All Solo Players must form a company solely for the log capabilities and item tagging. A solo player in a company of 1 will not be recognized for the Company (2+ players) benefits.
Solo players can only claim 1 island or build an outpost on an island not claimed by them, but cannot have both.
Solo players have a max tame limit of 20 if not a Breeder.
Solo Breeders can have a max tame limit of 30.
Solo players may have a max of 3 ships. Only 1 of those ships may be a Galleon class.