| Five Countries by a Single Word by Continent | 78,860 | 0 | - |
| Countries of the World Quiz | 47,970,421 | 0 | - |
| World Capitals Quiz | 5,113,872 | 0 | - |
| Mountain in the Answers | 44,199 | 0 | - |
| Official Languages of the World | 424,148 | 0 | - |
| Capitals Starting With A | 129,275 | 0 | - |
| Which U.S. State Capital? | 15,983 | 0 | - |
| One Border Countries | 472,593 | 0 | - |
| U.S. State Nicknames | 50,797 | 0 | - |
| World Languages by Clue #2 | 21,049 | 0 | - |
| Countries With One Word And Two I's | 43,974 | 0 | - |
| Countries in their Native Language | 199,964 | 0 | - |
| Roman Names for Places | 58,780 | 0 | - |
| Name the U.S. National Parks | 60,588 | 0 | - |
| 100 Cities by Letter - B | 15,217 | 0 | - |
| Beers by Country | 97,736 | 0 | - |
| 13 American Colonies - Sudden Death | 48,440 | 0 | - |
| One-Syllable Countries Quiz | 123,318 | 0 | - |
| Canadian Cities - Sudden Death | 51,984 | 0 | - |
| Huge List of Famous Mountains | 44,055 | 0 | - |
| U.S. License Plates Picture Quiz | 53,187 | 0 | - |
| World Countries - Blind Typing | 109,496 | 0 | - |
| Countries in Their Own Alphabet | 48,618 | 0 | - |
| All Country Flags of the World | 3,724,720 | 0 | - |
| China's Neighbours - Sudden Death | 151,525 | 0 | - |
| Coldest Countries with Exceptions | 39,441 | 0 | - |
| City to Country Quiz #1 | 157,888 | 0 | - |
| US States Quiz | 17,021,486 | 0 | - |
| Bulgaria Country Quiz | 31,116 | 0 | - |
| Countries of Oceania | 1,065,547 | 0 | - |
| Name a Valid European Country #1 | 265,344 | 0 | - |
| U.S. State Capitals by First Letter | 30,046 | 0 | - |
| Northernmost Major Cities in the U.S. | 48,971 | 0 | - |
| 2014 Ebola Outbreak Countries | 13,265 | 0 | - |
| Rivers in History | 33,526 | 0 | - |
| Can You Name These 50 Random Countries? | 219,508 | 0 | - |
| Countries with W | 161,320 | 0 | - |
| Countries of Europe by Population | 183,629 | 0 | - |
| Name an Official Language A-Z | 177,152 | 0 | - |
| Africa A-Z | 46,797 | 0 | - |
| Caribbean Countries and Territories | 113,691 | 0 | - |
| Countries where the Sea Freezes | 115,350 | 0 | - |
| U.S. Geography by Letter - C | 74,686 | 0 | - |
| Three Letter Geography | 75,086 | 0 | - |
| U.S. State Capitals Quiz | 1,700,441 | 0 | - |
| State Quiz - New York | 46,539 | 0 | - |
| U.S. State Capitals Where it Doesn't Snow | 51,453 | 0 | - |
| Which Island in the United States? | 29,834 | 0 | - |
| Canada Provinces and Territories | 347,077 | 0 | - |
| City Superlatives #2 | 13,298 | 0 | - |
| United Kingdom A-Z | 88,443 | 0 | - |
| Countries with NO Military | 63,609 | 0 | - |
| Monarchies of the World | 170,550 | 0 | - |
| Countries with the Tallest Buildings | 105,000 | 0 | - |
| U.S. Cities Named for People - Sudden Death | 24,945 | 0 | - |
| Every City in Michigan on a Map | 9,817 | 0 | - |
| Unusual U.S. City Names | 28,055 | 0 | - |
| Countries by Three Words #2 | 205,174 | 0 | - |
| Most Populous Countries in 1950 | 86,591 | 0 | - |
| Tectonic Plates Map Quiz | 82,247 | 0 | - |
| Coldest U.S. State Capitals | 23,954 | 0 | - |
| State Quiz - Tennessee | 34,440 | 0 | - |
| Closest Countries to North Korea | 123,374 | 0 | - |
| State Quiz - Virginia | 40,580 | 0 | - |
| State Quiz - Michigan | 52,557 | 0 | - |
| Canada by Picture | 19,310 | 0 | - |
| First Countries to Celebrate the New Year | 43,875 | 0 | - |
| Landlocked Countries | 427,260 | 0 | - |
| Name A U.S. State Capital A-Z | 17,720 | 0 | - |
| European Capital Superlatives - Top 2 | 81,686 | 0 | - |
| Saintly Islands of the Caribbean | 24,176 | 0 | - |
| Top Chocolate Growing Countries | 62,173 | 0 | - |
| Countries with Cardinal Directions in Their Names | 153,425 | 0 | - |
| Sweden Immigration by Country | 56,439 | 0 | - |
| Top 50 Countries by Population - In Order | 336,629 | 0 | - |
| Tourist Attraction by Negative Review | 82,887 | 0 | - |
| People Born on Islands | 53,084 | 0 | - |
| Asian Country Superlatives | 81,355 | 0 | - |
| Random Geography General Knowledge Quiz | 136,099 | 0 | - |
| Country Name Etymologies #1 | 159,607 | 0 | - |
| Middle Eastern Geography Quiz | 44,264 | 0 | - |
| All Official UK County Flags | 59 | - | - |
| Most Populous Countries By Category | 85,752 | 0 | - |
| World Capitals Ending with O | 18,121 | 0 | - |
| Sensible U.S. Airport Codes | 15,640 | 0 | - |
