| All Country Flags of the World | 0 | - | 5.00 | 3,661,109 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,759 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,689 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,287 |
| Flags with Crescents | 0 | - | 4.98 | 169,480 |
| Country Flag Trivia | 0 | - | 4.81 | 56,996 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,700 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,474 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,367 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,252 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,773 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,626 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,880 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,378 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,214 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,278 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,979 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,093 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,513 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,476 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,421 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,493 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,594 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,375 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,054 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,483 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,701 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,089 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,341 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,396 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,725 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,939 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,037 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,859 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,447 |
| Flags of North and South America | 0 | - | 4.99 | 372,889 |
| Flags to Languages | 0 | - | 4.95 | 173,608 |
| Former Flags | 0 | - | 4.97 | 107,686 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,931 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,517 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,427 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,944 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,007 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,704 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,130 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,500 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,522 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,590 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,512 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,818 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,744 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,486 |
| World Coats of Arms | 0 | - | 4.99 | 64,476 |
| Similar Flags #1 | 0 | - | 4.75 | 129,990 |
| Similar Flags #2 | 0 | - | 4.74 | 137,275 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,527 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,725 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,355 |
| Emoji Flags | 0 | - | 4.35 | 44,085 |
| Countries by Road Signs | 0 | - | 4.98 | 53,774 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,577 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,252 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,787 |
| Select the World Flags | 0 | - | 4.27 | 37,737 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,946 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,901 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,394 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,090 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,175 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,908 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,477 |
| Countries by Picture #1 | 0 | - | 4.53 | 103,837 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,692 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,809 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,683 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,419 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,196 |
| Pixelated World Map | 0 | - | 5.00 | 143,351 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,921 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,073 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,477 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,191 |
| Boundary Waters | 0 | - | 4.92 | 88,454 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,145 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,051 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,402 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,447 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,380 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,040 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,067 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,624 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,517 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,649 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,334 |
| Geography by Picture - B | 0 | - | 4.42 | 55,596 |
| Geography by Picture - H | 0 | - | 4.50 | 58,222 |
| Geography by Picture - N | 0 | - | 4.45 | 42,201 |
| Geography by Picture - R | 0 | - | 4.56 | 41,020 |
| Geography by Picture - T | 0 | - | 4.54 | 57,837 |
| Flags of Oceania | 0 | - | 5.00 | 258,921 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,245 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,000 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,834 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,161 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,709 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,429,763 |
| Flags of WW1 | 0 | - | 4.60 | 38,366 |
| Landlocked Countries | 0 | - | 4.99 | 420,097 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,237 |
| Satellite Images #1 | 0 | - | 4.47 | 129,361 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,299 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,905 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,917 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,980 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,979 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,576 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,789 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,896 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,110 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,395 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,513 |
| Himalayan Countries | 0 | - | 4.95 | 137,929 |
| Andean Countries | 0 | - | 4.95 | 84,185 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,400 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,028 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,050 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,495 |
| Danube Countries | 0 | - | 4.97 | 71,782 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,723 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,175 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,883 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,038 |
| European Landlocked Countries | 0 | - | 4.99 | 146,920 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,309 |
| Countries with the Most Species | 0 | - | 4.99 | 103,054 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,468 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,473 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,641 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,409 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,090 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,480 |
| Countries in the Alps | 0 | - | 4.87 | 117,906 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,155 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,624 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,516 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,405 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,254 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,808 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,419 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,297 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,050 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,665 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,550 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,391 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,023 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,319 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,324 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,452 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,143 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,655 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,727 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,969 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,553 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,073 |
| Largest Countries By Category | 0 | - | 4.97 | 157,853 |
| Countries by Countries | 0 | - | 4.97 | 62,964 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,402 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,197 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,499 |
| Merged Country Flags | 0 | - | 4.88 | 106,732 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,946 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,769 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,620 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,462 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,765,012 |
| Merged Countries #2 | 0 | - | 4.96 | 99,040 |
| Merged Countries #6 | 0 | - | 4.90 | 73,240 |
| Merged Countries #7 | 0 | - | 4.93 | 82,596 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,526 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,788 |
| Geography by Picture - A | 0 | - | 4.39 | 60,245 |
| Geography by Picture - D | 0 | - | 4.15 | 45,653 |
| Geography by Picture - F | 0 | - | 4.31 | 50,998 |
| Geography by Picture - G | 0 | - | 4.38 | 47,944 |
| Geography by Picture - J | 0 | - | 4.16 | 38,462 |
| Geography by Picture - K | 0 | - | 4.29 | 33,122 |
| Geography by Picture - C | 0 | - | 4.31 | 57,066 |
| Geography by Picture - L | 0 | - | 4.37 | 58,956 |
| Geography by Picture - M | 0 | - | 4.14 | 40,457 |
| Geography by Picture - P | 0 | - | 4.24 | 42,435 |
| Geography by Picture - S | 0 | - | 4.38 | 47,038 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,326 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,432 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,815 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,486 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,154 |
| Longest International Borders | 0 | - | 4.99 | 264,878 |
| Countries with Three Borders | 0 | - | 4.96 | 36,518 |
