| All Country Flags of the World | 0 | - | 5.00 | 3,661,050 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,749 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,684 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,282 |
| Flags with Crescents | 0 | - | 4.98 | 169,477 |
| Country Flag Trivia | 0 | - | 4.81 | 56,992 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,700 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,470 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,365 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,252 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,772 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,623 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,876 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,374 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,210 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,272 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,977 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,085 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,508 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,473 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,418 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,490 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,593 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,372 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,053 |
| 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 | 47,340 |
| 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 | 65,938 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,037 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,857 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,446 |
| Flags of North and South America | 0 | - | 4.99 | 372,876 |
| Flags to Languages | 0 | - | 4.95 | 173,607 |
| Former Flags | 0 | - | 4.97 | 107,685 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,931 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,516 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,426 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,942 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,995 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,703 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,129 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,500 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,521 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,579 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,505 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,815 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,743 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,486 |
| World Coats of Arms | 0 | - | 4.99 | 64,475 |
| Similar Flags #1 | 0 | - | 4.75 | 129,989 |
| Similar Flags #2 | 0 | - | 4.74 | 137,273 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,526 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,723 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,354 |
| 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 | 59,251 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,783 |
| 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 | 71,392 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,088 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,173 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,908 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,476 |
| Countries by Picture #1 | 0 | - | 4.53 | 103,391 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,675 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,809 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,682 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,396 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,185 |
| Pixelated World Map | 0 | - | 5.00 | 143,350 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,906 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,073 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,476 |
| 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 | 35,142 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,050 |
| 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 | 70,378 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,039 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,066 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,606 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,483 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,632 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,314 |
| 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 | 42,200 |
| Geography by Picture - R | 0 | - | 4.56 | 41,019 |
| Geography by Picture - T | 0 | - | 4.54 | 57,836 |
| Flags of Oceania | 0 | - | 5.00 | 258,914 |
| 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 | 99,831 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,159 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,708 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,429,201 |
| Flags of WW1 | 0 | - | 4.60 | 38,366 |
| Landlocked Countries | 0 | - | 4.99 | 420,083 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,228 |
| Satellite Images #1 | 0 | - | 4.47 | 129,361 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,298 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,905 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,916 |
| 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 | 95,788 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,896 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,108 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,364 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,512 |
| Himalayan Countries | 0 | - | 4.95 | 137,924 |
| Andean Countries | 0 | - | 4.95 | 84,182 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,397 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,017 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,047 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,494 |
| Danube Countries | 0 | - | 4.97 | 71,781 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,722 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,175 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,880 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,030 |
| European Landlocked Countries | 0 | - | 4.99 | 146,918 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,307 |
| Countries with the Most Species | 0 | - | 4.99 | 103,054 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,461 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,473 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,640 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,408 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,089 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,480 |
| Countries in the Alps | 0 | - | 4.87 | 117,905 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,113 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,621 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,515 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,401 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,254 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,807 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,414 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,297 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,046 |
| 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 | 79,318 |
| 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 | 59,654 |
| 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 | 242,966 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,551 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,073 |
| Largest Countries By Category | 0 | - | 4.97 | 157,852 |
| Countries by Countries | 0 | - | 4.97 | 62,964 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,399 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,196 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,498 |
| Merged Country Flags | 0 | - | 4.88 | 106,732 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,944 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,766 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,620 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,459 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,966 |
| Merged Countries #2 | 0 | - | 4.96 | 99,039 |
| Merged Countries #6 | 0 | - | 4.90 | 73,240 |
| Merged Countries #7 | 0 | - | 4.93 | 82,594 |
| 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 | 38,461 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,066 |
| Geography by Picture - L | 0 | - | 4.37 | 58,954 |
| Geography by Picture - M | 0 | - | 4.14 | 40,456 |
| Geography by Picture - P | 0 | - | 4.24 | 42,434 |
| Geography by Picture - S | 0 | - | 4.38 | 47,037 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,325 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,432 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,814 |
| 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 |
