 8205 | 괭이질 | USACO October 2009 Gold 2 | 15 | 211 | 7.11% |
 8207 | 메아리 | USACO October 2009 Gold 3 | 1 | 1 | 100.00% |
 8206 | 파파야 정글 | USACO October 2009 Gold 4 | 2 | 2 | 100.00% |
 8213 | 루트에서 리프까지 | USACO October 2009 Gold 5 | 5 | 5 | 100.00% |
 8214 | 밀크위드 | USACO October 2009 Gold 6 | 3 | 4 | 75.00% |
 8215 | 용돈 | USACO October 2009 Gold 7 | 2 | 2 | 100.00% |
| 3575 | 보물동굴-Treasure Cave(보물 찾기) | USACO US Open 2009 Bronze | 89 | 133 | 66.92% |
 1241 | 시간 카드 | USACO US Open 2009 Bronze | 46 | 73 | 63.01% |
| 1593 | 원금상환 | USACO 2009 March | 8 | 14 | 57.14% |