| Top Five Countries by Language | 52,432 | 0 | - |
| Countries with Four Letters - Shape Quiz | 102,036 | 0 | - |
| Regions of U.S. States | 44,253 | 0 | - |
| "Do Not Travel" Countries for U.S. Citizens | 247,008 | 0 | - |
| Country Name Etymologies #2 | 87,104 | 0 | - |
| City to Country Quiz #2 | 109,659 | 0 | - |
| Global Cities on a World Map | 137,508 | 0 | - |
| São Tomé and Príncipe Country Quiz | 18,904 | 0 | - |
| Italy A-Z | 58,842 | 0 | - |
| Countries with the Highest Population Under Age 15 | 111,554 | 0 | - |
| The Crete Quiz | 169 | - | - |
| Landlocked Countries in Africa | 48,247 | 0 | - |
| Countries with the 2nd Most Speakers | 29,725 | 0 | - |
| Most Populous Islands on a World Map | 23,866 | 0 | - |
| Chinese History A-Z | 9,599 | 0 | - |
| European Geography By Letter - P #2 | 7,940 | 0 | - |
| 50% Single Letter Countries | 89,212 | 0 | - |
| U.S. States with the Highest Percentage of Farmland | 65,681 | 0 | - |
| Countries with the Word "And" | 117,911 | 0 | - |
| The Only Two U.S. States | 82,001 | 0 | - |
| Which European Island? | 41,213 | 0 | - |
| State Quiz - Minnesota | 39,083 | 0 | - |
| Megadiverse Countries | 149,086 | 0 | - |
| State Quiz - New Jersey | 38,420 | 0 | - |
| Commonwealth of Nations Countries | 238,596 | 0 | - |
| Geography General Knowledge #16 | 23,758 | 0 | - |
| Countries with Multiple Populous Islands | 96,167 | 0 | - |
| Landmarks Picture Quiz #1 | 396,654 | 0 | - |
| Capitals Starting With C | 99,157 | 0 | - |
| Every 1,000,000+ City on a Map | 116,779 | 0 | - |
| Top Five Countries By Category #2 | 202,310 | 0 | - |
| Islands by Shape #2 | 59,598 | 0 | - |
| "Land" Countries | 338,999 | 0 | - |
| U.S. States by Clue #1 | 44,001 | 0 | - |
| U.S. States by Clue #2 | 23,444 | 0 | - |
| U.S. States by Clue #3 | 1,680 | 0 | - |
| Landforms Fill in the Blank | 91,928 | 0 | - |
| Top 10 Largest U.S. States by Area | 161,170 | 0 | - |
| Countries by Borders in 90 Seconds | 3,853,358 | 0 | - |
| History of France | 57,720 | 0 | - |
| Oldest Capital Cities | 46,316 | 0 | - |
| U.S. Geography by Letter - M | 53,777 | 0 | - |
| Boston Talk to English Translation Quiz | 56,296 | 0 | - |
| If Country Flags Were... Slightly More Ridiculous | 21,170 | 0 | - |
| City to Country Quiz #3 | 120,158 | 0 | - |
| U.S. Cities A-Z by Clue #1 | 39,994 | 0 | - |
| Name a Valid European Country #2 | 116,117 | 0 | - |
| Countries that End in I | 135,427 | 0 | - |
| Cities in European History #1 | 134,737 | 0 | - |
| Countries With an L in Each Position | 26,697 | 0 | - |
| Words that are Names of U.S. Cities | 2,456 | 0 | - |
| Turkey A-Z | 11,942 | 0 | - |
| Word Chain - France | 42,960 | 0 | - |
| Countries by a Single Clue #18 | 2,461 | 0 | - |
| Poorest Metro Areas in the U.S. | 25,962 | 0 | - |
| Capitals A-Z #1 | 51,941 | 0 | - |
| Indo-European Languages - Sudden Death | 37,801 | 0 | - |
| Russian History A-Z | 32,297 | 0 | - |
| European Cities A-Z by Clue #1 | 87,807 | 0 | - |
| Fill the World Map by Country Flags | 84,416 | 0 | - |
| Midwestern States of the U.S. | 14,212 | 0 | - |
| Capitals Starting With M | 109,369 | 0 | - |
| Kazakhstan Country Quiz | 36,861 | 0 | - |
| World's Busiest Airports | 237,968 | 0 | - |
| Bodies of Water in History | 2,349 | 0 | - |
| New York Groups of Things | 72,366 | 0 | - |
| Cities that End in K by Clue | 5,039 | 0 | - |
| Modern-Day Countries of the Ottoman Empire on a Map | 83,534 | 0 | - |
| All World Leaders 2026 | 21,135 | 0 | - |
| Countries that Start with a Vowel | 155,725 | 0 | - |
| Locations by Letter - C | 38,820 | 0 | - |
| US States and State Capitals | 165,980 | 0 | - |
| Progressive Geography Test #1 | 9,829 | - | - |
| Saint Vincent and the Grenadines Country Quiz | 19,315 | 0 | - |
| History of France - Expert Mode | 8,390 | 0 | - |
| European Geography By Letter - B #2 | 89,067 | 0 | - |
| U.S. Geography by Letter - R | 37,071 | 0 | - |
| European Geographic Groups of Four | 20,468 | 0 | - |
| Name a Valid Country by Disputed Area | 65,463 | 0 | - |
| States and Provinces that Touch the Great Lakes | 35,410 | 0 | - |
| Countries Closest to North Sentinel Island | 83 | - | - |
| Coups d'Etat - Name the Country | 42,359 | 0 | - |
| Countries by First and Last Letter #1 | 185,918 | 0 | - |
| Geography of China | 18,030 | 0 | - |
| Michigan Cities - Sudden Death | 3,598 | 0 | - |
