[2021] is this game coming out on the 5th or is it just another beta?

It's our 1.0 launch this weekend.

Icarus will launch worldwide on Steam at:

• 2pm Friday 3 December 2021 PST
  
• 10pm Friday 3 December 2021 UTC
  
• 11am Saturday 4 December 2021 NZT

Depending on your timezone your Steam Store might display a slightly different date, but ignore that for now.