Here is the full list of all 11 Jubilee achievements worth 1,000 gamerscore.
Open the gateway to H.E.C.K.
Rescue all of the animals.
Collect and bank every gem in the game.
Reach the ending through Skylantis.
Reach the ending through H.E.C.K.
Collect all 5 secret pages.
Die 100 times.
Unlock Dax (by finding all the shrines).
Rescue none of the animals.
Die 500 times.
Die 1000 times.