Full of bugs. Sometimes it is randomly impossible to build a room. Sometimes you'll build an airlock and life support, and they'll pretend it all doesn't exist and all your starting population suffocates in their suits.
Full of imbalance. Start in a "ridiculously low" threat area and before you even have a chance to research better weapons, let alone even build a research area or assign population to it, a ship full of super-powered raiders will kill everyone.

Full of bugs. Sometimes it is randomly impossible to build a room. Sometimes you'll build an airlock and life support, and they'll pretend it all doesn't exist and all your starting population suffocates in their suits. Full of imbalance. Start in a "ridiculously low" threat area and before you even have a chance to research better weapons, let alone even build a research area or assign population to it, a ship full of super-powered raiders will kill everyone.