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