| All Country Flags of the World | 0 | - | 5.00 | 3,596,719 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,176 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,878 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,286 |
| Flags with Crescents | 0 | - | 4.98 | 167,375 |
| Country Flag Trivia | 0 | - | 4.81 | 55,821 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,286 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,377 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,792 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,958 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,539 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,035 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,656 |
| Flags that are Red & White Only | 0 | - | 4.97 | 157,745 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,448 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,608 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,507 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,517 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,226 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,619 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,703 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,493 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,179 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,741 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,218 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,628 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,695 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,312 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,626 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,665 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,895 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,992 |
| Flags of North and South America | 0 | - | 4.99 | 366,183 |
| Flags to Languages | 0 | - | 4.95 | 172,388 |
| Former Flags | 0 | - | 4.97 | 106,567 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,585 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,143 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,707 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,488 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,673 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,842 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,001 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,555 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,430 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,356 |
| Flag Maths | 0 | - | 4.78 | 57,667 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,259 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,915 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,412 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,331 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,258 |
| World Coats of Arms | 0 | - | 4.99 | 63,803 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,296 |
| Similar Flags #1 | 0 | - | 4.74 | 129,017 |
| Similar Flags #2 | 0 | - | 4.74 | 136,273 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,271 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,680 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,736 |
| Emoji Flags | 0 | - | 4.35 | 43,799 |
| Countries by Road Signs | 0 | - | 4.98 | 53,033 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,975 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,965 |
| Select the World Flags | 0 | - | 4.27 | 37,382 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,239 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,530 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,001 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,650 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,786 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,659 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,200 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,330 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,957 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,348 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,731 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,929 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,852 |
| Pixelated World Map | 0 | - | 5.00 | 142,323 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,602 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,328 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,629 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,913 |
| Boundary Waters | 0 | - | 4.92 | 88,013 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,792 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,205 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,180 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,789 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,677 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,215 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,894 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,024 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,525 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,137 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,904 |
| Geography by Picture - B | 0 | - | 4.42 | 55,391 |
| Geography by Picture - H | 0 | - | 4.49 | 58,026 |
| Geography by Picture - N | 0 | - | 4.45 | 42,038 |
| Geography by Picture - R | 0 | - | 4.55 | 40,869 |
| Geography by Picture - T | 0 | - | 4.54 | 57,655 |
| Flags of Oceania | 0 | - | 5.00 | 254,809 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,724 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,382 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,002 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,337 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,716 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,873,448 |
| Flags of WW1 | 0 | - | 4.60 | 37,899 |
| Landlocked Countries | 0 | - | 4.99 | 413,107 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,408 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,974 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,960 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,623 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,626 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,783 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,303 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,735 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,124 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,933 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,505 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,870 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,675 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,359 |
| Himalayan Countries | 0 | - | 4.95 | 135,143 |
| Andean Countries | 0 | - | 4.94 | 82,719 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,140 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,063 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,807 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,508 |
| Danube Countries | 0 | - | 4.97 | 71,024 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,684 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,479 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,343 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,267 |
| European Landlocked Countries | 0 | - | 4.99 | 145,693 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,099 |
| Countries with the Most Species | 0 | - | 4.99 | 95,210 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,251 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,184 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,344 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,924 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,537 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,893 |
| Countries in the Alps | 0 | - | 4.87 | 116,736 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,501 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,137 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,964 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,357 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,091 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,951 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,503 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,708 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,777 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,001 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,178 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,009 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,395 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,699 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,941 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,587 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,215 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,715 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,969 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,456 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,561 |
| Largest Countries By Category | 0 | - | 4.97 | 156,665 |
| Countries by Countries | 0 | - | 4.96 | 62,197 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,282 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,943 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,310 |
| Merged Country Flags | 0 | - | 4.88 | 105,947 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,485 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,035 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,001 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,696 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,801 |
| Merged Countries #2 | 0 | - | 4.96 | 98,416 |
| Merged Countries #6 | 0 | - | 4.91 | 72,662 |
| Merged Countries #7 | 0 | - | 4.92 | 81,910 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,655 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,469 |
| Geography by Picture - A | 0 | - | 4.39 | 60,030 |
| Geography by Picture - D | 0 | - | 4.15 | 45,475 |
| Geography by Picture - F | 0 | - | 4.31 | 50,814 |
| Geography by Picture - G | 0 | - | 4.38 | 47,776 |
| Geography by Picture - J | 0 | - | 4.16 | 38,326 |
| Geography by Picture - K | 0 | - | 4.28 | 33,004 |
| Geography by Picture - C | 0 | - | 4.31 | 56,894 |
| Geography by Picture - L | 0 | - | 4.37 | 58,735 |
| Geography by Picture - M | 0 | - | 4.14 | 40,338 |
| Geography by Picture - P | 0 | - | 4.24 | 42,291 |
| Geography by Picture - S | 0 | - | 4.38 | 46,900 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,503 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,221 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,414 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,228 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,574 |
| Longest International Borders | 0 | - | 4.99 | 263,422 |
| Countries with Three Borders | 0 | - | 4.96 | 36,149 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,574 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,625 |
