This is a guide for getting all of the achievements in the game Spongebob Squarepants Battle for Bikini Bottom - Rehydrated. I have also made a video guide which you can find below to go along with this or as a standalone resource if that is more helpful as well as a series on each map's collectables.
This achievement is at the very beginning of the game. You'll need to collect EVERYTHING in Spongebob's house. That means the spatula, the underwear, the sock, and every single shiny object that's floating or inside of a tiki.
For this achievement you'll need to talk to Squidward 10 times in his house. Just keep walking up to him and talking to him and eventually it will go into another cut scene and the achievement will pop up.
For this achievement you'll need to defeat the King Jellyfish at the end of the Jellyfish Fields area.
For this achievement you'll need to get the King Jellyfish Jelly from the end of the Jellyfish Fields area. Once you have that return to Squidward and you'll get the achievement.
This achievement is for completing Mrs Puff's mission in Downtown Bikini Bottom. You'll need to find all of the steering wheels in the area and then return to her and the achievement will pop up.
This achievement is for defeating the Robo-Sandy boss in the Poseidome.
For this achievement you'll need to defeat 100 robots as Spongebob throughout your play-through. You should get this fairly early naturally.
For this achievement you'll need to defeat 100 robots as Patrick. You should also get this one naturally as you play through the game.
For this achievement you'll need to defeat 100 robots as Sandy during your play-through. You should also end up getting this one naturally as you go through it.
This achievement is for completing the rolling ball puzzle in the mermalair. It's a fairly simple puzzle to get through, but may take a few tries. The section of my video guide where this process is shown is here.
For this achievement you'll need to defeat Prawn in the Mermalair.
For this achievement you'll need to finish the main mission of Rock Bottom. You'll need to find all of the museum paintings and then return to Mrs Puff and turn in the mission.
For this achievement you'll need to clear all of the ski slopes in the Sand Mountain area.
For this achievement you'll need to complete the main mission of the Goo Lagoon area. Once you get to the end and use the light beam to defeat the robot hoarding the sun screen the achievement will pop up.
For this achievement you'll have to defeat the Robo-Patrick boss.
For this achievement you'll need to destroy at least one of all of the different types of robots excluding the bosses. The list of all of them is down below. If you have issues figuring out which one you're missing you can check the police station in Bikini Bottom.
This achievement is for collecting all of the Golden Spatulas in the Spongebob's Dream level. The link to my video showing all of these spatulas is here.
This achievement is for finding all of the Golden Spatulas hidden around the three sections of Bikini Bottom. The link to my video guide covering these is here.
This achievement is for finding all of the lost campers in the Kelp Forest area. The link to my video showing where all of these are is linked here.
For this achievement you'll need to activate all of the cannons in order to reclaim the Flying Dutchman's ship. If you have issues finding the four cannons I covered them in my video linked here.
This achievement is for defeating the Flying Dutchman boss battle. I think this may actually be the easiest boss in the game as his attacks felt the easiest to dodge.
For this achievement you'll need to defeat the second to last boss Spongebot SteelPants.
This achievement is for defeating Robo-Plankton and neutralizing SpongeBot SteelPants' Brain.
These achievements are all for collecting the golden spatulas throughout the game. I have a playlist with videos going over all of the collectables here.
This one is for collecting 10 of the Golden Spatulas.
This one is for collecting 25 of the Golden Spatulas.
This one is for collecting 50 of the Golden Spatulas.
This one is for collecting 75 of the Golden Spatulas.
This one is for collecting all 100 of the Golden Spatulas.
These achievements are all for finding the Patrick's Socks collectables throughout the game. I have a playlist of video guides for all of these here.
This achievement is for finding 15 of Patrick's Socks.
This achievement is for finding 40 of Patrick's Socks.
This achievement is for finding all 80 of Patrick's Socks.
For this achievement you'll need to get all 100 of the Golden Spatulas and all 80 of Patrick's Socks. My playlist with all of my videos covering these is linked here if you need help figuring out which ones you're needing or how to do something.
And there you go! 100% of the achievements in Spongebob Squarepants: Battle for Bikini Bottom - Rehydrated. If you found the written guide helpful be sure to like/favorite it and drop a comment down below.
If you found the video guides helpful be sure to also like, comment, and subscribe over on my YouTube Channel.
I also cover the achievement/trophy guides for many other games so whether it's on Youtube, our website, or Steam check out some of my other guides to help you 100% more games.
Thanks for reading/watching!