Forward March
Not unlocked yetComplete the tutorial and beat the first stage
Moving On Up
Not unlocked yetPurchase your first segment upgrade
Crappy Bird
Not unlocked yetUse Larry the Bird for the first time
The General
Not unlocked yetBuild your first 7 segment caterpillar
Testing is the Future!
Not unlocked yetUnlock the Test Zone
War Without End
Not unlocked yetUnlock Endless Mode
One Big Caterpillar
Not unlocked yetDefeat Sergeant Flowerpuff in Campaign Mode
Jungle Boogie
Not unlocked yetDefeat Lieutenant Tikki-Tavi in Campaign Mode
Monster Mash
Not unlocked yetDefeat Frankenpillar in Campaign Mode
Scrap Attack
Not unlocked yetDefeat Geraldine the Scrap Queen in Campaign Mode
Technological Warfare
Not unlocked yetDefeat General Battlepillar 20X7 in Campaign Mode
General Battlepillar 20X7's Last Stand
Not unlocked yet
V-Day
Not unlocked yetComplete the single-player campaign
Comeback Bug
Not unlocked yetBeat a level after your base has taken damage
VIP
Not unlocked yetKeep your first deployed Battlepillar alive for the duration of a battle
What a Rush!
Not unlocked yetBeat a level using only single segment caterpillars
One Trick 'Pillar
Not unlocked yetBeat a level using only one type of segment
A Golden Opportunity
Not unlocked yetComplete your first Gold Challenge
Gold Rush
Not unlocked yetComplete 10 Gold Challenges
20 Karat
Not unlocked yetComplete 20 Gold Challenges
Au-some!
Not unlocked yetComplete 30 Gold Challenges
Golden Strategy
Not unlocked yetComplete 40 Gold Challenges
Man with the Golden Pun
Not unlocked yetComplete 50 Gold Challenges
GOALD!
Not unlocked yetComplete every Gold Challenge and unlock the Gold skin