Here is the full list of all 48 Space Pirates and Zombies achievements. It takes around 100-120 hours to unlock all of the achievements on Windows.
Collect 25,000 Goons
Defeat a Tier 3 Bounty Hunter Stronghold in Chapter 4. In short, do the impossible. You have our sympathy.
Unlock All Ship Hulls
Research a Category to Level 10
Beat a Warpgate 10 levels higher than you
Explore 150 Star Systems
Reach Tech Level 100
Complete 100 Missions
Destroy 25 Starbases
Unlock All Components
Destroy a Tier 3 UTA Base
Collect 100,000 Rez
Destroy 2500 Enemy Ships
The Clockwork II
Collect a Rare Specialist
Reach Tech Level 50
Bribe Past 5 Warpgates
Destroy a Tier 3 CIV Base
Explore 50 Star Systems
Collect 2,500 Goons
Upgrade the Clockwork
Space 250 Goons
Mass Retreat 5 Times
Destroy 500 Enemy Ships
Collect 10,000 Rez
Complete 25 Missions
Collect a Common Specialist
Retire a Specialist
Explore 10 Star Systems
Train a Specialist to Expert
Collect an Elite Specialist
Collect an Uncommon Specialist
Collect 250 Goons
Reach Tech Level 10
Destroy 100 Enemy Ships
Bribe Star Relations 5 Times
Collect a Godlike Specialist
Feed Santa so much milk and cookies, that an elf falls off his sleigh
Escape the Sol System
Collect 1,000 Rez
Complete 5 Missions
Repair the Clockwork
Complete the Game
Complete the Game on Expert
Complete the Game on Insane
Never use Respec
Clear all zombie infection
Beat all 10 arena ladders and all 5 tiers on bronze, silver and gold level. Be the champ of 150 events..