ForgottenEnigma

Gun Master Earn a T1 Mastery Badge with any Weapon

Ringmaster Collect 20,000 Rings.

Untouchable Beat a Chapter 4 mission or higher with zero cores captured.

Tower Expert Build every tower and every upgrade for each tower.

Full House Build and fully upgrade each tower type in one mission.

No Fast Blast Use the Temporal Cannon Special Weapon (Colonel Rissler).

Kaboom! Build 100 Cannon towers.

Burn Baby Burn Build 100 Inferno towers.

Performance Enhancing Mods Unlock all of the Performance Mods (Except Legendary Mods).

Annihilator Kill 10,000 aliens.

Siege Breaker Survive 100 waves on Grinder challenge mode on any mission.

Shoot That Guy Use the Precision Targeting Special Weapon (Rear Admiral Phillips).

It didn't SEE that coming! Defeat an Illuminate Great Eye.

Pro Surfer Collect all Trophies.

Navigators Build an Exocraft

Dark Boy Beat the Depths/Necropolis without taking damage

Mama's Boy Beat the Womb/Utero without taking damage

Nadeo Space Program Reach a height of 1,2km

Has science gone too far? Get a kill using the HT-95 Levkov, XD-1 Accipiter, Rorsch Mk-1, and Schipunov 42

Mom's Knife Kill Satan with Isaac

Pew Pew Build 100 Laser towers.

Ostiophobia Defeat the son.

Spliced Complete the "Wrath of the Machine" raid.

Gun Crazy Using only Gun towers, Win any chapter 4 (or later) mission.

Clean Exit Successfully extract in Hazard Zone without anyone in the squad having died

Go To Your Home Use the Core Teleport special weapon (Professor Taylor).

Running Man Strap on some boots and go for a jog!

Great Ball of Fire Build 100 Meteor towers.

The Polaroid Beat Cathedral 5 times

Base Defender Complete the single player campaign in Story Mode.

The Path Most Traveled Win a Gold medal on mission 19 without using the Command Shuttle.

Emerald Beat the game with the Silent.

Full Potential Win a chapter 4 (or later) mission with level 3 towers only and no selling.

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

High Voltage Build 100 Tesla towers.

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

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

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

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

The Negative Beat Sheol 5 times

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

Planet Defender Earn a silver medal (or better) on all missions in the Story mode.

Head Trauma Build 100 Concussion towers.

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

Isaac's Tears Kill Isaac with Isaac

Greatest Tag-Team in History Defeat both Lightning Skeleton arenas in The Great Temple on Hard Mode, with 2 or more players (or as Javier Jaguar)

Not So Fast Build 100 Temporal towers.

Topped Off Attain maximum life and mana possible without accessories or buffs.

Chemophobia Defeat the trademarked chemical.

Alien Tears Earn a gold medal on every mission in Story mode.