EDIT: This is a glitch-discussion thread now!

The bugs currently labeled as glitch can now be found under the Game rules. These glitches are just allowed in Any% runs

Original post:

considered as a glitch:

• warehouse-destruction: The bug that allows you to upgrade an enemy warehouse to instantly destroy their island.

• warehouse-conquest: The bug that allows you to place a warehouse using enemy resources.

• save-load-enemy-control: The bug that allows you to use save-loads to take control of enemy players.

• goldsheep: The bug that allows you to turn brought materials into another one by replacing the building.

• crop-hold: The bug that allows you to plant and harvest any crop on any island.

• path-hold: The bug that allows you to infinitely harvest any crop for an indefinite amount of time.

• Battleship: The bug that allows you to build battleships in a small shipyard

• save-load disaster avoidance: The bug that allows you to remove fires and plague outbreaks by saving and loading.

not considered as a glitch:

• The trick that allows you to sink any ship by timing your white flag-/ and attack-pattern.

• The trick that allows you to hide your ships in bay-areas.

• The trick that allows you to sink a ship by continuously clicking on the target.

Source: