World 3 of 5
Sackboy: A Big Adventure: The Kingdom of Crablantis walkthrough
An undersea kingdom with bubbles, eels and glowing squids, ending in a second Vex fight.
- About 66–70 min in the videos
- 6 parts · 14 steps
- 2 bosses
Compiled from 3 playthrough videos and 16 guides · checked Oct 18, 2026
What each player can do here
- Run, jump, flutter in mid-air and roll; rolling is quicker than running.
- Same moves as Sackboy 1, and up to four Sackboys can play together. You can grab, slap and roll into each other, and teamwork levels have you throw a partner up to high ledges.
If your skill levels differ: Every Sackboy has the same moves, so the split is by job inside the teamwork levels: one of you throws, holds a scale or carries the squid while the other climbs or crosses. In Swipe Right one player stays on the ground to help the one on the wall; our suggestion is to give that job to the newer player. How to split the roles
The main path
Part 1 of 6. Clear the sea levels and reach 90 Dreamer Orbs.
- BothMain levels: Sink Or Swing, Ferried Treasure, Highs And Glows, Bubble Jeopardy, Thar She Blows Up, Choral Reef, Light At The Museum and Eelectro Swing, then the boss level The Deep End.
- BothThe boss level needs 90 Dreamer Orbs.
- BothSide levels include the teamwork levels Pull Yourselves Together and Squid Goals, plus Sea Trench Escape.
Thar She Blows Up (mid-world boss)
Part 2 of 6. Beat the Ruffled Ruffian.
- BothGrab an explosive with the grappling claw and throw it at him, roll away from his slams and stretchy punches, and when the floor turns into two spinning rings, run with your ring, not against it.
Pull Yourselves Together (teamwork)
Part 3 of 6. Teamwork across sand pits and spitting lizards.
- BothTeamwork level opened after Highs And Glows, with two Dreamer Orbs.
- BothFirst orb: behind the lizard that spits at you, your partner pulls the springboard out of the wall or throws you up.
- BothSecond orb: on the rising sand section with the pink eels, go left instead of right to find a '?' door.
Squid Goals (teamwork)
Part 4 of 6. Carry the glowing squids to make the level appear.
- BothTeamwork level with two Dreamer Orbs, built around glowing squids you carry: they make walls, floors and obstacles appear or vanish.
- BothWhen the floor is missing, one of you carries the squid along the top so the floor appears under the other, who goes through the roll door below.
Snowman Left Behind (teamwork)
Part 5 of 6. A hidden teamwork level that belongs to the first world.
- BothIts sticker counts for The Soaring Summit, but you reach it through a hidden area in The Kingdom of Crablantis.
- BothFirst orb: toss your partner up to the high wire; from there they carry the bomb pumpkin over to break the box.
- BothFor score, roll the glass balls through the spiked pumpkins as often as you can.
The Deep End (boss)
Part 6 of 6. Beat Vex a second time.
- BothSame idea as the first Vex fight, now on four treadmills: throw his bombs back, three hits per stage.
- BothEach stage reverses the belts and adds spikes; in the last stage the outer treadmills rise.
Boss
Ruffled RuffianThe mid-world boss
- The fight: Swipes and slams in an arena with explosives at the sides, then spins the floor in two rings.
Vex, second roundThe world boss
- Stage 1: Throws bombs onto four treadmills and drops a crushing hand.
- Stage 2: Reverses the belts with more spikes.
- Stage 3: Raises the outer treadmills.
Sources (19)
Steps compiled from 3 playthrough videos and 16 text guides, checked Oct 18, 2026, and written in our own words. We did not play the game for this guide.
- Longplay Nexus: Sackboy: A Big Adventure (2020) - PS5 Longplay | Full Game Walkthrough | No Commentary (The Kingdom of Crablantis from 3:31:03)
- Mr Chhay: Sackboy A Big Adventure Full Game (No Damage) (The Kingdom of Crablantis from 2:33:00)
- UTAGaming: Sackboy: A Big Adventure - All Multiplayer Levels (2-Player Co-Op) (The Kingdom of Crablantis from 28:30)
- PlayStation.Blog: Sackboy: A Big Adventure update adds online multiplayer today
- PlayStation.Blog: Sackboy: A Big Adventure speedrun guide, The Knitted Knight Trials
- PowerPyx: Sackboy: A Big Adventure Trophy Guide & Roadmap
- GameFAQs: Sackboy: A Big Adventure walkthrough (Wayback copy)
- TheGamer: Sackboy: A Big Adventure, Every Boss Ranked (Wayback copy)
- Imagisphere (LittleBigPlanet wiki): Weight For Me!
- Imagisphere (LittleBigPlanet wiki): Pull Yourselves Together
- Imagisphere (LittleBigPlanet wiki): Squid Goals
- IGN, Sackboy guide: How To Play Co-Op (Wayback copy)
- IGN, Sackboy guide: The Kingdom Of Crablantis (Wayback copy)
- IGN, Sackboy guide: The Deep End (Wayback copy)
- IGN, Sackboy guide: Weight For Me (Wayback copy)
- IGN, Sackboy guide: Pull Yourselves Together (Wayback copy)
- IGN, Sackboy guide: Squid Goals (Wayback copy)
- IGN, Sackboy guide: Snowman Left Behind (Wayback copy)
- IGN, Sackboy guide: Swipe Right (Wayback copy)