| All Country Flags of the World | 0 | - | 5.00 | 3,642,134 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,431 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,021 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,180 |
| Flags with Crescents | 0 | - | 4.98 | 168,865 |
| Country Flag Trivia | 0 | - | 4.81 | 56,660 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,288 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,139 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,887 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,023 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,539 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,148 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,436 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,946 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,970 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,867 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,558 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,646 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,240 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,219 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,099 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,262 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,348 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,115 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,815 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,277 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,583 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,964 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,160 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,192 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,493 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,716 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,813 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,310 |
| Flags of North and South America | 0 | - | 4.99 | 371,384 |
| Flags to Languages | 0 | - | 4.95 | 173,269 |
| Former Flags | 0 | - | 4.97 | 107,383 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,827 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,336 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,239 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,591 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,870 |
| 20 Random Country Flags | 0 | - | 4.99 | 609,558 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,493 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,977 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,184 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,201 |
| Flag Maths | 0 | - | 4.64 | 57,736 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,153 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,301 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,683 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,626 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,422 |
| World Coats of Arms | 0 | - | 4.99 | 64,263 |
| Similar Flags #1 | 0 | - | 4.74 | 129,686 |
| Similar Flags #2 | 0 | - | 4.74 | 136,994 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,165 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,452 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,869 |
| Emoji Flags | 0 | - | 4.35 | 43,984 |
| Countries by Road Signs | 0 | - | 4.98 | 53,572 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,385 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,168 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 24,066 |
| Select the World Flags | 0 | - | 4.27 | 37,633 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,696 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,794 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,262 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,931 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,045 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,835 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,397 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,763 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,194 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,654 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,396 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,292 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,670 |
| Pixelated World Map | 0 | - | 5.00 | 143,061 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,375 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,886 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,216 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,116 |
| Boundary Waters | 0 | - | 4.92 | 88,337 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,048 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,818 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,053 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,280 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,199 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,792 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,012 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,200 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,822 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,289 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,016 |
| Geography by Picture - B | 0 | - | 4.42 | 55,538 |
| Geography by Picture - H | 0 | - | 4.50 | 58,166 |
| Geography by Picture - N | 0 | - | 4.45 | 42,150 |
| Geography by Picture - R | 0 | - | 4.56 | 40,968 |
| Geography by Picture - T | 0 | - | 4.54 | 57,784 |
| Flags of Oceania | 0 | - | 5.00 | 257,758 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,779 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,823 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,573 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,939 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,411 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,270,433 |
| Flags of WW1 | 0 | - | 4.60 | 38,253 |
| Landlocked Countries | 0 | - | 4.99 | 418,030 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 565,720 |
| Satellite Images #1 | 0 | - | 4.46 | 129,254 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,210 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,830 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,830 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,915 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,778 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,801 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,462 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,528 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,541 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,767 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,695 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,542 |
| Himalayan Countries | 0 | - | 4.94 | 137,032 |
| Andean Countries | 0 | - | 4.95 | 83,734 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,981 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,353 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,656 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,228 |
| Danube Countries | 0 | - | 4.97 | 71,565 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,414 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,975 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,484 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,535 |
| European Landlocked Countries | 0 | - | 4.99 | 146,671 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,999 |
| Countries with the Most Species | 0 | - | 4.99 | 102,733 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,133 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,388 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,554 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,249 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,918 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,300 |
| Countries in the Alps | 0 | - | 4.87 | 117,547 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,039 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,191 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,356 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,889 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,995 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,384 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,163 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,110 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,915 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,476 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,433 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,294 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,851 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,121 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,144 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,996 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,994 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,519 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,404 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,873 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,000 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,928 |
| Largest Countries By Category | 0 | - | 4.97 | 157,500 |
| Countries by Countries | 0 | - | 4.96 | 62,756 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,073 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,131 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,450 |
| Merged Country Flags | 0 | - | 4.88 | 106,495 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,217 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.97 | 98,564 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,449 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,241 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,751,038 |
| Merged Countries #2 | 0 | - | 4.96 | 98,841 |
| Merged Countries #6 | 0 | - | 4.90 | 73,071 |
| Merged Countries #7 | 0 | - | 4.93 | 82,380 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,288 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,709 |
| Geography by Picture - A | 0 | - | 4.39 | 60,178 |
| Geography by Picture - D | 0 | - | 4.15 | 45,595 |
| Geography by Picture - F | 0 | - | 4.31 | 50,929 |
| Geography by Picture - G | 0 | - | 4.38 | 47,899 |
| Geography by Picture - J | 0 | - | 4.16 | 38,414 |
| Geography by Picture - K | 0 | - | 4.29 | 33,083 |
| Geography by Picture - C | 0 | - | 4.31 | 57,018 |
| Geography by Picture - L | 0 | - | 4.37 | 58,884 |
| Geography by Picture - M | 0 | - | 4.14 | 40,409 |
| Geography by Picture - P | 0 | - | 4.24 | 42,386 |
| Geography by Picture - S | 0 | - | 4.38 | 46,997 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,155 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,373 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,685 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,881 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,012 |
| Longest International Borders | 0 | - | 4.99 | 264,529 |
| Countries with Three Borders | 0 | - | 4.96 | 36,411 |
