Gas ballon recipes (fill and empty) allows productivity modules, creating a net positive with gases without needing any more input or resources, this on its own creates infinite plastic everywhere (Chlorine + Ethylene), and with the addition of other planets using the same gases, a few more loops completely breaks the balance of the game.

Also, personal taste, "Vanadium science park (research)" description should be "Щербин. (Shcherbin.)" for clarity. Although (I think) the translation was deliberately omitted, it looks like it has been forgotten.