| Korean Problem Academy 2 | 25 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 5 | 956 | 18 | |
| Korean Problem Academy 2 | 24 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 6 | 963 | 15 | |
| Korean Problem Academy 2 | 23 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 0 | 979 | 8 | |
| Korean Problem Academy 2 | 22 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 0 | 969 | 10 | |
| Korean Problem Academy 2 | 21 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 5 | 957 | 10 | |
| Korean Problem Academy 2 | 20 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 1 | 988 | 20 | |
| Korean Problem Academy 2 | 19 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 0 | 977 | 15 | |
| Korean Problem Academy 2 | 18 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 1 | 962 | 13 | |
| Korean Problem Academy 2 | 17 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 0 | 960 | 11 | |
| Korean Problem Academy 2 | 16 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 4 | 948 | 20 | |
| Korean Problem Academy 2 | 15 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 0 | 947 | 9 | |
| Korean Problem Academy 2 | 14 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 0 | 936 | 15 | |
| Korean Problem Academy 2 | 13 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 1 | 920 | 18 | |
| Korean Problem Academy 2 | 12 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 0 | 909 | 5 | |
| Korean Problem Academy 2 | 11 - - Solved You got it right. It gives no more XP and becomes available for Review after one week. | ✓ | 1 | 900 | 10 | |
