| All Country Flags of the World | 0 | - | 5.00 | 3,594,955 |
| Countries by Road Signs | 0 | - | 4.98 | 52,993 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,955 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,951 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,776 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,697 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,165 |
| Countries with the Highest Minimum Elevation | 0 | - | 4.86 | 16,015 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 179,891 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 112,046 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 90,796 |
| Flags with Crescents | 0 | - | 4.98 | 167,312 |
| Country Flag Trivia | 0 | - | 4.81 | 55,797 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,257 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,347 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,749 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,944 |
| Boundary Waters | 0 | - | 4.92 | 87,994 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,186 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,142 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,769 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,659 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,234 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,902 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,397 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,430 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 113,939 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,529 |
| Flags that are Red & White Only | 0 | - | 4.97 | 153,039 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 144,341 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,358 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,443 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,446 |
| Pixelated World Map | 0 | - | 5.00 | 142,035 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,122 |
| Country Flags with the Most Blue | 0 | - | 4.87 | 91,568 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,645 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,456 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,142 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,708 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,192 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,604 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,677 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,282 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,590 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,630 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,855 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,321 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,254 |
| World Coats of Arms | 0 | - | 4.99 | 63,789 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,975 |
| Flags to Languages | 0 | - | 4.95 | 172,351 |
| Former Flags | 0 | - | 4.97 | 106,539 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,555 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,677 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,341 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,580 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,305 |
| Flags of North and South America | 0 | - | 4.99 | 365,678 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,439 |
| Geography by Picture - B | 0 | - | 4.42 | 55,386 |
| Geography by Picture - H | 0 | - | 4.49 | 58,019 |
| Geography by Picture - N | 0 | - | 4.45 | 42,032 |
| Geography by Picture - R | 0 | - | 4.55 | 40,866 |
| Geography by Picture - T | 0 | - | 4.54 | 57,650 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,658 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,858,505 |
| Landlocked Countries | 0 | - | 4.99 | 412,943 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,822 |
| Flags of Oceania | 0 | - | 5.00 | 254,655 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,665 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,968 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,298 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,660 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,114 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,912 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,483 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,847 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,188 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,277 |
| Himalayan Countries | 0 | - | 4.95 | 135,080 |
| Andean Countries | 0 | - | 4.94 | 82,680 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,095 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,012 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,778 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,488 |
| Danube Countries | 0 | - | 4.97 | 71,011 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,654 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,466 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,307 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,226 |
| European Landlocked Countries | 0 | - | 4.99 | 145,678 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,068 |
| Countries with the Most Species | 0 | - | 4.99 | 95,196 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,216 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,335 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,913 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,521 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,878 |
| Countries in the Alps | 0 | - | 4.87 | 116,701 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,486 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,100 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,949 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,335 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,072 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,940 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,480 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,693 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,143 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,977 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,168 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,001 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,372 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,683 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,682 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,895 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,575 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,207 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,686 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,881 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,403 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,547 |
| Largest Countries By Category | 0 | - | 4.97 | 156,636 |
| Countries by Countries | 0 | - | 4.96 | 62,180 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,241 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,936 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,307 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,416 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,016 |
| Countries by Highest Mountain | 0 | - | 4.51 | 19,819 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,614 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,667 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.70 | 59,426 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,484 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,987 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,539 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,641 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,460 |
| Geography by Picture - A | 0 | - | 4.39 | 60,023 |
| Geography by Picture - D | 0 | - | 4.15 | 45,468 |
| Geography by Picture - F | 0 | - | 4.31 | 50,808 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,315 |
| Geography by Picture - K | 0 | - | 4.28 | 32,996 |
| Geography by Picture - C | 0 | - | 4.31 | 56,892 |
| Geography by Picture - L | 0 | - | 4.37 | 58,732 |
| Geography by Picture - M | 0 | - | 4.14 | 40,328 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,894 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,107 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,381 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,330 |
| Flag Maths | 0 | - | 4.78 | 57,664 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,961 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,954 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,616 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,617 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,777 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,285 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,489 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,214 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,404 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,172 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,554 |
| Longest International Borders | 0 | - | 4.99 | 263,386 |
| Countries with Three Borders | 0 | - | 4.96 | 36,135 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,565 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,611 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,833 |
| Demonym of Every Country | 0 | - | 4.91 | 58,573 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,169 |
| Islands by Picture | 0 | - | 4.29 | 105,769 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,327 |
| Empires by Maps | 0 | - | 4.98 | 118,184 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,201 |
| The Same Prefixes - Geography | 0 | - | 4.49 | 47,351 |
| Biggest First-Level Subdivisions by Area | 0 | - | 4.89 | 26,555 |
| "Second Best" Geography Edition #1 | 0 | - | 4.64 | 62,982 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,121 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,174 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,860 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,032 |
| Island Countries | 0 | - | 4.99 | 707,274 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,994 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,643 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,772 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,654 |
| Country Flags with the Southern Cross | 0 | - | 4.78 | 61,288 |
| Similar Flags #1 | 0 | - | 4.74 | 128,977 |
| Similar Flags #2 | 0 | - | 4.74 | 136,242 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,191 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,468 |
| Northernmost Countries | 0 | - | 4.99 | 357,299 |
| Mountains by Country | 0 | - | 4.64 | 81,526 |
| Countries of South America | 0 | - | 5.00 | 913,537 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,802 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,472 |
| "Land" Countries | 0 | - | 4.98 | 333,443 |