Icarus updates very frequently (weekly). If you are using an older version like this one, you might be missing out on significant "New Frontiers" DLC content or massive performance improvements that have come out in later patches.
If you are just getting started with this version, here are the core pillars of the gameplay: ICARUS.v1.2.19.102260-P2P.iso
In the digital distribution world, "P2P" indicates that this file was packaged and shared by members of the peer-to-peer community rather than a traditional scene group (like SKIDROW or FLT). An ".iso" file is a disk image that contains the entire game folder, ready to be mounted and installed. Key Features of Icarus (General) Icarus updates very frequently (weekly)
This particular build typically includes various bug fixes, performance optimizations, and potentially new items or mission adjustments. ICARUS.v1.2.19.102260-P2P.iso