# Stop The Tsunami! Wiki

Canonical site: https://stopthetsunami-wiki.wiki/
Primary topic: Stop The Tsunami! Wiki
Language: en

## Summary
Player wiki for Stop The Tsunami! on Roblox: sand walls, trenches, machines, materials, co-op roles, and the code box.

## Content coverage
- Codes: 0
- Guides: 5
- Tier list entries: 6
- Wiki categories: 4
- Indexable wiki entities: 15
- Video guides: 0
- FAQ entries: 3
- Search-target URLs: 64
- Search intents: navigational-reference (1), informational (32), tool (2), fresh-reference (2), reference (20), comparison (1), navigational (1), Learn the first-session loop (1), Build a defense that holds (1), Choose the next machine (1), Organize a shared defense (1), Choose a difficulty (1)
- Query clusters: 48

## Important URLs
- [Home](https://stopthetsunami-wiki.wiki/)
- [Codes](https://stopthetsunami-wiki.wiki/codes/)
- [Tier List](https://stopthetsunami-wiki.wiki/tier-list/)
- [Wiki](https://stopthetsunami-wiki.wiki/wiki/)
- [Guides](https://stopthetsunami-wiki.wiki/guides/)
- [Calculator](https://stopthetsunami-wiki.wiki/calculator/)
- [Updates](https://stopthetsunami-wiki.wiki/updates/)
- [Build your first wall and start a round](https://stopthetsunami-wiki.wiki/guides/beginner-defense/)
- [Walls, trenches, and late-game materials](https://stopthetsunami-wiki.wiki/guides/walls-trenches-materials/)
- [Spend coins on the next useful machine](https://stopthetsunami-wiki.wiki/guides/machine-upgrade-order/)
- [Split dig, drive, and patch in co-op](https://stopthetsunami-wiki.wiki/guides/coop-roles/)
- [When to leave Easy for Medium or Hard](https://stopthetsunami-wiki.wiki/guides/difficulty-and-rewind/)
- [Equipment](https://stopthetsunami-wiki.wiki/wiki/equipment/)
- [Materials](https://stopthetsunami-wiki.wiki/wiki/materials/)
- [Worlds](https://stopthetsunami-wiki.wiki/wiki/worlds/)
- [Tokens](https://stopthetsunami-wiki.wiki/wiki/tokens/)
- [Tools](https://stopthetsunami-wiki.wiki/tools/)
- [Play](https://stopthetsunami-wiki.wiki/play/)
- [Toy Spade — Machines](https://stopthetsunami-wiki.wiki/wiki/equipment/toy-spade/)
- [Shovels — Machines](https://stopthetsunami-wiki.wiki/wiki/equipment/shovels/)
- [Bulldozer — Machines](https://stopthetsunami-wiki.wiki/wiki/equipment/bulldozer/)
- [Skid Steer — Machines](https://stopthetsunami-wiki.wiki/wiki/equipment/skid-steer/)
- [Excavators — Machines](https://stopthetsunami-wiki.wiki/wiki/equipment/excavators/)
- [Dump Truck — Machines](https://stopthetsunami-wiki.wiki/wiki/equipment/dump-truck/)
- [Sand — Materials](https://stopthetsunami-wiki.wiki/wiki/materials/sand/)
- [Gravel — Materials](https://stopthetsunami-wiki.wiki/wiki/materials/gravel/)
- [Boulders — Materials](https://stopthetsunami-wiki.wiki/wiki/materials/boulders/)
- [Clay — Materials](https://stopthetsunami-wiki.wiki/wiki/materials/clay/)
- [Concrete — Materials](https://stopthetsunami-wiki.wiki/wiki/materials/concrete/)
- [Opening beach — Beach stages](https://stopthetsunami-wiki.wiki/wiki/worlds/opening-beach/)
- [Widened beach — Beach stages](https://stopthetsunami-wiki.wiki/wiki/worlds/widened-beach/)
- [Full beach — Beach stages](https://stopthetsunami-wiki.wiki/wiki/worlds/full-beach/)
- [Rewind — Rewind](https://stopthetsunami-wiki.wiki/wiki/tokens/rewind/)
- [Privacy Policy](https://stopthetsunami-wiki.wiki/privacy/)
- [Terms of Use](https://stopthetsunami-wiki.wiki/terms/)
- [Disclaimer](https://stopthetsunami-wiki.wiki/disclaimer/)

## Answers
- [Home](https://stopthetsunami-wiki.wiki/) — Build sand walls, upgrade machines, and hold wider beaches in Stop The Tsunami! Updated 2026-11-14.
