| All Country Flags of the World | 0 | - | 5.00 | 3,653,651 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,505 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,056 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,875 |
| Flags with Crescents | 0 | - | 4.98 | 169,252 |
| Country Flag Trivia | 0 | - | 4.81 | 56,876 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,547 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,322 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,173 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,160 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,682 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,422 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,677 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,182 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,106 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,102 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,800 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,896 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,393 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,366 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,283 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,390 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,496 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,261 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,960 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,410 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,656 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,039 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,279 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,321 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,628 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,847 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,948 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,748 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,385 |
| Flags of North and South America | 0 | - | 4.99 | 372,347 |
| Flags to Languages | 0 | - | 4.95 | 173,489 |
| Former Flags | 0 | - | 4.97 | 107,571 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,889 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,450 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,349 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,910 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,083 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,628 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,066 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,376 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,394 |
| Flag Maths | 0 | - | 4.64 | 57,751 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,401 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,398 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,760 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,693 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,459 |
| World Coats of Arms | 0 | - | 4.99 | 64,388 |
| Similar Flags #1 | 0 | - | 4.75 | 129,870 |
| Similar Flags #2 | 0 | - | 4.74 | 137,167 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,382 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,628 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,171 |
| Emoji Flags | 0 | - | 4.35 | 44,040 |
| Countries by Road Signs | 0 | - | 4.98 | 53,699 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,488 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,230 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,512 |
| Select the World Flags | 0 | - | 4.27 | 37,689 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,851 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,858 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,334 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,020 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,119 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,884 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,442 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,344 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,334 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,755 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,562 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,455 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,280 |
| Pixelated World Map | 0 | - | 5.00 | 143,231 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,960 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,997 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,377 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,171 |
| Boundary Waters | 0 | - | 4.92 | 88,403 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,107 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,969 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,258 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,380 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,307 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,947 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,039 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,312 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,029 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,393 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,096 |
| Geography by Picture - B | 0 | - | 4.42 | 55,579 |
| Geography by Picture - H | 0 | - | 4.50 | 58,198 |
| Geography by Picture - N | 0 | - | 4.45 | 42,182 |
| Geography by Picture - R | 0 | - | 4.56 | 41,004 |
| Geography by Picture - T | 0 | - | 4.54 | 57,816 |
| Flags of Oceania | 0 | - | 5.00 | 258,501 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,060 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,937 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,733 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,063 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,596 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,368,000 |
| Flags of WW1 | 0 | - | 4.60 | 38,324 |
| Landlocked Countries | 0 | - | 4.99 | 419,407 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 569,216 |
| Satellite Images #1 | 0 | - | 4.47 | 129,319 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,263 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,878 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,883 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,955 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,905 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,813 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,526 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,696 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,757 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,990 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,453 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,186 |
| Himalayan Countries | 0 | - | 4.95 | 137,621 |
| Andean Countries | 0 | - | 4.95 | 84,040 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,295 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,782 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,905 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,406 |
| Danube Countries | 0 | - | 4.97 | 71,711 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,625 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,109 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,730 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,806 |
| European Landlocked Countries | 0 | - | 4.99 | 146,820 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,199 |
| Countries with the Most Species | 0 | - | 4.99 | 102,969 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,346 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,441 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,606 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,342 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,016 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,407 |
| Countries in the Alps | 0 | - | 4.87 | 117,763 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,190 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,466 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,452 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,049 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,157 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,750 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,343 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,237 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,997 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,597 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,510 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,361 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,966 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,229 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,253 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,280 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,092 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,595 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,611 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,577 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,347 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,023 |
| Largest Countries By Category | 0 | - | 4.97 | 157,727 |
| Countries by Countries | 0 | - | 4.96 | 62,888 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,274 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,479 |
| Merged Country Flags | 0 | - | 4.88 | 106,648 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,690 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,691 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,565 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,374 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,759,715 |
| Merged Countries #2 | 0 | - | 4.96 | 98,957 |
| Merged Countries #6 | 0 | - | 4.90 | 73,171 |
| Merged Countries #7 | 0 | - | 4.93 | 82,515 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,431 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,762 |
| Geography by Picture - A | 0 | - | 4.39 | 60,220 |
| Geography by Picture - D | 0 | - | 4.15 | 45,638 |
| Geography by Picture - F | 0 | - | 4.31 | 50,973 |
| Geography by Picture - G | 0 | - | 4.38 | 47,927 |
| Geography by Picture - J | 0 | - | 4.16 | 38,448 |
| Geography by Picture - K | 0 | - | 4.29 | 33,112 |
| Geography by Picture - C | 0 | - | 4.31 | 57,049 |
| Geography by Picture - L | 0 | - | 4.37 | 58,926 |
| Geography by Picture - M | 0 | - | 4.14 | 40,438 |
| Geography by Picture - P | 0 | - | 4.24 | 42,414 |
| Geography by Picture - S | 0 | - | 4.38 | 47,027 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,263 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,401 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,764 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,217 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,102 |
| Longest International Borders | 0 | - | 4.99 | 264,732 |
| Countries with Three Borders | 0 | - | 4.96 | 36,473 |
