
| Countries that Start with G | 0 | - | 4.97 | 1,497,469 |
| Countries that Start with H | 0 | - | 4.96 | 601,036 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,863 |
| Countries that Start with J | 0 | - | 4.98 | 599,012 |
| Countries that Start with K | 0 | - | 4.97 | 812,190 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,332 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,327 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,154 |
| Countries that Start with S | 0 | - | 4.98 | 1,749,297 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,836 |
| Countries that Start with U | 0 | - | 4.97 | 902,045 |
| Countries that Start with V | 0 | - | 4.98 | 607,232 |
| Countries that Start with F | 0 | - | 4.83 | 614,722 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,158 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,680 |
| Orthodox Countries | 0 | - | 4.92 | 130,968 |
| Richest Island Countries | 0 | - | 4.84 | 99,993 |
| Monarchies of Europe | 0 | - | 4.90 | 97,713 |
| Monarchies of Asia | 0 | - | 4.97 | 70,848 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,760 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,874 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,123 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,645 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,845 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,746 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,078 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,840 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,004 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 268,694 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,720 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,110 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,137 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,513 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,914 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,043 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,887 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,911 |
| Island Countries | 0 | - | 4.99 | 708,887 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,018 |
| Himalayan Countries | 0 | - | 4.95 | 136,577 |
| Andean Countries | 0 | - | 4.95 | 83,529 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,787 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,059 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,460 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,050 |
| Danube Countries | 0 | - | 4.97 | 71,448 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,249 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,864 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,187 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,171 |
| European Landlocked Countries | 0 | - | 4.99 | 146,145 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,802 |
| Countries with the Most Species | 0 | - | 4.99 | 101,945 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,928 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,341 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,518 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,173 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,824 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,205 |
| Countries in the Alps | 0 | - | 4.86 | 117,359 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,920 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,938 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,267 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,762 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,848 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,272 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,007 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,003 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,822 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,352 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,373 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,213 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,741 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,016 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,022 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,752 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,911 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,440 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,267 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,098 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,623 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,841 |
| Largest Countries By Category | 0 | - | 4.97 | 157,292 |
| Countries by Countries | 0 | - | 4.96 | 62,610 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,932 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,103 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,556 |
| Northernmost Countries | 0 | - | 4.99 | 359,459 |
| Countries of South America | 0 | - | 5.00 | 919,924 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,187 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,859,346 |
| "Land" Countries | 0 | - | 4.98 | 334,675 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,481 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,427 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,584 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,658 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,532 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,697 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,682 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,242 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,440,194 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,911 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,353 |
| Countries with Megacities | 0 | - | 4.99 | 249,092 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,211 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,582 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,540 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,549 |
| Countries by Official Language | 0 | - | 4.95 | 194,049 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,736 |
| Countries in their Native Language | 0 | - | 4.99 | 197,667 |
| Independence from Whom | 0 | - | 4.99 | 210,855 |
| Subdivisions by Country | 0 | - | 4.86 | 50,208 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,369 |
| Megadiverse Countries | 0 | - | 4.96 | 134,556 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,871 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,085 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,638 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,953 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,460 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,236 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,626 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,559 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,382 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,808 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,275 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,587 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,693 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,655 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,869 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,216 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,616 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,716 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,081 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,687 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,415 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,746 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,291 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,481 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,646 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,157 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,652 |
| Widest Countries East to West | 0 | - | 4.92 | 129,153 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,332 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,679 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,929 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,965 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,992 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,374 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,120 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,679 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,742 |
| Countries with Double Letters | 0 | - | 4.96 | 94,186 |
| Countries that End in N | 0 | - | 4.95 | 166,824 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,644 |
| Countries with Six Letters | 0 | - | 4.93 | 211,182 |
| Countries with W | 0 | - | 4.97 | 158,861 |
| Countries with Z | 0 | - | 4.98 | 288,833 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,074 |
| Countries That End in U | 0 | - | 4.95 | 119,954 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,192 |
| Countries that End in O | 0 | - | 4.92 | 158,883 |
| Countries that End in R | 0 | - | 4.87 | 118,521 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,297 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,801 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,765 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,827 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,402 |
| Countries That End in Y | 0 | - | 4.90 | 185,449 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,865 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,109 |
| Countries that End in I | 0 | - | 4.94 | 134,681 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,718 |