Here is the full list of all 10 Pang Adventures achievements worth 1,000 gamerscore.
PROTECT 10 TOTEMS
SCORE 500 000 POINTS IN THE PANIC MODE
GOBBLE DOWN MORE THAN 20000 CALORIES.
SHOOT & POP 1000 BALLS
THIS ONE'S ON US...
REVIVE YOUR BROTHER
COLLECT PERFECT STAMPS FOR ALL TOUR MODE LEVELS
FINISH THE TOUR MODE
GET 1 STAR BOMB BONUS
FINISH THE SCORE ATTACK MODE