- [Codes](https://stopthetsunami-wiki.wiki/codes/) — No active code strings are confirmed. Use a code box only when the current session shows one.
- [Tier List](https://stopthetsunami-wiki.wiki/tier-list/) — Editor roles for the published machines. This is a buying aid, not an official power ranking. Updated 2026-11-14.
- [Wiki](https://stopthetsunami-wiki.wiki/wiki/) — Machines, materials, beach stages, and the free Rewind live in these catalogs. Updated 2026-11-14.
- [Guides](https://stopthetsunami-wiki.wiki/guides/) — Read the guides in order: first wall, defense shape, machine purchases, co-op roles, then difficulty. Updated 2026-11-14.
- [Calculator](https://stopthetsunami-wiki.wiki/calculator/) — Estimate how many waves a machine purchase needs in order to earn its coin cost back. Updated 2026-11-14.
- [Updates](https://stopthetsunami-wiki.wiki/updates/) — Patch notes appear here when a dated change is published. The current description is the baseline, not a patch list. Updated 2026-11-14.
- [Build your first wall and start a round](https://stopthetsunami-wiki.wiki/guides/beginner-defense/) — Claim the daily rewards, raise one continuous packed sand wall, cut a trench, and only then press START ROUND. Updated 2026-11-14.
- [Walls, trenches, and late-game materials](https://stopthetsunami-wiki.wiki/guides/walls-trenches-materials/) — Cover the whole approach with a thick packed wall and a trench, then extend that line as each cleared stage widens the beach. Updated 2026-11-14.
- [Spend coins on the next useful machine](https://stopthetsunami-wiki.wiki/guides/machine-upgrade-order/) — Follow the published ladder from toy spade to dump truck, and spend the shared wallet on the job your current defense is failing. Updated 2026-11-14.
- [Split dig, drive, and patch in co-op](https://stopthetsunami-wiki.wiki/guides/coop-roles/) — Share one coin wallet and split the server into digger, driver, and mid-wave patcher before anyone presses START ROUND. Updated 2026-11-14.
- [When to leave Easy for Medium or Hard](https://stopthetsunami-wiki.wiki/guides/difficulty-and-rewind/) — Easy, Medium, and Hard use the same defense actions. Move up when your wall holds a wider beach, not because the mode name sounds next. Updated 2026-11-14.
- [Equipment](https://stopthetsunami-wiki.wiki/wiki/equipment/) — The published tool and machine ladder, from the toy spade to the dump truck. Updated 2026-11-14.
- [Materials](https://stopthetsunami-wiki.wiki/wiki/materials/) — Sand for the early beach, then gravel, boulders, clay, and concrete. Updated 2026-11-14.
- [Worlds](https://stopthetsunami-wiki.wiki/wiki/worlds/) — Stages pull the sea back, widen the beach, and raise the waves. Updated 2026-11-14.
- [Tokens](https://stopthetsunami-wiki.wiki/wiki/tokens/) — The free Rewind listed for the Beach Club group. Updated 2026-11-14.
- [Tools](https://stopthetsunami-wiki.wiki/tools/) — Focused Tools player page with practical routes, resources, and decisions for the selected game. Updated 0001-01-01.
- [Play](https://stopthetsunami-wiki.wiki/play/) — Focused Play player page with practical routes, resources, and decisions for the selected game. Updated 0001-01-01.
