Successfully complete one of the following tasks to get a trophy:

You've Gone Platinum (Platinum) Complete all Death Mode and Beat School levels.
Campaign Complete (Gold): Complete all Campaign levels.
Death Mode: Hills n' Spills (Silver): Complete the Death Mode level.
Death Mode: Sparkle Darkle (Silver): Complete the Death Mode level.
Death Mode: Sneak n' Deke (Silver): Complete the Death Mode level.
Death Mode: Rowdy Cloudy (Silver): Complete the Death Mode level.
Death Mode: Thermogenica #1 (Silver): Complete the Death Mode level.
Death Mode: Thermogenica #2 (Silver): Complete the Death Mode level.
Death Mode: Mechanica (Silver): Complete the Death Mode level.
Death Mode: Aquatica (Silver): Complete the Death Mode level.
Death Mode: Extraterrestria (Silver): Complete the Death Mode level.
Death Mode: Disasteroids (Silver): Complete the Death Mode level.
Death Mode: Galaxanoids (Silver): Complete the Death Mode level.
Death Mode: Invaderoids (Silver): Complete the Death Mode level.
Death Mode: Break-a-noids (Silver): Complete the Death Mode level.
Death Mode: Purgatory #1 (Silver): Complete the Death Mode level.
Death Mode: Purgatory #2 (Silver): Complete the Death Mode level.
Death Mode: Event Horizon #1 (Silver): Complete the Death Mode level.
Death Mode: Event Horizon #2 (Silver): Complete the Death Mode level.
Death Mode: Cities (Silver): Complete the Death Mode level.
Death Mode: Touch The People (Silver): Complete the Death Mode level.
Death Mode: Spiral Staircase (Silver): Complete the Death Mode level.
Beat School: Straight Up (Silver): Complete the Beat School level.
Beat School: Tiny Groove (Silver): Complete the Beat School level.
Beat School: Hi-Hat Spice (not very spicy) (Silver): Complete the Beat School level.
Beat School: Lullaby (Silver): Complete the Beat School level.
Beat School: Chord Tweak (Silver): Complete the Beat School level.
Beat School: Chordaby (Silver): Complete the Beat School level.
Beat School: A Rolling Frolic (Silver): Complete the Beat School level.
Beat School: It's Getting Tense In Here (Silver): Complete the Beat School level.
Beat School: Uh Oh (Silver): Complete the Beat School level.
Beat School: Roll The Bass Dice (Silver): Complete the Beat School level.
Beat School: Cuts, Scrapes and Scratches (Silver): Complete the Beat School level.
Beat School: Muting Technique (Silver): Complete the Beat School level.

The following trophies require the "8-Bit Sound Pack" bonus downloadable content:

Beat School: 8-Bit Melody (Silver): Complete the Beat School level.
Beat School: Danger! Danger! (Silver): Complete the Beat School level.
Beat School: Bass Boss (Silver): Complete the Beat School level.
Beat School: Underworld (Silver): Complete the Beat School level.
Beat School: Insert Coin (Silver): Complete the Beat School level.

The following trophies require the "80's Sound Pack" bonus downloadable content:

Beat School: Big Hair Beat (Silver): Complete the Beat School level.
Beat School: Shoulder Pads (Silver): Complete the Beat School level.
Beat School: Driving the Autobahn (Silver): Complete the Beat School level.
Beat School: Fast Times (Silver): Complete the Beat School level.
Beat School: Hollywood Cop (Silver): Complete the Beat School level.

The following trophies require the "Acoustic Sound Pack" bonus downloadable content:

Beat School: Guitar Serenity 1 (Silver): Complete the Beat School level.
Beat School: Guitar Serenity 2 (Silver): Complete the Beat School level.
Beat School Kalimba Magic (Silver): Complete the Beat School level.
Beat School: Piano? PiaYES! (Silver): Complete the Beat School level.
Beat School: Harmony Helper (Silver): Complete the Beat School level.

The following trophies require the "Do You Wheelie Want To Hurt Me?" bonus downloadable content:

Beat School: Synth Madness 1 (Silver): Complete the Beat School level.
Beat School: Synth Madness 2 (Silver): Complete the Beat School level.
Beat School: Badd Syntax (Silver): Complete the Beat School level.
Beat School: Pedal to the Metal (Silver): Complete the Beat School level.
Beat School: Axe Grinder (Silver): Complete the Beat School level.

The following trophies require the "Drum Kits Sound Pack" bonus downloadable content:

Beat School: Basic Rock Beat (Silver): Complete the Beat School level.
Beat School: Groovology 101 (Silver): Complete the Beat School level.
Beat School: Lazy Day Beat (Silver): Complete the Beat School level.
Beat School: Robot Invasion (Silver): Complete the Beat School level.
Beat School: In The Club (Silver): Complete the Beat School level.

The following trophies require the "Dubstep Sound Pack" bonus downloadable content:

Beat School: Dubstep Drum Practice (Silver): Complete the Beat School level.
Beat School: Synth Grime (Silver): Complete the Beat School level.
Beat School: Filthy Bass Monster (Silver): Complete the Beat School level.
Beat School: Half-Time Drum Loops (Silver): Complete the Beat School level.
Beat School: All You Need is Wub (Silver): Complete the Beat School level.