| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,648 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,523 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,099 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,734 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,768 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,778 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,145 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,608 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,781 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,322 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,899 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,615,907 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,472 |
| Random Country to Capital | 0 | - | 4.98 | 918,768 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,383 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,910 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 449,012 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,195 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,876 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,227 |
| Countries with Four Letters | 0 | - | 4.99 | 421,696 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,255 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,291 |
| Capital Cities Chain | 0 | - | 4.83 | 82,532 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,716 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,521 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 171,185 |
| Country Chain | 0 | - | 4.96 | 216,854 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,859 |
| Countries by Emojis | 0 | - | 4.99 | 238,909 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,752 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,981 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,936 |
| Islands by Country #1 | 0 | - | 4.88 | 175,132 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,396 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,743 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,638 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,131 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,570 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,855 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,134 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,046 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,443 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,011 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,898 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,260 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,113 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,318 |
| Companies by Country | 0 | - | 4.61 | 119,496 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 337,637 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,089 |
| The Only Country ... | 0 | - | 4.91 | 80,821 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,601 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,952 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,971 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,155 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,661 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,328 |
| Orthodox Countries | 0 | - | 4.92 | 131,373 |
| Battle to Country | 0 | - | 4.91 | 53,186 |
| Monarchies of Europe | 0 | - | 4.90 | 97,988 |
| Monarchies of Asia | 0 | - | 4.97 | 71,002 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,629 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,612 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,846 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,586 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,071 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,056 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,792 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,005 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,522 |
| Random Countries by Borders | 0 | - | 4.99 | 82,301 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,482 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,758 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,779 |
| US States Quiz | 0 | - | 5.00 | 16,839,637 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,298 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,374 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,188 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,069 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,098 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,430 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 132,844 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,997 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,851 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 137,423 |
| Books by Country Quiz | 0 | - | 4.30 | 32,225 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,971 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,829 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,883 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,452 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,416 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,167 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,417 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,246 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,139 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,714 |
| Boundary Waters | 0 | - | 4.92 | 88,389 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,096 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,935 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,217 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,358 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,289 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,175 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,830 |
| Cities Chain #2 | 0 | - | 4.42 | 56,328 |
| Cities Chain #1 | 0 | - | 4.61 | 66,585 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,806 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,696 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,514 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,455 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,349 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,348,997 |
| Countries in World War I | 0 | - | 4.88 | 227,876 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,753 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 975,329 |
| Hindu Countries | 0 | - | 4.86 | 50,032 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,400 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,807 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,846 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,054 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,597 |
| Name a Country A-Z | 0 | - | 5.00 | 242,800 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,603 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,161 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,516 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,972 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,729 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,539 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,398 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 130,277 |
| First Names of Scientists | 0 | - | 4.50 | 56,753 |
| Star Wars Quotes | 0 | - | 4.85 | 183,655 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,726 |
| World Capitals Quiz | 0 | - | 5.00 | 5,064,933 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,442 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,413 |
| Landlocked Countries | 0 | - | 4.99 | 419,170 |
| Countries with the Most Cathedrals | 0 | - | 4.49 | 45,587 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,778 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,831 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,106 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,591 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,554 |
| Countries by Milk Production | 0 | - | 4.54 | 43,914 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,341 |
| Mountains by Country | 0 | - | 4.56 | 81,737 |
| Islands by Country #2 | 0 | - | 4.80 | 77,343 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,986 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,881 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,243 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,651 |
| Countries that Beat a Random Country | 0 | - | 4.57 | 45,630 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,272 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,290 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,516 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,445 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,841 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 239,289 |
| Historical Middle Names | 0 | - | 4.16 | 35,720 |
| People with Food Names | 0 | - | 4.10 | 60,938 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,486 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,210 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,819 |
| Birth Names | 0 | - | 4.30 | 61,733 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,775 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,408 |
| WWII First Names | 0 | - | 4.44 | 41,753 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,510 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,642 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,705 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,943 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,171 |
| Fictional Cities | 0 | - | 4.26 | 47,933 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,117 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,342 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,276 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,205 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,932 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,180 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,095 |
| Cities that End in I by Clue | 0 | - | 4.61 | 57,253 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,916 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,661 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,206 |
| Island Countries | 0 | - | 4.99 | 709,848 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,078 |
| Himalayan Countries | 0 | - | 4.95 | 137,514 |
| Andean Countries | 0 | - | 4.95 | 83,985 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,256 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,730 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,877 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,378 |
| Danube Countries | 0 | - | 4.97 | 71,688 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,594 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,084 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,689 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,762 |
| European Landlocked Countries | 0 | - | 4.99 | 146,799 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,165 |
