| Countries Bordering "U" Countries | 0 | - | 4.81 | 24,017 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,367 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,670 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,033 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,782 |
| Countries that Start with D | 0 | - | 4.96 | 700,521 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,294 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,469 |
| Countries that Start with H | 0 | - | 4.96 | 597,077 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,210 |
| Countries that Start with J | 0 | - | 4.98 | 595,138 |
| Countries that Start with K | 0 | - | 4.96 | 808,625 |
| Countries that Start with L | 0 | - | 4.98 | 1,081,941 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,794 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,636 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,210 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,436 |
| Countries that Start with U | 0 | - | 4.97 | 899,117 |
| Countries that Start with V | 0 | - | 4.98 | 604,524 |
| Countries that Start with F | 0 | - | 4.83 | 611,473 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,264 |
| Countries that Start with R | 0 | - | 4.43 | 443,079 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,664 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,003 |
| NATO Countries | 0 | - | 4.98 | 275,121 |
| EU Countries Quiz | 0 | - | 4.99 | 269,435 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,494 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,666 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,769 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,580 |
| Countries with NO Military | 0 | - | 4.97 | 61,064 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,836 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,853,084 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,552 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,452 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,253 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,147 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,613 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,000 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,802 |
| Buddhist Countries | 0 | - | 4.96 | 142,824 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,841 |
| Landlocked Countries | 0 | - | 4.99 | 412,896 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,944 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,036 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,877 |
| Orthodox Countries | 0 | - | 4.91 | 130,254 |
| Richest Island Countries | 0 | - | 4.84 | 99,375 |
| Battle to Country | 0 | - | 4.91 | 52,439 |
| Monarchies of Europe | 0 | - | 4.90 | 97,207 |
| Monarchies of Asia | 0 | - | 4.97 | 70,539 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,255 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,539 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,082 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,260 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,378 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,153 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,006 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,324 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,445 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,537 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,716 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,806 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,591 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,474 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,733 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,323 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,308 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,928 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,264 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,035 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,837 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,003 |
| Island Countries | 0 | - | 4.99 | 707,246 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,242 |
| Himalayan Countries | 0 | - | 4.95 | 135,060 |
| Andean Countries | 0 | - | 4.94 | 82,668 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,085 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,996 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,764 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,470 |
| Danube Countries | 0 | - | 4.97 | 71,003 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,637 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,458 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,294 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,199 |
| European Landlocked Countries | 0 | - | 4.99 | 145,670 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,054 |
| Countries with the Most Species | 0 | - | 4.99 | 95,187 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,198 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,174 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,334 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,908 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,513 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,869 |
| Countries in the Alps | 0 | - | 4.87 | 116,686 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,474 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,085 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,942 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,327 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,069 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,940 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,474 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,684 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,697 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,973 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,166 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,999 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,365 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,675 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,676 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,868 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,571 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,201 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,668 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,847 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,377 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,542 |
| Largest Countries By Category | 0 | - | 4.97 | 156,619 |
| Countries by Countries | 0 | - | 4.96 | 62,168 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,000 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,094 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,230 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,221 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,934 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,306 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,658 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,370 |
| Northernmost Countries | 0 | - | 4.99 | 357,259 |
| Countries of South America | 0 | - | 5.00 | 913,405 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,656 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,230 |
| "Land" Countries | 0 | - | 4.98 | 333,424 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,166 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,029 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,449 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,137 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,341 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,047 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,805 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,451 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 58,959 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 59,769 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,604 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,047 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,505 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,082 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,863 |
| Countries with Megacities | 0 | - | 4.99 | 246,199 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,781 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,738 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,251 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,673 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,950 |
| Countries by Official Language | 0 | - | 4.95 | 192,587 |
| OPEC Countries | 0 | - | 4.74 | 84,779 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,876 |
| Countries in their Native Language | 0 | - | 4.99 | 196,474 |
| Independence from Whom | 0 | - | 4.99 | 209,470 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,585 |
| Countries in World War I | 0 | - | 4.88 | 226,151 |
| Megadiverse Countries | 0 | - | 4.97 | 133,833 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,235 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,654 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,876 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,373 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,836 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,547 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,939 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,592 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,060 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,178 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,715 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,384 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,365 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,429 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,446 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,144 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,607 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,979 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,347 |
| World Map Quiz | 0 | - | 4.81 | 63,359 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,221 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,222 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,158 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,878 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,855 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,511 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,770 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,965 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,172 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,879 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,256 |
| Widest Countries East to West | 0 | - | 4.92 | 128,524 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,191 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,080 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,520 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,626 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,517 |
