Body Transformation / Addiction / Sex skill
Starting from Ver0.4, body transformation has became progressive focus. Transformation on Sasha depends on the body part that received the sex attack. For example, if Sasha keeps getting sex attack on breast, her breast will develop a chamber to breed aliens, so as her womb and futa balls. Breeding with certain body part will also make its max pregnancy size larger progressively.
Noted that, you can learn sex skill in menu -> skill -> select character -> learn skill Use seduce skill to attract enemy to mate with the desired body part. Sasha will transform / be addicted after receiving sex attack on a body part for around 15 times.
Offspring System
Each offspring has their own set of skills, some may combo with the others. Offspring will grow slowly when recieving sex attack, you can accelerate their growth by sleep with them (Assign the desire one as the second position of the formation). However characters other than Sasha can only breed "Unknown Creature". In addition, Sasha has a skill called "Change Formation" which can switch partner in battle.
Bytes Earning Guide
For newbie, hit level 3 and you will get "seduce" and "pussy seduce" skills. Use both skill in battle to attract alien to perform sex attack on pussy. After several times, Sasha womb will transform enabling womb pregnancy. Once Sasha is fertilized, get back to the ship and sleep a few times to breed your first offspring. Go back to the planet and mate with the same type of monster until Sasha is preg. (If you get the same type of offspring again, you will get an "Unknown Creature")
After that, craft a "(Lab) Disintegrator" at the assembly bay on the bottom right side of your ship. This item will enable the Disintegrator function on the bottom left side of your ship. Now you can sell "Unknown Creature" with 50 Bytes each.