- [Toy Spade — Machines](https://stopthetsunami-wiki.wiki/wiki/equipment/toy-spade/) — Toy Spade: The starting hand tool for the first sand wall. Get it by Equipped when you join. Use it to Use it until shovels are affordable. Do not wait on a vehicle before the first wall exists. Updated 2026-11-14.
- [Shovels — Machines](https://stopthetsunami-wiki.wiki/wiki/equipment/shovels/) — Shovels: The first coin upgrade after the toy spade. Get it by Buy with coins earned from waves you hold. Use it to Buy shovels before a bulldozer if digging speed is why the wall is unfinished. Updated 2026-11-14.
- [Bulldozer — Machines](https://stopthetsunami-wiki.wiki/wiki/equipment/bulldozer/) — Bulldozer: A pushing machine for long sand walls. Get it by Buy with coins after the hand tools. Use it to Bring it out when the wall is too long to finish by hand. In co-op, one driver is enough. Updated 2026-11-14.
- [Skid Steer — Machines](https://stopthetsunami-wiki.wiki/wiki/equipment/skid-steer/) — Skid Steer: A compact machine for short sand moves. Get it by Buy with coins along the machine ladder. Use it to Use it to clean gaps and move sand short distances while a larger machine does the volume. Updated 2026-11-14.
- [Excavators — Machines](https://stopthetsunami-wiki.wiki/wiki/equipment/excavators/) — Excavators: The digging machines for a wide beach. Get it by Buy with coins later in the ladder. Use it to Give the excavator to the digging role. Pair it with a dump truck when late materials also need to move. Updated 2026-11-14.
- [Dump Truck — Machines](https://stopthetsunami-wiki.wiki/wiki/equipment/dump-truck/) — Dump Truck: The hauler for late-game wall materials. Get it by Buy with coins at the end of the ladder. Use it to Buy it when carrying material is slower than digging. It does not replace a packed wall by itself. Updated 2026-11-14.
- [Sand — Materials](https://stopthetsunami-wiki.wiki/wiki/materials/sand/) — Sand: The basic wall material from the first wave onward. Get it by Dig it on the beach with the current tool or machine. Use it to Pile it into a continuous line, cut a trench with it, and pack it hard before START ROUND. Updated 2026-11-14.
- [Gravel — Materials](https://stopthetsunami-wiki.wiki/wiki/materials/gravel/) — Gravel: Hauled material for a stronger late wall. Get it by Haul it on the full beach. The dump truck is the published hauling machine. Use it to Add gravel after the sand line already covers the approach. Hauling it before the line is closed wastes the round. Updated 2026-11-14.
- [Boulders — Materials](https://stopthetsunami-wiki.wiki/wiki/materials/boulders/) — Boulders: Heavy pieces dropped into a late-game wall. Get it by Drop them on the full beach as a late-game material. Use it to Place them in a wall that already has a continuous line. A boulder does not plug a gap by itself. Updated 2026-11-14.
- [Clay — Materials](https://stopthetsunami-wiki.wiki/wiki/materials/clay/) — Clay: A late material you sculpt into the wall. Get it by Sculpt it on the full beach. Use it to Shape it onto the defense after sand, trenches, and packing are already done. Updated 2026-11-14.
- [Concrete — Materials](https://stopthetsunami-wiki.wiki/wiki/materials/concrete/) — Concrete: Poured material for the strongest listed walls. Get it by Pour it on the full beach. Use it to Pour it on a finished line. Starting a round to pour concrete over an open gap still loses the town. Updated 2026-11-14.
- [Opening beach — Beach stages](https://stopthetsunami-wiki.wiki/wiki/worlds/opening-beach/) — Opening beach: The first beach, before the sea has pulled back. Get it by This is the start of a run. Use it to Finish a packed sand wall and a trench. Hold the wave for coins. Updated 2026-11-14.
