ClockworkGod

Locomotive Destroy 15 cars of your opponents in Strike Mode (career mode only).

Clambound! (Bivalvia Claustraphobius) You were trapped inside the huge clam-like thing. Curious fronds tickling you the whole time.

Thrillseeker Unlock Carnival of the Dead

Lone Champion Complete Lone Fortress on Adventure or Apocalypse difficulty.

Level-May-Care Awarded for training every single character to level 40 or above.

Hoarder Have a total of at least 250,000 points in Echoes Mode's total high score

Breach Apprentice Win your first Breach match.

The Not-So-Friendly Skies Build 100 Missile towers.

Shell-shocked Using only Cannon towers, Win any chapter 4 (or later) mission.

Impartiality Complete any level using at least 6 different members of the Super Time Force

Year 199X Completed! Complete the Post-Apocalypse time zone

The Road Traveled Fulfilled all pacts for Remorse.

Plyusch Rush Kill Plyusch

NDA Protocol Destroyed the Synthesizer.

You're Hopeless Fail to save Wilty

Baranor the Conqueror Complete the Desolation of Mordor with a Gold Rating.

I Know a Secret Find a secret room

Nun Better Awarded for obtaining the maximum number of Healstones and maximising their power.

High Voltage Build 100 Tesla towers.

Minimalist Using only level 1 towers, Win any Chapter 4 (or later) mission.

Chrysalid Poison your enemies 50 times

Deal With The Deceiver Strike a deal.

When Grell Fell Defeat General Grell

Retro-futurism Advanced to the Modern Era before the year 1960

Master Siege Breaker Survive 100 waves on any Super Grinder challenge mode.

Greenlight Protocol Powered the reactor.

I Want a Nice, Clean Game Play 5 PVP Matches

A big step towards peace You have chosen balance, but you miss some of your allies

Duel Master Win 20 Duel PvP matches.

Firebug Using only Inferno towers, Win any chapter 4 (or later) mission.

Spectrum Needler Buddy Acquired Spectrum Gatling, The Needler, and Udder Buddy.

Year 3072 Completed! Complete the Future City time zone

Noble Tourist Stay overnight at the tavern 10 times.

Little Knight Get the Sword

Rise and Shine Little One Grow into Childhood

My First Cart Ride! Take a ride in a golf cart

Yule Be Back! Played through Endless Christmas

Come Back To Me Kill a Sectoid who is currently mind controlling a squadmate

Monster Cutter Create 100 new monsters by splitting existing monsters with the killing stroke.

Tick Tock Climb the Clock Tower in 40 seconds in "Dark"

The Ostler's Daydream (Cumulus Velivolus) You saw a cloud that looks suspiciously like the skybeast from Poto and Cabenga.

Take It With You Internalise the voice of doubt.

Chasers With Extra Responsibilities Intercept a shot on your goals

Betrayal in blood You had to kill the friend who betrayed you

All That Glitters Awarded for gathering ingredients from sparkly spots 300 times.

Master Builder Use the command shuttle to move 6 map sections in Mission 6.

Discoverer Discover at least one secret area.

Say Cheese! Use photo mode in a race or studio

Took this thing on a test flight Complete Arcade mode with a custom made ship, at Veteran difficulty level

Plant Prosperity Sow 10 hectares