The Night of the Hangry Horde Add-on for Overcooked! 2 has 7 achievements worth 500 gamerscore.
Survive all horde stages in Night of the Hangry Horde with full kitchen health
Get 3 stars on all Night of the Hangry Horde levels with a star rating
Get 3 stars on every level in Night of the Hangry Horde World 1
Get 3 stars on every level in Night of the Hangry Horde World 2
Get 3 stars on every level in Night of the Hangry Horde World 3
Burn 300 buckets of coal in the furnace
Chop 500 ingredients using the guillotine