| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,152 |
| 20 Random Country Flags | 0 | - | 4.99 | 609,335 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,116 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,422 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,919 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,954 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,838 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,543 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,630 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,220 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,210 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,081 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,250 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,338 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,099 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,801 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,266 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,574 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,953 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,178 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,484 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,702 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,801 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,301 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,825 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,227 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,943 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,560 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,579 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,868 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,287,529 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,487 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,969 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,004 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,532 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,706 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,222 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 906,064 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,076 |
| Every Country Shape | 0 | - | 5.00 | 462,965 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,544,444 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,230 |
| Flags of North and South America | 0 | - | 4.99 | 371,323 |
| Former Flags | 0 | - | 4.97 | 107,371 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,252 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,234 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,634 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,805 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,413 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,102 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,746 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 35,883 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,159 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,194 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,861 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,998 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,412 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,959 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,483 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,014 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,520 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 59,325 |
| Random Country Shape to Country | 0 | - | 4.90 | 112,592 |
| A Square of Merged Countries #2 | 0 | - | 4.97 | 41,325 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,438 |
| Flags of Oceania | 0 | - | 5.00 | 257,681 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,752 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 86,126 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 520,831 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 183,429 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 184,020 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 336,201 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,838 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,553 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,417 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,083 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,714,105 |
| Similar Flags #1 | 0 | - | 4.74 | 129,660 |
| Similar Flags #2 | 0 | - | 4.74 | 136,965 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,163 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,832 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,093 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,120 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,279 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,886 |
| Countries by Road Signs | 0 | - | 4.98 | 53,558 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,166 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 30,050 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 125,924 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 126,151 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,045 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,737 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 75,283 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,246 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,066 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,882 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.87 | 53,203 |
| Merged Countries #2 | 0 | - | 4.96 | 98,831 |
| Merged Countries #6 | 0 | - | 4.90 | 73,063 |
| Merged Countries #7 | 0 | - | 4.93 | 82,366 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,144 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,259,724 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,118 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,711 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,363 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,843 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,133 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,291 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,676 |
| Pixelated World Map | 0 | - | 5.00 | 143,048 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,621 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,419 |
| World Coats of Arms | 0 | - | 4.99 | 64,254 |
| Landlocked Countries | 0 | - | 4.99 | 417,906 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 565,412 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,750,037 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,056 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,902 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,313 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,567 |
| Island Countries | 0 | - | 4.99 | 709,327 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,489 |
| Himalayan Countries | 0 | - | 4.94 | 136,989 |
| Andean Countries | 0 | - | 4.95 | 83,718 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,961 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,317 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,637 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,210 |
| Danube Countries | 0 | - | 4.97 | 71,551 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,390 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,962 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,450 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,508 |
| European Landlocked Countries | 0 | - | 4.99 | 146,561 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,978 |
| Countries with the Most Species | 0 | - | 4.99 | 102,685 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,110 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,384 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,553 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,241 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,903 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,290 |
| Countries in the Alps | 0 | - | 4.86 | 117,532 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,027 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,169 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,349 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,873 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,979 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,376 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,146 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,099 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,902 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,467 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,428 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,284 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,841 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,109 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,132 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,981 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,987 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,511 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,392 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,785 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,963 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,919 |
| Largest Countries By Category | 0 | - | 4.97 | 157,472 |
| Countries by Countries | 0 | - | 4.96 | 62,745 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,416 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,062 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,126 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,448 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,163 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,547 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,225 |
| Every American Country by Shape | 0 | - | 4.79 | 37,175 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,910 |
| Northernmost Countries | 0 | - | 4.99 | 360,008 |
| Countries of South America | 0 | - | 5.00 | 921,567 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,349 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,863,149 |
| "Land" Countries | 0 | - | 4.98 | 335,525 |
| Africa Map with Random Merged Countries | 0 | - | 4.95 | 73,239 |
| Cross Flags of Europe | 0 | - | 4.43 | 298,130 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,661 |
| Pixelated Country Shapes #1 | 0 | - | 4.74 | 72,300 |
| Pixelated Country Shapes #2 | 0 | - | 4.75 | 67,555 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 94,557 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.89 | 72,612 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 71,567 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 69,526 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 61,648 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 58,723 |
| Country Flag-Shape Picture Quiz #8 | 0 | - | 4.98 | 57,002 |
| Name a Country A-Z | 0 | - | 5.00 | 242,289 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,531 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 157,746 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 83,438 |
| Flags of the Middle East | 0 | - | 4.69 | 62,518 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,848 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,357 |