You completed Episode 1.

Completed Chapter 6 of Episode 1

Completed Chapter 4 of Episode 1

Completed Chapter 2 of Episode 1

Knock over ten characters using a ride-able object

Defeat four enemies with one explosion

Defeat 30 enemies in a row with your side arm

Defeat ten enemies using hand-to-hand combat on the back of the convoy trucks

Find all 100 treasures

Hit three enemies with fish in the market

Defeat 50 enemies with stealth attacks

Stand on the crocodile in the Secret Library