| All Country Flags of the World | 0 | - | 5.00 | 3,662,978 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,530 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,067 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,854 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,393 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,094 |
| Flags with Crescents | 0 | - | 4.98 | 169,546 |
| Country Flag Trivia | 0 | - | 4.81 | 57,023 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,749 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,502 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,423 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,271 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,230 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,800 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,550 |
| Flags of North and South America | 0 | - | 4.99 | 373,024 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,765 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,002 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,466 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,297 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,373 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,052 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,185 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,563 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,545 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,473 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,530 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,640 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,409 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,084 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,516 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,718 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,112 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,371 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,438 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,761 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,970 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,068 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,892 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,465 |
| Flags to Languages | 0 | - | 4.95 | 173,632 |
| Former Flags | 0 | - | 4.97 | 107,718 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,944 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,459 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,957 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,257 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,729 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,152 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,538 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,430 |
| Flag Maths | 0 | - | 4.64 | 57,761 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,767 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,651 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,927 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,558 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,763 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,498 |
| World Coats of Arms | 0 | - | 4.99 | 64,497 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,762 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,420 |
| Similar Flags #1 | 0 | - | 4.75 | 130,013 |
| Similar Flags #2 | 0 | - | 4.74 | 137,295 |
| Emoji Flags | 0 | - | 4.35 | 44,089 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,623 |
| Countries by Road Signs | 0 | - | 4.98 | 53,810 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,873 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,603 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,912 |
| Select the World Flags | 0 | - | 4.27 | 37,744 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,265 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,964 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,706 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,427 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,124 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,200 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,927 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,501 |
| Countries by Picture #1 | 0 | - | 4.53 | 112,576 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,398 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,850 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,097 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,858 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,398 |
| Pixelated World Map | 0 | - | 5.00 | 143,381 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,162 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,509 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,195 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,078 |
| Flags of Oceania | 0 | - | 5.00 | 259,061 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,284 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,014 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,849 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,185 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,744 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,066 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,074 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,209 |
| Countries by Picture #2 | 0 | - | 4.37 | 71,453 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,144 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,762 |
| Geography by Picture - B | 0 | - | 4.42 | 55,601 |
| Geography by Picture - H | 0 | - | 4.50 | 58,225 |
| Geography by Picture - N | 0 | - | 4.45 | 42,202 |
| Geography by Picture - R | 0 | - | 4.56 | 41,022 |
| Geography by Picture - T | 0 | - | 4.54 | 57,840 |
| Flags of WW1 | 0 | - | 4.60 | 38,375 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| Boundary Waters | 0 | - | 4.92 | 88,457 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,159 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,069 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,426 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,456 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,400 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,445,327 |
| Landlocked Countries | 0 | - | 4.99 | 420,304 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,706 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,471 |
| Merged Countries #2 | 0 | - | 4.96 | 99,064 |
| Merged Countries #6 | 0 | - | 4.90 | 73,266 |
| Merged Countries #7 | 0 | - | 4.93 | 82,613 |
| Satellite Images #1 | 0 | - | 4.47 | 129,372 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,308 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,916 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,930 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,988 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,000 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,587 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,818 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,937 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,160 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,889 |
| World Capitals Quiz | 0 | - | 5.00 | 5,072,616 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,630 |
| Himalayan Countries | 0 | - | 4.95 | 138,029 |
| Andean Countries | 0 | - | 4.95 | 84,225 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,450 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,257 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,092 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,531 |
| Danube Countries | 0 | - | 4.97 | 71,808 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,752 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,198 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,929 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,346 |
| European Landlocked Countries | 0 | - | 4.99 | 146,944 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,341 |
| Countries with the Most Species | 0 | - | 4.99 | 103,071 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,506 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,492 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,649 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,430 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,111 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,495 |
| Countries in the Alps | 0 | - | 4.87 | 117,935 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,014 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,662 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,535 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,429 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,279 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,824 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,452 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,319 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,064 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,685 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,555 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,413 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,054 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,334 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,347 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,490 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,161 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,672 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,784 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,081 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,620 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,092 |
| Largest Countries By Category | 0 | - | 4.97 | 157,896 |
| Countries by Countries | 0 | - | 4.97 | 62,992 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,438 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,212 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,504 |
| Merged Country Flags | 0 | - | 4.88 | 106,758 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,022 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,787 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,656 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,489 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,470 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,549 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,791 |
| Geography by Picture - A | 0 | - | 4.39 | 60,254 |
| Geography by Picture - D | 0 | - | 4.15 | 45,658 |
| Geography by Picture - F | 0 | - | 4.31 | 51,005 |
| Geography by Picture - G | 0 | - | 4.38 | 47,948 |
| Geography by Picture - J | 0 | - | 4.16 | 38,465 |
| Geography by Picture - K | 0 | - | 4.29 | 33,126 |
| Geography by Picture - C | 0 | - | 4.31 | 57,072 |
| Geography by Picture - L | 0 | - | 4.37 | 58,963 |
| Geography by Picture - M | 0 | - | 4.14 | 40,460 |
| Geography by Picture - P | 0 | - | 4.24 | 42,435 |
| Geography by Picture - S | 0 | - | 4.38 | 47,039 |
