Here is the full list of all 7 Blackjack In Space achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Win 10 blackjack hands.
Earn a balance of $10,000 or greater.
Win 5 blackjack hands.
Win a blackjack hand.
Earn a balance of $5,000 or greater.
Win a blackjack hand with a Blackjack.
Earn a balance of $2,500 or greater.