| Word Scramble - Countries | 0 | - | 4.87 | 2,106,663 |
| Geography General Knowledge #1 | 0 | - | 4.43 | 264,146 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 133,304 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 187,163 |
| Geography General Knowledge #6 | 0 | - | 4.52 | 152,268 |
| Geography General Knowledge #7 | 0 | - | 4.44 | 159,643 |
| Geography General Knowledge #8 | 0 | - | 4.44 | 150,776 |
| Geography General Knowledge #10 | 0 | - | 4.47 | 157,178 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 110,576 |
| Geography General Knowledge #12 | 0 | - | 4.78 | 124,768 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,600 |
| Country Decoders #1 | 0 | - | 4.45 | 43,739 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,368 |
| Random Countries by Borders | 0 | - | 4.99 | 82,719 |
| Geography General Knowledge #2 | 0 | - | 4.38 | 181,003 |
| Geography General Knowledge #5 | 0 | - | 4.34 | 149,140 |
| Geography General Knowledge #9 | 0 | - | 4.39 | 132,088 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,574 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,631 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,243 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,918 |
| U.S. Geography General Knowledge #4 | 0 | - | 4.29 | 31,930 |
| U.S. Geography General Knowledge #3 | 0 | - | 4.15 | 34,926 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,636,266 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,737 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,324 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,624 |
| Random Country to Capital | 0 | - | 4.98 | 923,528 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,777 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,630 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,145 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,923 |
| Countries with Four Letters | 0 | - | 4.99 | 423,659 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 237,423 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,125 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,044 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,221 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,533 |
| Country Chain | 0 | - | 4.96 | 217,740 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 31,009 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,994 |
| Islands by Country #1 | 0 | - | 4.90 | 175,612 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,768 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,146 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,904 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,838 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,671 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,700 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,853 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,846 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,094 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,830 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,206 |
| U.S. Geography General Knowledge #1 | 0 | - | 4.14 | 28,687 |
| U.S. Geography General Knowledge #2 | 0 | - | 4.28 | 24,718 |
| Country Decoders #2 | 0 | - | 4.12 | 26,848 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,911 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,694 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 728,084 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 46,337 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,523 |
| Five Letter Geography #3 | 0 | - | 4.61 | 131,671 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,735 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,726 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,801 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,661 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,237 |
| Geography Decoder | 0 | - | 4.53 | 75,733 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,589 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,733 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,649 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,767 |
| Five Letter Geography #4 | 0 | - | 4.78 | 85,071 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,615 |
| The Only Country ... | 0 | - | 4.91 | 81,482 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,243 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,399 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,870 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,819 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,761 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,236 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,308 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,542 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,190 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,695 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,457 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,085 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,122 |
| Boundary Waters | 0 | - | 4.92 | 88,612 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,280 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,345 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,827 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,676 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,984 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,815 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,612 |
| 6-Letter Geography Chain #2 | 0 | - | 4.41 | 71,397 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,796 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,328 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,177 |
| Cities Chain #2 | 0 | - | 4.42 | 56,441 |
| Cities Chain #1 | 0 | - | 4.61 | 66,699 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,709 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,634,585 |
| Landlocked Countries | 0 | - | 4.99 | 422,630 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 979,271 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,128 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,628 |
| Geographic Groups of Four #1 | 0 | - | 4.70 | 176,261 |
| Geographic Groups of Five #1 | 0 | - | 4.47 | 120,690 |
| Geographic Groups of Seven #1 | 0 | - | 4.63 | 141,281 |
| Geographic Groups of Two #2 | 0 | - | 4.67 | 115,322 |
| Geographic Groups of Six #2 | 0 | - | 4.53 | 53,345 |
| Geographic Groups of Two #3 | 0 | - | 4.46 | 84,210 |
| Geographic Groups of Four #2 | 0 | - | 4.77 | 80,924 |
| Geographic Groups of Five #2 | 0 | - | 4.74 | 64,078 |
| Geographic Groups of Three #2 | 0 | - | 4.55 | 69,985 |
| Geographic Groups of Two #4 | 0 | - | 4.45 | 78,486 |
| History General Knowledge #1 | 0 | - | 4.55 | 128,666 |
| History General Knowledge #3 | 0 | - | 4.50 | 96,701 |
| History General Knowledge #6 | 0 | - | 4.49 | 89,092 |
| History General Knowledge #10 | 0 | - | 4.43 | 78,062 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,876 |
| Four Letter Geography #2 | 0 | - | 4.39 | 64,081 |
| Three Letter Geography | 0 | - | 4.29 | 74,895 |
| Five Letter Geography #2 | 0 | - | 4.30 | 88,675 |
| Geography Analogies #5 | 0 | - | 4.22 | 55,622 |
| Seven Continents Quiz | 0 | - | 4.21 | 106,847 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,305 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,703 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,783,345 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,039 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,237 |
| Bread Alone | 0 | - | 4.48 | 27,161 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,742 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,084 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,500 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,516 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,185 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,252 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,700 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,729 |
| Island Countries | 0 | - | 4.99 | 711,269 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,847 |
| Himalayan Countries | 0 | - | 4.95 | 139,029 |
| Andean Countries | 0 | - | 4.93 | 84,798 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,025 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,102 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,612 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,926 |
| Danube Countries | 0 | - | 4.97 | 72,098 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,130 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,498 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,452 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,941 |
| European Landlocked Countries | 0 | - | 4.99 | 147,233 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,769 |
| Countries with the Most Species | 0 | - | 4.99 | 103,309 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,888 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,631 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,750 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,597 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,320 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,742 |
| Countries in the Alps | 0 | - | 4.87 | 118,314 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,533 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,191 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,721 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,674 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,585 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,000 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,756 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,569 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,227 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,924 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,691 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,573 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,298 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,541 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,607 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,061 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,369 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,493 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,204 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,291 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,325 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,284 |
| Largest Countries By Category | 0 | - | 4.97 | 158,343 |
| Countries by Countries | 0 | - | 4.96 | 63,319 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,775 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,311 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,582 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,749 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,688 |
| Northernmost Countries | 0 | - | 4.99 | 362,281 |
| Islands by Country #2 | 0 | - | 4.80 | 77,597 |
| Countries of South America | 0 | - | 5.00 | 928,275 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,102 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,296 |
| "Land" Countries | 0 | - | 4.98 | 337,534 |