Buy crabs and fill capacity
Crabs automatically dig shells while you play. Purchase low-tier crabs until your base capacity is full before chasing expensive upgrades.
Learn about crabs, shells, and eggsYour complete resource for Roblox Crab Tycoon by Atlantean Co. — verified codes, merge strategies, tier rankings, offline earnings tips, and interactive tools to grow your shell empire faster.
Crabs automatically dig shells while you play. Purchase low-tier crabs until your base capacity is full before chasing expensive upgrades.
Learn about crabs, shells, and eggsTwo identical crabs combine into a stronger tier that digs more shells per slot. Merging is the fastest way to multiply income without buying more floor space.
Read the crab merge strategy guideAppraisal turns shells into cash for upgrades. Crabs keep digging offline — log in regularly to claim accumulated shells before capacity caps.
Maximize offline shell earningsPromo codes grant free cash for crabs and upgrades. We cross-reference community sources and update active codes regularly. Redeem via the settings cogwheel before codes expire after updates.
View all working Crab Tycoon codesActive codes
SANDCASTLE — 190 CashTHANKSFORPLAYING — 95 CashBESTCRABS — 95 CashKINGCRAB — CashWhether you are learning how to play, optimizing cash flow, or hatching rare eggs, these guides address the most common player questions with actionable steps.
Complete beginner guide covering the idle merge loop from first login to mid-game.
Read guideTiming, chain building, and when merging beats buying new crabs.
Read guideAppraisal speed, tier unlock order, and reinvestment priorities.
Read guideClaim bigger shell piles every time you return to the game.
Read guideIncubator mechanics, 24-hour hatches, and high-tier rewards.
Read guideDeep-dive pages for controls, tier rankings, items, upgrades, and full progression walkthroughs — each linked below with context so you know where to go next.
PC, mobile, and in-game menu reference including code redemption.
View pageRankings from Starter Crab through King Crab with merge notes.
View pageShells, cash, crabs, and eggs explained with upgrade cross-links.
View pageAppraisal speed, capacity, and tier purchase priority order.
View pageEarly, mid, and late-game milestones in one progression path.
View pageUse our shell income calculator to plan merges and offline claims. Script users can find verified auto-farm options with safety guidance on our scripts page.
Estimate shells per hour, cash income, and offline claims.
Verified scripts with usage notes and account safety warnings.
There is no official Trello board for Crab Tycoon. The Crab Kingdom Discord server is the primary hub for code drops, update news, and strategy discussion.
Crab Kingdom Discord community guideCrab Tycoon is an idle merge-tycoon by Atlantean Co. where you buy crabs that dig shells, merge them into stronger tiers, convert shells to cash, and build a shell empire with offline earnings.
Yes — codes like SANDCASTLE, THANKSFORPLAYING, BESTCRABS, and KINGCRAB have been reported active in June 2026. Check our active codes page for the latest verified list and redeem via the settings cogwheel.
Place or select two identical crabs and merge them into the next tier variant. Merged crabs dig more shells per slot than the pair they replaced. See our merge guide for timing strategies.
Yes. Crabs continue digging shells while you are away. Log back in to claim the accumulated pile — our offline earnings guide explains how to maximize this passive income.
No official wiki or Trello exists yet. This fan wiki fills that gap, and the Crab Kingdom Discord is the best source for live updates and code announcements.
Early game: fill crab capacity and merge to Tier 3–4. Mid game: appraisal speed and tier unlocks. Late game: push toward Tier 8+ and keep incubator slots active. Our upgrades page breaks down the full priority list.
Last updated: June 2026