Iron Sea Defenders achievement guide & roadmap



No missable achievements (plus 12 unknown)

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Didn't let a single enemy reach the fort throughout a level.

Worth it

Unlocked a tile for anchors on any level.

All hands on deck!

Installed all types of weapons accessible on a level.

Take your places!

Place all towers available in the episode


Completed a level with the time machine's health below 10 points.

Scorge of the enemy

Used bonuses 10 times on a single level.

Secret weapon

Used all the different types of bonuses on a level.


Collected 10,000 coins in a single level.

Old school

Completed a level without improving weaponry.

No holds barred!

Sold 10 weapons on a single level.

War master

Destroyed 20,000 enemies throughout the entire game.

The Armorer

Placed all types of weaponry accessible in the episode on a single tile.