Get killed by a chicken

Beat any level without getting hit once.

Get all other trophies.

Defeat 5 of each enemy species found on the Mamachi Swamp.

Defeat your first enemy.

Use a hatch to pull yourself with the hook.

Use your hook to pull an enemy.

Open your first chest.

Defeat the boss of the 2nd campaign.

Kidnap the professor and reach Sergei's B ending.

Kidnap the professor and reach Sergei's A ending.

Steal the diamond and reach Sergei's A ending.