Spend 500,000 rupees total at Trading Posts (Campaign only).

Liberate any Outpost without triggering an alarm in any mode (Campaign only).

Craft 5 upgrades for your equipment (Campaign only).

Beat the Basement/Cellar without taking damage

Collect 2 of either Roid Rage, The Virus, Growth Hormones, Experimental Treatment, or Speed Ball

Have 7 or more max red hearts at one time

Hold 55 or more pennies at one time

Finish Left Behind on Easy

Complete the game on Easy

Craft every item

Post a time on another player's created track

Complete a Strike without anyone in your fireteam dying.