There's a lot of replayability already and he's still adding more content for us, honestly I say we are at a good spot right now for a semi-complete game. You could actually beat the game(escaping the island) already, there's just a lot things you could do before that which is the fun part. I say the money is worth it if you already know you like this sort of game. Just keep in mind that this is a one man project that has been taking years to make, we are at a stage that is very playable from beginning to end. I just treat every update as free dlc honestly, ofc, not being able to use old saves for new updates is a pain but stable patches take awhile to come out anyways. If you're worry about bugs, always download stable patches only, those are bug free.