| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,634,564 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,187 |
| Random Country to Capital | 0 | - | 4.98 | 923,197 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,106,082 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,652 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,514 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,038 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,864 |
| Countries with Four Letters | 0 | - | 4.99 | 423,495 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,061 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,988 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,849 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,637 |
| Capital Cities Chain | 0 | - | 4.84 | 82,984 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,143 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,127 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,445 |
| Country Chain | 0 | - | 4.96 | 217,690 |
| Countries by Emojis | 0 | - | 4.99 | 240,524 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,142 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,861 |
| Islands by Country #1 | 0 | - | 4.90 | 175,548 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,699 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,090 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,854 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,488 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,751 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,462 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,596 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,748 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,753 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,025 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,766 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,143 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 723,074 |
| Movies with Names in the Title #2 | 0 | - | 4.49 | 92,010 |
| Movie Titles by Emoji | 0 | - | 4.44 | 122,549 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,987 |
| The Only Country ... | 0 | - | 4.91 | 81,448 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,203 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,369 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,301 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,874 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,621 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,979 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,367 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,772 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,682 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,690 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,169 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,245 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,215 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,237 |
| Random Countries by Borders | 0 | - | 4.99 | 82,683 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,049 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,489 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,154 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,403 |
| Movies with Food in the Title | 0 | - | 4.14 | 232,958 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,338 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,128 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,641 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,002 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,704 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,375 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,628 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,120 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,450 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,925 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,792 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,534 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,728 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,073 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,433 |
| Movies with Names in the Title #1 | 0 | - | 4.29 | 140,037 |
| Movies with Names in the Title #3 | 0 | - | 4.19 | 65,226 |
| Boundary Waters | 0 | - | 4.92 | 88,597 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,268 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,313 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,786 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,652 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,318 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,156 |
| Cities Chain #2 | 0 | - | 4.42 | 56,436 |
| Cities Chain #1 | 0 | - | 4.61 | 66,693 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,700 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,671 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,518 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,613,474 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 978,901 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,037 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,664 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,135 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,421 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,941 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,999 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,188 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,546 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,805 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,452 |
| Landlocked Countries | 0 | - | 4.99 | 422,360 |
| Last Names by Country of Origin | 0 | - | 4.64 | 156,933 |
| Songs with Countries in the Title | 0 | - | 3.85 | 44,591 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,916 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,117 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,298 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,623 |
| Countries by Milk Production | 0 | - | 4.54 | 44,089 |
| Mountains by Country | 0 | - | 4.56 | 81,849 |
| Islands by Country #2 | 0 | - | 4.80 | 77,572 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,557 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,312 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 240,812 |
| Movie Titles with Shared First Words #1 | 0 | - | 4.48 | 49,174 |
| Movies with Colors in the Title #2 | 0 | - | 3.47 | 54,485 |
| Movies with Colors in the Title #1 | 0 | - | 3.84 | 36,197 |
| Title NOT in the Lyrics | 0 | - | 4.44 | 72,458 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,198 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,045 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,724 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,057 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,460 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,473 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,889 |
| Movie Cities | 0 | - | 4.33 | 50,905 |
| Fictional Cities | 0 | - | 4.26 | 47,958 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,178 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,502 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 489,482 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,342 |
| Cities that End in A by Clue | 0 | - | 4.55 | 53,087 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,379 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,230 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,420 |
| Cities that End in S by Clue | 0 | - | 4.57 | 45,050 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,624 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,579 |
| Island Countries | 0 | - | 4.99 | 711,179 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,714 |
| Himalayan Countries | 0 | - | 4.95 | 138,911 |
| Andean Countries | 0 | - | 4.93 | 84,726 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,928 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,988 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,543 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,881 |
| Danube Countries | 0 | - | 4.97 | 72,067 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,084 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,471 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,389 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,877 |
| European Landlocked Countries | 0 | - | 4.99 | 147,194 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,723 |
| Countries with the Most Species | 0 | - | 4.99 | 103,277 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,839 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,616 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,737 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,575 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,264 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,710 |
| Countries in the Alps | 0 | - | 4.87 | 118,270 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,361 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,109 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,694 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,635 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,558 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,984 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,721 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,544 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,203 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,895 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,679 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,548 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,434 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,261 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,513 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,571 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,998 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,344 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,253 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,139 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,129 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,241 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,266 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 81,255 |
| Countries That Eat the Most Pork | 0 | - | 4.18 | 39,337 |
| Largest Countries By Category | 0 | - | 4.97 | 158,284 |
| Countries by Countries | 0 | - | 4.96 | 63,277 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,384,624 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 144,733 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,746 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,186 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,577 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,063 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,711 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,347 |
| Northernmost Countries | 0 | - | 4.99 | 362,144 |
| Companies by Country | 0 | - | 4.61 | 119,848 |
| Movies by Country Quiz #1 | 0 | - | 4.17 | 53,378 |
| Movies by Country #2 | 0 | - | 4.20 | 45,768 |