| All Country Flags of the World | 0 | - | 5.00 | 3,662,134 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,591 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,936 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,787 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,339 |
| Flags with Crescents | 0 | - | 4.98 | 169,515 |
| Country Flag Trivia | 0 | - | 4.81 | 57,008 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,722 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,488 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,396 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,787 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,697 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,597 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,883 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,752 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,494 |
| World Coats of Arms | 0 | - | 4.99 | 64,494 |
| Flags to Languages | 0 | - | 4.95 | 173,624 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,526 |
| Geography by Picture - B | 0 | - | 4.42 | 55,598 |
| Geography by Picture - H | 0 | - | 4.50 | 58,224 |
| Geography by Picture - N | 0 | - | 4.45 | 42,202 |
| Geography by Picture - R | 0 | - | 4.56 | 41,020 |
| Geography by Picture - T | 0 | - | 4.54 | 57,837 |
| Countries by Road Signs | 0 | - | 4.98 | 53,792 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,008 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,260 |
| Geography by Picture - A | 0 | - | 4.39 | 60,250 |
| Geography by Picture - D | 0 | - | 4.15 | 45,656 |
| Geography by Picture - F | 0 | - | 4.31 | 51,001 |
| Geography by Picture - G | 0 | - | 4.38 | 47,947 |
| Geography by Picture - J | 0 | - | 4.16 | 38,464 |
| Geography by Picture - K | 0 | - | 4.29 | 33,125 |
| Geography by Picture - C | 0 | - | 4.31 | 57,070 |
| Geography by Picture - L | 0 | - | 4.37 | 58,962 |
| Geography by Picture - M | 0 | - | 4.14 | 40,459 |
| Geography by Picture - P | 0 | - | 4.24 | 42,435 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,404 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,534 |
| Flag Maths | 0 | - | 4.64 | 57,760 |
| Satellite Images #1 | 0 | - | 4.47 | 129,371 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,307 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,912 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,927 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,985 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,989 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,955 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,415 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,110 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,193 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,919 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,492 |
| Countries by Picture #1 | 0 | - | 4.53 | 109,347 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,117 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,836 |
| Emoji Flags | 0 | - | 4.35 | 44,087 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,395 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,403 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,715 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,809 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,489 |
| Boundary Waters | 0 | - | 4.92 | 88,455 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,156 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,054 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,414 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,454 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,396 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,710 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,958 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,427 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,271 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,332 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,023 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,148 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,547 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,519 |
| Pixelated World Map | 0 | - | 5.00 | 143,367 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,455 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,520 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,620 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,401 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,080 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,507 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,712 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,105 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,355 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,423 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,745 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,956 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,054 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,876 |
| Landforms by Picture | 0 | - | 4.31 | 20,674 |
| Geography by Picture - I | 0 | - | 4.00 | 39,430 |
| Geography by Picture - O | 0 | - | 4.01 | 28,140 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,457 |
| Former Flags | 0 | - | 4.97 | 107,704 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,942 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,441 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,668 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,328 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,070 |
| Flags of North and South America | 0 | - | 4.99 | 372,966 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,054 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,071 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,971 |
| Countries by Picture #2 | 0 | - | 4.37 | 71,099 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,939 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,576 |
| Select the World Flags | 0 | - | 4.27 | 37,742 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,922 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,953 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,438,261 |
| Landlocked Countries | 0 | - | 4.99 | 420,201 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,517 |
| Flags of Oceania | 0 | - | 5.00 | 259,013 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,269 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,839 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,173 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,726 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,903 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,842 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,580 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,804 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,914 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,140 |
| World Capitals Quiz | 0 | - | 5.00 | 5,072,015 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,575 |
| Himalayan Countries | 0 | - | 4.95 | 137,980 |
| Andean Countries | 0 | - | 4.95 | 84,206 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,427 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,162 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,066 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,509 |
| Danube Countries | 0 | - | 4.97 | 71,791 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,733 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,185 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,912 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,189 |
| European Landlocked Countries | 0 | - | 4.99 | 146,932 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,324 |
| Countries with the Most Species | 0 | - | 4.99 | 103,064 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,494 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,486 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,644 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,420 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,099 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,486 |
| Countries in the Alps | 0 | - | 4.87 | 117,919 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,679 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,645 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,527 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,421 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,265 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,819 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,436 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,312 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,058 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,679 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,553 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,404 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,042 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,325 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,336 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,474 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,149 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,667 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,766 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,032 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,597 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,080 |
| Largest Countries By Category | 0 | - | 4.97 | 157,876 |
| Countries by Countries | 0 | - | 4.97 | 62,984 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,428 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,201 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,503 |
| Merged Country Flags | 0 | - | 4.88 | 106,747 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,986 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,779 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,111 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,477 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,765,872 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,721 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,143 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,543 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,790 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,525 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,338 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,437 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,820 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,514 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,165 |
| Longest International Borders | 0 | - | 4.99 | 264,899 |
| Countries with Three Borders | 0 | - | 4.96 | 36,521 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,003 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,117 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,037 |
| Demonym of Every Country | 0 | - | 4.91 | 59,808 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,360 |
| Islands by Picture | 0 | - | 4.29 | 106,942 |
