| Countries by Number of Books Published | 0 | - | 4.95 | 72,362 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,666 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,951 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,243 |
| NATO Countries | 0 | - | 4.98 | 279,070 |
| EU Countries Quiz | 0 | - | 4.99 | 272,655 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,263 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,649 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,601 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,868 |
| Countries with NO Military | 0 | - | 4.97 | 61,897 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,552 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,524 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,086 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,530 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,637 |
| Coldest World Capitals | 0 | - | 4.95 | 133,433 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,699 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,068 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,307 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,613 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,805 |
| Buddhist Countries | 0 | - | 4.96 | 143,653 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,113 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,952 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,978 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,458 |
| Countries that Start with D | 0 | - | 4.96 | 707,102 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,247 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,892 |
| Countries that Start with H | 0 | - | 4.96 | 602,651 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,672 |
| Countries that Start with J | 0 | - | 4.98 | 600,518 |
| Countries that Start with K | 0 | - | 4.97 | 813,638 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,437 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,367 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,865 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,744 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,133 |
| Countries that Start with U | 0 | - | 4.97 | 903,068 |
| Countries that Start with V | 0 | - | 4.98 | 608,142 |
| Countries that Start with F | 0 | - | 4.83 | 615,975 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,092 |
| World Currency Quiz | 0 | - | 4.91 | 301,699 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,472 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,573 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,625 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,021 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,302 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,772 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,442 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,846 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,587 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,859 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,425 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,136 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,041 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,450 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,902 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,205 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,145 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,008 |
| Orthodox Countries | 0 | - | 4.92 | 131,214 |
| Richest Island Countries | 0 | - | 4.84 | 100,261 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,768 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,684 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,733 |
| Battle to Country | 0 | - | 4.91 | 53,100 |
| Monarchies of Europe | 0 | - | 4.90 | 97,909 |
| Monarchies of Asia | 0 | - | 4.97 | 70,947 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,323 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,375 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,659 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,461 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,808 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,213 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,883 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,155 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,179 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,320 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,913 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,755 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,083 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,034 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,340 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,245 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,227 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,025 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,985 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,322 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,399 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,833 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,834 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,736 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,798 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,894 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,896 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,315 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,124 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,380 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,832 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,853 |
| WWII Geography | 0 | - | 4.81 | 120,081 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,066 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,791 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.93 | 126,215 |
| Books by Country Quiz | 0 | - | 4.30 | 32,215 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,265 |
| Name a Country A-Z | 0 | - | 5.00 | 242,499 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,170 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,225 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,728 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,656 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,040 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,324 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,561 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,547 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,464 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,765 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 70,224 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,711 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,618 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,885 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,438 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,209 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,297,926 |
| All OPEC Countries Ever | 0 | - | 4.77 | 90,521 |
| Countries in World War I | 0 | - | 4.88 | 227,769 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,644 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,373 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,442 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,019 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,425 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,658 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,142 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,748 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 184,102 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,243 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,202 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,668 |
| Rivers of the United States | 0 | - | 4.93 | 66,049 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,444 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,353 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,818 |
| Boundary Waters | 0 | - | 4.92 | 88,355 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,057 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,872 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,103 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,300 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,230 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,310 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,758 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,150 |
| US States and State Capitals | 0 | - | 4.99 | 161,102 |
| Landlocked Countries | 0 | - | 4.99 | 418,353 |
| Sharia Law Countries | 0 | - | 4.48 | 63,572 |
| Countries Richer Than Their Neighbors | 0 | - | 4.46 | 72,511 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 45,204 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 49,786 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 566,709 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 29,892 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 125,989 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,617 |
| Countries that Start with R | 0 | - | 4.43 | 446,402 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,952 |
| World's Biggest Airlines | 0 | - | 4.42 | 124,780 |
| Hawaiian Islands | 0 | - | 4.83 | 42,632 |
| NBA 2K Highest Rated Players | 0 | - | 4.45 | 333,725 |
| Biblical Geography | 0 | - | 4.40 | 67,137 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,477 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,575 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,589 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,819 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,499 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,641 |
| Busiest Container Ports | 0 | - | 4.11 | 37,377 |
| Most Educated Cities in the United States | 0 | - | 4.30 | 76,235 |
| U.S. College Towns | 0 | - | 4.47 | 29,187 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,871 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,002 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,812 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,454 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,826 |
| Island Countries | 0 | - | 4.99 | 709,535 |
| Countries in World War II | 0 | - | 4.54 | 910,441 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,689 |
| Himalayan Countries | 0 | - | 4.94 | 137,163 |
| Andean Countries | 0 | - | 4.95 | 83,790 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,041 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,434 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,979 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,721 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,266 |
| Danube Countries | 0 | - | 4.97 | 71,595 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,461 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,995 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,539 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,603 |
| European Landlocked Countries | 0 | - | 4.99 | 146,704 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,043 |
