Full list of all 50 Gleaner Heights achievements worth 1,000 gamerscore.
The base game contains 49 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 1 achievements worth 0 Gamerscore.
Ship 100 crops
Ship 500 crops
Ship 1000 crops
Murder Lee
Witness Lee abusing Matilda
Overpower Lee
Defeat the Last Smuggler
Defeat the Automaton Knight
Defeat the Slime Lord
Defeat the Mole King
Defeat Evil Denny
Defeat Evil Agent
Defeat yourself
Defeat the dream that dreams us
Win the animal contest
Win the chicken contest
Make a perfect score at the archery contest
Win the horse race
Win the cooking contest
Catch 20 fish
Catch 60 fish
Catch 150 fish
Reach max level for any skill
Upgade any tool with Octotinium
Get married
Make Otto commit suicide
Bring a mushroom to Lee
Murder Tobias
Save Tobias
Side with Kain
Side with Lazarus
Give the photos to Otto
Give photos back to Joshua
Witness James' and Bernadette's affair
Help Garry and Regina pay their debt
Upgrade your barn
Upgrade your chicken coop
Have a greenhouse built
Upgrade your house
Fully upgrade your house
Ship 100 animal products
Ship 500 animal products
Ship 1000 animal products
Cook every possible food
Build all machines
Complete all town upgrades
Witness Alice drunk
Get inside the Villa
Discover Hermaeus Faradouchi's resting place
Divorce a spouse