Here is the full list of all 31 Captain Forever Remix achievements.
Destroy 50 +2 level enemies.
Reach Neptune.
Destroy 25 enemies without destroying their Ship Bits.
Unlock the Big Booms Starter Kit.
In a single game, destroy 5 enemies that have at least 6 Shield Bulkheads.
Cause 200 enemies to flee.
Shoot down 250 enemy rockets.
In a single game, destroy 5 enemies that have at least 1 Jumbo Bulkhead.
Reach Mars.
Unlock the Super Sniper Starter Kit.
Complete the game using the Streaker! Starter Kit and never use any Ship Bits.
Beat the game on any difficulty.
Reach Pluto without using Power Bulkheads.
Destroy 100 enemies in a single game.
Reach Jupiter with less than 8 enemies destroyed.
Share a ship on Steam Workshop.
Share 10 ships on Steam Workshop.
In a single game, destroy 10 enemies that have at least 5 Repair Bulkheads.
In a single game, destroy 10 enemies that have at least 5 RipSaws or Mega RipSaws.
Destroy 20 enemies that have at least 8 MegaBoom Rockets.
Reach Earth in 5 minutes or less.
Reach Pluto in 15 minutes or less.
Destroy your Nemesis 10 times.
Reach Uranus with 18 Power Bulkheads on your ship.
Accumulate 1000 kills.
Accumulate 5000 kills.
Destroy 50 stunned enemies.
Beat the game on hard difficulty level.
Destroy 20 enemies in 2 minutes or less.
Unlock the Quadruple Dragon Starter Kit.
Beat the game on impossible difficulty level.