Source code here 

Game controls and mechanics:

Camera: 

• WASD keys for forward and sideways
• space and shift for up and down
• middle mouse to pivot camera
• hold alt to speed up the camera

Interaction:

• Select: left mouse
• Deselect: right mouse

You can select buildings and fish. When selecting a fish you can move them by clicking where they have to go.

If it seems like you can't press something you might still have a fish selected, press deselect to check.

Buildings:

• House: Can buy citizens using food
• Farm: Generates food
• Lodge: Generate wood
• Builder: Allows for building additional buildings using wood
• Fort: Makes soldiers ready to conquer the corals

Jobs:

You assign jobs by clicking on the fish and then on the building to work, to remove the job click on the house when fish selected.

• Farmer: Get food at farm gives it to house
• Woodcutter:  Cuts trees brings to lodge
• Builder: Gets logs at lodge and builds construction sites
• Soldier: Attacks enemies when in close range

Note:

End game is kind of open, even if all enemies are defeated.

Source code here 

Game controls and mechanics:

Camera: 

• WASD keys for forward and sideways
• space and shift for up and down
• middle mouse to pivot camera
• hold alt to speed up the camera

Interaction:

• Select: left mouse
• Deselect: right mouse

You can select buildings and fish. When selecting a fish you can move them by clicking where they have to go.

If it seems like you can't press something you might still have a fish selected, press deselect to check.

Buildings:

• House: Can buy citizens using food
• Farm: Generates food
• Lodge: Generate wood
• Builder: Allows for building additional buildings using wood
• Fort: Makes soldiers ready to conquer the corals

Jobs:

You assign jobs by clicking on the fish and then on the building to work, to remove the job click on the house when fish selected.

• Farmer: Get food at farm gives it to house
• Woodcutter:  Cuts trees brings to lodge
• Builder: Gets logs at lodge and builds construction sites
• Soldier: Attacks enemies when in close range

Note:

End game is kind of open, even if all enemies are defeated.