| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 48,622 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,968,827 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,388 |
| NATO Countries | 0 | - | 4.98 | 283,984 |
| EU Countries Quiz | 0 | - | 4.99 | 278,887 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,902 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,758 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,772 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,945 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,234 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,011 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,347 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,276 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,671 |
| Countries with NO Military | 0 | - | 4.97 | 63,605 |
| Monarchies of the World | 0 | - | 4.94 | 170,542 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,189 |
| People on Money by Country | 0 | - | 4.83 | 60,769 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,720 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 118,068 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 170,436 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 88,592 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,671 |
| Landlocked Countries | 0 | - | 4.99 | 427,235 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 144,841 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,207 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,943 |
| Word Puzzles - Countries #2 | 0 | - | 4.23 | 44,651 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 171,049 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 194,212 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 302,196 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,996 |
| Most Guessed Cities by Country #2 | 0 | - | 4.94 | 80,516 |
| Most Guessed Cities by Country #1 | 0 | - | 4.88 | 103,489 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,465 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,277 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,248 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 99,671 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,601 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,353 |
| Buddhist Countries | 0 | - | 4.96 | 145,252 |
| Most Guessed Countries on JetPunk | 0 | - | 4.96 | 199,524 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,319 |
| Coldest Countries | 0 | - | 4.97 | 139,525 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,973 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 91,099 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 83,114 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,379 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 60,121 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,986 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,628 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,908 |
| Himalayan Countries | 0 | - | 4.93 | 140,827 |
| Andean Countries | 0 | - | 4.94 | 85,800 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,916 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,486 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,466 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,688 |
| Danube Countries | 0 | - | 4.97 | 72,555 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,800 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,971 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,441 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,914 |
| European Landlocked Countries | 0 | - | 4.99 | 147,740 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,538 |
| Countries with the Most Species | 0 | - | 4.99 | 103,645 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,638 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,814 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,953 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,925 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,679 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,129 |
| Countries in the Alps | 0 | - | 4.87 | 118,973 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,989 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,132 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,053 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,171 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,127 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,390 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,594 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,992 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,513 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,314 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,954 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,831 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,674 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,924 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,019 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,148 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,733 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,439 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,842 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,306 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,492 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,615 |
| Largest Countries By Category | 0 | - | 4.97 | 159,095 |
| Countries by Countries | 0 | - | 4.97 | 63,807 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,445 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,450 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,705 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,229 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,606 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 51,325 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,037 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,354 |
| Island Countries | 0 | - | 4.99 | 713,011 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,151 |
| Northernmost Countries | 0 | - | 4.99 | 364,591 |
| Countries of South America | 0 | - | 5.00 | 934,279 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,513 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,989 |
| "Land" Countries | 0 | - | 4.98 | 338,994 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,366 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,959 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,408 |
| Countries that Start with D | 0 | - | 4.96 | 717,786 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,659 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,217 |
| Countries that Start with H | 0 | - | 4.96 | 610,523 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,824 |
| Countries that Start with J | 0 | - | 4.98 | 607,906 |
| Countries that Start with K | 0 | - | 4.97 | 821,740 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,074 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,149 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,294 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,831 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,881 |
| Countries that Start with U | 0 | - | 4.97 | 909,224 |
| Countries that Start with V | 0 | - | 4.98 | 612,549 |
| Countries that Start with F | 0 | - | 4.83 | 622,020 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,595 |
| Richest Island Countries | 0 | - | 4.85 | 101,353 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,024 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,610 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,448 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,022 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,343 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,897 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,359 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,374 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,674 |
| Countries by Oil Consumption | 0 | - | 4.96 | 124,855 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,065 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,552 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,143 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,221 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,980 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 174,669 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,341 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,242 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,500 |
| Countries with Megacities | 0 | - | 4.99 | 267,846 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,150 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,337 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,473 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,437 |
| Countries by Official Language | 0 | - | 4.95 | 196,221 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,943 |
| Countries in their Native Language | 0 | - | 4.99 | 199,959 |
| Independence from Whom | 0 | - | 4.99 | 213,405 |
| Subdivisions by Country | 0 | - | 4.87 | 50,666 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,664 |
| Megadiverse Countries | 0 | - | 4.96 | 149,033 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,136 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,577 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,807 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,257 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,470 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,925 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,278 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,626 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,166 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,287 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,769 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,488 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,507 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,218 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,640 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,975 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,233 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,731 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,397 |
| World Map Quiz | 0 | - | 4.81 | 65,924 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,889 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,815 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,513 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,234 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,704 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,930 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,550 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,662 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,849 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,764 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,939 |
| Widest Countries East to West | 0 | - | 4.92 | 130,853 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,628 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,402 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,563 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,159 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,110 |
