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