Defeat 4 enemies with the same explosion (all explosive items and weapons apply)

Defeat 10 enemies in 60 seconds with the China Lake Grenade Launcher

Complete the game in explorer mode

Complete the game in moderate mode

Complete game with 70% or higher shot accuracy

Listen to all optional conversations in game

Find the Strange Relics

Find all Journal Entries

Defeat 100 enemies in a row without dying in combat

Defeat 50 enemies from-the-hip or blind-firing

Get three dolphins to follow the boat

Just prior to City Chase, stand perfectly still for 30 seconds (stage demo fail)

Find 50 treasures