| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,755 |
| Countries with NO Military | 0 | - | 4.97 | 61,440 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,603 |
| NATO Countries | 0 | - | 4.98 | 277,508 |
| EU Countries Quiz | 0 | - | 4.99 | 271,112 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,723 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,211 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,084 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,087,212 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,169 |
| Landlocked Countries | 0 | - | 4.99 | 415,703 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,671 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,451 |
| Himalayan Countries | 0 | - | 4.95 | 136,100 |
| Andean Countries | 0 | - | 4.95 | 83,233 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,551 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,720 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,238 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,877 |
| Danube Countries | 0 | - | 4.97 | 71,295 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,051 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,748 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,947 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,892 |
| European Landlocked Countries | 0 | - | 4.99 | 146,001 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,591 |
| Countries with the Most Species | 0 | - | 4.99 | 95,367 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,721 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,282 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,451 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,089 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,739 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,111 |
| Countries in the Alps | 0 | - | 4.86 | 117,173 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,798 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,668 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,180 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,623 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,425 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,174 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,853 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,919 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,721 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,047 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,248 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,292 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,160 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,647 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,910 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,920 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,541 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,820 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,364 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,095 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,465 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,308 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,749 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,969 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,352 |
| Largest Countries By Category | 0 | - | 4.97 | 157,100 |
| Countries by Countries | 0 | - | 4.96 | 62,477 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,102 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,303 |
| Buddhist Countries | 0 | - | 4.96 | 143,260 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,995 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,641 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,546 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,114 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,113 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,983 |
| Island Countries | 0 | - | 4.99 | 708,472 |
| Countries in World War I | 0 | - | 4.88 | 227,056 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,894 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,202 |
| Northernmost Countries | 0 | - | 4.99 | 358,896 |
| Countries of South America | 0 | - | 5.00 | 918,367 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,961 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,580 |
| "Land" Countries | 0 | - | 4.98 | 334,188 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,790 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,452 |
| Orthodox Countries | 0 | - | 4.92 | 130,738 |
| Richest Island Countries | 0 | - | 4.84 | 99,843 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,042 |
| Monarchies of Europe | 0 | - | 4.90 | 97,584 |
| Monarchies of Asia | 0 | - | 4.97 | 70,761 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,884 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,566 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,655 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,567 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,872 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,741 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,884 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 267,325 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,542 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,971 |
| Countries that Start with A | 0 | - | 4.98 | 2,151,772 |
| Countries that Start with B | 0 | - | 4.95 | 2,284,244 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,829 |
| Countries that Start with D | 0 | - | 4.96 | 703,963 |
| Countries that Start with E | 0 | - | 4.95 | 1,370,389 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,888 |
| Countries that Start with H | 0 | - | 4.96 | 599,934 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,642 |
| Countries that Start with J | 0 | - | 4.98 | 597,969 |
| Countries that Start with K | 0 | - | 4.97 | 811,207 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,172 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,078 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,720 |
| Countries that Start with S | 0 | - | 4.98 | 1,747,628 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,887 |
| Countries that Start with U | 0 | - | 4.97 | 901,290 |
| Countries that Start with V | 0 | - | 4.98 | 606,299 |
| Countries that Start with F | 0 | - | 4.83 | 613,832 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,840 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,949 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,333 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,769 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,003 |
| Countries with Megacities | 0 | - | 4.99 | 248,422 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,899 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,408 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,286 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,350 |
| Countries by Official Language | 0 | - | 4.95 | 193,431 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,959 |
| Countries in their Native Language | 0 | - | 4.99 | 197,188 |
| Independence from Whom | 0 | - | 4.99 | 210,264 |
| Subdivisions by Country | 0 | - | 4.86 | 50,157 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,146 |
| Megadiverse Countries | 0 | - | 4.96 | 134,485 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,368 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,034 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,569 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,923 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,924 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,151 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,409 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,476 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,319 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,790 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,003 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,537 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,643 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,610 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,815 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,629 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,861 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,572 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,290 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,455 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,159 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,358 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,546 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,101 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,566 |
| Widest Countries East to West | 0 | - | 4.92 | 129,062 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,299 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,541 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,667 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,894 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,878 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,268 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,878 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,652 |
| Countries with Double Letters | 0 | - | 4.96 | 93,759 |
| Countries that End in N | 0 | - | 4.94 | 157,198 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,130 |
| Countries with Six Letters | 0 | - | 4.93 | 210,788 |
| Countries with W | 0 | - | 4.97 | 158,469 |
| Countries with Z | 0 | - | 4.98 | 288,336 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,819 |
| Countries That End in U | 0 | - | 4.95 | 119,637 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,945 |
| Countries that End in O | 0 | - | 4.92 | 158,677 |
| Countries that End in R | 0 | - | 4.87 | 118,396 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,947 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,493 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,596 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,694 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,250 |
| Countries That End in Y | 0 | - | 4.90 | 185,306 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,675 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,957 |
| Countries that End in I | 0 | - | 4.94 | 134,569 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,544 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,335 |
| Countries That End in NIA | 0 | - | 4.92 | 109,166 |
| Countries That End in BIA | 0 | - | 4.92 | 148,051 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,309 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,674 |
| Countries That End in RIA | 0 | - | 4.93 | 126,226 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,214 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,838 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,731 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,081 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,639 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,055 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,324 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,837 |
