Creation and evolution sim The Sapling adds in flight, extended combat, family trees
Starting off very simplistic with a vegetation system, The Sapling has expanded to become a rather curious evolution sim to spend a couple of hours in and see what horrors you end up creating.

Read the full article here: https://www.gamingonlinux.com/2021/06/creation-and-evolution-sim-the-sapling-adds-in-flight-extended-combat-family-trees