Here is the full list of all 14 Snooker Nation Championship achievements worth 1,000 gamerscore.
Won Championship Qualifying Round
Got a Snooker Break of 147
Got a Snooker Break of 100
Got a Snooker Break of 75
Got a Snooker Break of 50
Got a Snooker Break of 25
Win Online Match
Win Online Match for Cash
Win a Versus Match
Win Championship First Round
Win Championship Quarter Final
Win Championship Semi Final
Win Championship Final