Here is the full list of all 17 Instant Sports Plus achievements worth 1,000 gamerscore.
You catch 5 insects
Play every sport
Unlock all areas
Complete the 3 challenges
Catch 50 insects
Catch 100 insects
Catch every type of insect varieties
Catch 5 fish
Catch 50 fish
Catch 100 fish
Catch every type of fish
Dig up 5 minerals
Dig up 50 minerals
Dig up 100 minerals
Dig up all kinds of minerals
Find the 12 treasures
Find 500 collectibles