| Former Countries by Territory Map | 0 | - | 4.96 | 102,007 |
| Empires by Maps | 0 | - | 4.98 | 119,121 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,084 |
| Name that Object #1 | 0 | - | 3.56 | 96,349 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,248 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,205 |
| All Country Flags of the World | 0 | - | 5.00 | 3,622,680 |
| Years in History by Picture | 0 | - | 4.44 | 35,259 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,454 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,091 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,190 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,950 |
| Old Movies by Picture | 0 | - | 4.51 | 24,920 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,794 |
| Name that Object #2 | 0 | - | 3.64 | 15,355 |
| Name that Object #3 | 0 | - | 3.93 | 14,326 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,059 |
| Flags with Crescents | 0 | - | 4.98 | 168,189 |
| Country Flag Trivia | 0 | - | 4.81 | 56,244 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,808 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,765 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,353 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,723 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,628 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,298 |
| Random Logos Quiz | 0 | - | 4.31 | 207,498 |
| National Football Team Logos | 0 | - | 4.85 | 179,337 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,228 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,833 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,716 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,405 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,624 |
| Fruits by Picture | 0 | - | 4.20 | 805,560 |
| Geography by Picture - B | 0 | - | 4.42 | 55,480 |
| Geography by Picture - H | 0 | - | 4.50 | 58,097 |
| Geography by Picture - N | 0 | - | 4.45 | 42,095 |
| Geography by Picture - R | 0 | - | 4.56 | 40,922 |
| Geography by Picture - T | 0 | - | 4.54 | 57,732 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,925 |
| Flags to Languages | 0 | - | 4.95 | 172,888 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,352 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,999 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,409 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,889 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,356 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,169 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,654 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,990 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,251 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,383 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,927 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,683 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,551 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,180 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,268 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 534,764 |
| Name that Bug | 0 | - | 4.12 | 45,492 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,233 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,731 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,496 |
| Elements by Picture | 0 | - | 4.28 | 69,693 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,215 |
| Islands by Picture | 0 | - | 4.29 | 106,264 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,136 |
| Geography by Picture - A | 0 | - | 4.39 | 60,112 |
| Geography by Picture - D | 0 | - | 4.15 | 45,546 |
| Geography by Picture - F | 0 | - | 4.31 | 50,879 |
| Geography by Picture - G | 0 | - | 4.38 | 47,851 |
| Geography by Picture - J | 0 | - | 4.16 | 38,371 |
| Geography by Picture - K | 0 | - | 4.29 | 33,045 |
| Geography by Picture - C | 0 | - | 4.31 | 56,975 |
| Geography by Picture - L | 0 | - | 4.37 | 58,829 |
| Geography by Picture - M | 0 | - | 4.14 | 40,372 |
| Geography by Picture - P | 0 | - | 4.24 | 42,342 |
| Geography by Picture - S | 0 | - | 4.38 | 46,956 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,141 |
| Movie Logos | 0 | - | 4.33 | 236,777 |
| History by Picture - A | 0 | - | 4.25 | 45,600 |
| History by Picture - B | 0 | - | 4.40 | 48,730 |
| History by Picture - C | 0 | - | 4.36 | 54,243 |
| History by Picture - F | 0 | - | 4.35 | 37,715 |
| History by Picture - G | 0 | - | 4.40 | 41,973 |
| History by Picture - D | 0 | - | 4.29 | 44,132 |
| History by Picture - E | 0 | - | 4.27 | 43,755 |
| History by Picture - H | 0 | - | 4.37 | 36,650 |
| History by Picture - K | 0 | - | 4.35 | 33,209 |
| History by Picture - M | 0 | - | 4.17 | 36,011 |
| History by Picture - N | 0 | - | 4.40 | 41,097 |
| History by Picture - O | 0 | - | 4.39 | 36,154 |
| History by Picture - T | 0 | - | 4.20 | 33,188 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,536 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,141 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,239 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,390 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,032 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,362 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,046 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,852 |
| International Footballers by Picture | 0 | - | 4.50 | 55,055 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,420 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,042 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,519 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,111 |
| Flag Maths | 0 | - | 4.69 | 57,698 |
| Satellite Images #1 | 0 | - | 4.46 | 129,142 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,104 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,747 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,745 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,867 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,649 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,584 |
| Soccer Team Logos | 0 | - | 4.26 | 372,192 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,685 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,288 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,135 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,661 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,992 |
| Foods by Picture | 0 | - | 3.81 | 225,698 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,139 |
| Christmas by Picture | 0 | - | 4.25 | 28,120 |
| Hats by Picture | 0 | - | 4.21 | 17,920 |
| Weapons by Picture | 0 | - | 4.13 | 20,955 |
| Cars by Picture | 0 | - | 3.89 | 41,220 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,250 |
| Plants by Picture | 0 | - | 4.24 | 14,380 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,103 |
| Women in History by Picture | 0 | - | 4.25 | 25,810 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,698 |
| Geography by Picture - E | 0 | - | 3.55 | 47,308 |
| Landforms by Picture | 0 | - | 4.31 | 20,605 |
| Geography by Picture - I | 0 | - | 4.00 | 39,345 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,851 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,353 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,072 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,576 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,337 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,844 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,045 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,890 |
| History by Picture - I | 0 | - | 4.26 | 26,099 |
| History by Picture - J | 0 | - | 4.18 | 26,609 |
| History by Picture - L | 0 | - | 4.18 | 30,646 |
| History by Picture - P | 0 | - | 4.08 | 25,196 |
| History by Picture - Q | 0 | - | 4.03 | 21,984 |
| History by Picture - R | 0 | - | 4.13 | 26,732 |
| History by Picture - S | 0 | - | 4.14 | 27,678 |
| History by Picture - U | 0 | - | 4.24 | 25,010 |
| History by Picture - V | 0 | - | 4.30 | 24,987 |
| History by Picture - W | 0 | - | 4.01 | 21,547 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,678 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,921 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,295 |
| Flowers by Picture | 0 | - | 4.46 | 105,107 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,604 |
| Authors by Picture | 0 | - | 4.48 | 25,448 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,747 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,352 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,399 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,577 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,593 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,264 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,105 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,894 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,998 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,318 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,013 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,648 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,155 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,231 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,009 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,414 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,140 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,095 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,834 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,999 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,450 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,475 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,799 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,725 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,687 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,338 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,556 |
| Emoji Flags | 0 | - | 4.35 | 43,901 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,452 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,299 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,960 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,312 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,713 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,521 |
| Airline Logos | 0 | - | 4.45 | 140,191 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,409,327 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,435 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,249 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,049 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,519 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,005 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,549 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,253 |
| Vegetables by Picture | 0 | - | 4.39 | 63,045 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 52,016 |
