| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,255 |
| One Country By Letter By Continent | 0 | - | 5.00 | 122,546 |
| Countries that Start with A | 0 | - | 4.98 | 2,153,042 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,367 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,722 |
| Countries that Start with D | 0 | - | 4.96 | 704,586 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,121 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,660 |
| Countries that Start with H | 0 | - | 4.96 | 600,482 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,225 |
| Countries that Start with J | 0 | - | 4.98 | 598,508 |
| Countries that Start with K | 0 | - | 4.97 | 811,705 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,740 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,704 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,549 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,369 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,334 |
| Countries that Start with U | 0 | - | 4.97 | 901,659 |
| Countries that Start with V | 0 | - | 4.98 | 606,680 |
| Countries that Start with F | 0 | - | 4.83 | 614,261 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,492 |
| Countries that Start with R | 0 | - | 4.43 | 445,166 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,330 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,582 |
| NATO Countries | 0 | - | 4.98 | 277,843 |
| EU Countries Quiz | 0 | - | 4.99 | 271,403 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,186 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,147 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,893 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,347 |
| Countries with NO Military | 0 | - | 4.97 | 61,539 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,133 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,134,182 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,412 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,825 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,192 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,696 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,053 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,401 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,423 |
| Buddhist Countries | 0 | - | 4.96 | 143,338 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,664 |
| Landlocked Countries | 0 | - | 4.99 | 416,280 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,737,987 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,263 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,576 |
| Orthodox Countries | 0 | - | 4.92 | 130,857 |
| Richest Island Countries | 0 | - | 4.84 | 99,926 |
| Battle to Country | 0 | - | 4.91 | 52,873 |
| Monarchies of Europe | 0 | - | 4.90 | 97,662 |
| Monarchies of Asia | 0 | - | 4.97 | 70,805 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,554 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,688 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,094 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,000 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,604 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,736 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,668 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,962 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,791 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,939 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 268,048 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,633 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,044 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,036 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,425 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,841 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,756 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,164 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,598 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,539 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,662 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,502 |
| Island Countries | 0 | - | 4.99 | 708,690 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,765 |
| Himalayan Countries | 0 | - | 4.95 | 136,354 |
| Andean Countries | 0 | - | 4.95 | 83,401 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,662 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,893 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,358 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,963 |
| Danube Countries | 0 | - | 4.97 | 71,359 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,155 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,817 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,083 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,029 |
| European Landlocked Countries | 0 | - | 4.99 | 146,089 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,699 |
| Countries with the Most Species | 0 | - | 4.99 | 100,157 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,844 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,313 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,488 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,130 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,785 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,156 |
| Countries in the Alps | 0 | - | 4.86 | 117,287 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,868 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,807 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,230 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,702 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,767 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,221 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,945 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,970 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,771 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,302 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,339 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,188 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,694 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,960 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,972 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,638 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,868 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,403 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,156 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,782 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,475 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,790 |
| Largest Countries By Category | 0 | - | 4.97 | 157,207 |
| Countries by Countries | 0 | - | 4.96 | 62,559 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,414 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,542 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,531 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,825 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,068 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,050 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,888 |
| Northernmost Countries | 0 | - | 4.99 | 359,183 |
| Countries of South America | 0 | - | 5.00 | 919,170 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,027 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,463 |
| "Land" Countries | 0 | - | 4.98 | 334,359 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,575 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,448 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,668 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,610 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,702 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,221 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,406 |
| One Border Countries - Shape Quiz | 0 | - | 4.83 | 64,643 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,173 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 59,983 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,807 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,586 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,378 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,704 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,170 |
| Countries with Megacities | 0 | - | 4.99 | 248,727 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,034 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,488 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,404 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,439 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,102 |
| Countries by Official Language | 0 | - | 4.95 | 193,885 |
| OPEC Countries | 0 | - | 4.74 | 84,926 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,380 |
| Countries in their Native Language | 0 | - | 4.99 | 197,534 |
| Independence from Whom | 0 | - | 4.99 | 210,484 |
| Subdivisions by Country | 0 | - | 4.86 | 50,181 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,256 |
| Countries in World War I | 0 | - | 4.88 | 227,351 |
| Megadiverse Countries | 0 | - | 4.96 | 134,513 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,174 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,730 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,064 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,613 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,939 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,407 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,190 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,512 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,518 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,352 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,800 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,111 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,564 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,664 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,629 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,317 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,834 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,183 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,417 |
| World Map Quiz | 0 | - | 4.81 | 63,994 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,166 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,662 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,993 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,626 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,355 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,606 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,225 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,419 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,594 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,128 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,614 |
| Widest Countries East to West | 0 | - | 4.92 | 129,111 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,319 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,601 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,897 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,931 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,944 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,324 |