- [Widened beach — Beach stages](https://stopthetsunami-wiki.wiki/wiki/worlds/widened-beach/) — Widened beach: The beach after a cleared stage, with a larger approach. Get it by Clear a stage. Use it to Extend the wall across the new width before you spend the whole wallet on a second vehicle. Updated 2026-11-14.
- [Full beach — Beach stages](https://stopthetsunami-wiki.wiki/wiki/worlds/full-beach/) — Full beach: The late beach, with hauled and poured materials. Get it by Keep clearing stages until the late materials are part of the defense. Use it to Haul and place the late materials on a line that already covers the beach, and keep someone patching during the wave. Updated 2026-11-14.
- [Rewind — Rewind](https://stopthetsunami-wiki.wiki/wiki/tokens/rewind/) — Rewind: The free group reward named Beach Club Rewind. Get it by Join the Beach Club group from the prompt in the game. The description calls this reward free. Use it to Claim it from the in-game group prompt. Save it for a wave that is actually breaking the defense, and learn the exact effect from the item in game. Updated 2026-11-14.

## Search targets
- [Stop The Tsunami! wiki](https://stopthetsunami-wiki.wiki/) — intent: navigational-reference; cluster: query:wiki
- [Stop The Tsunami! How to Redeem Codes](https://stopthetsunami-wiki.wiki/codes/how-to-redeem/) — intent: informational; cluster: query:code-how-redeem
- [Stop The Tsunami! Expired Codes](https://stopthetsunami-wiki.wiki/codes/expired/) — intent: informational; cluster: query:code-expired
- [Stop The Tsunami! Tools](https://stopthetsunami-wiki.wiki/tools/) — intent: tool; cluster: query:tool
- [Stop The Tsunami! class picker](https://stopthetsunami-wiki.wiki/tools/class-picker/) — intent: informational; cluster: query:class-picker
- [Stop The Tsunami! pie calculator](https://stopthetsunami-wiki.wiki/tools/pie-calculator/) — intent: informational; cluster: query:calculator-pie
- [Stop The Tsunami! Players](https://stopthetsunami-wiki.wiki/players/) — intent: informational; cluster: query:players
- [Stop The Tsunami! roster](https://stopthetsunami-wiki.wiki/players/classes/) — intent: informational; cluster: query:roster
- [Stop The Tsunami! Updates](https://stopthetsunami-wiki.wiki/updates/) — intent: fresh-reference; cluster: query:update
- [Stop The Tsunami! latest update](https://stopthetsunami-wiki.wiki/updates/latest/) — intent: informational; cluster: query:latest-update
- [Stop The Tsunami! patch notes](https://stopthetsunami-wiki.wiki/updates/patch-notes/) — intent: informational; cluster: query:notes-patch
- [Stop The Tsunami! Scripts](https://stopthetsunami-wiki.wiki/scripts/) — intent: informational; cluster: query:scripts
- [Stop The Tsunami! auto farm scripts](https://stopthetsunami-wiki.wiki/scripts/auto-farm/) — intent: informational; cluster: query:auto-farm-scripts
- [Stop The Tsunami! kill aura scripts](https://stopthetsunami-wiki.wiki/scripts/kill-aura/) — intent: informational; cluster: query:aura-kill-scripts
- [Stop The Tsunami! Official Links](https://stopthetsunami-wiki.wiki/links/) — intent: informational; cluster: query:links-official
- [Stop The Tsunami! Discord](https://stopthetsunami-wiki.wiki/links/discord/) — intent: informational; cluster: query:discord
- [Stop The Tsunami! Roblox group](https://stopthetsunami-wiki.wiki/links/roblox-group/) — intent: informational; cluster: query:group-roblox
- [Stop The Tsunami! Machines tier list](https://stopthetsunami-wiki.wiki/tier-list/machines/) — intent: informational; cluster: query:list-machine-tier
- [Toy Spade](https://stopthetsunami-wiki.wiki/players/toy-spade/) — intent: informational; cluster: query:spade-toy
- [Shovels](https://stopthetsunami-wiki.wiki/players/shovels/) — intent: informational; cluster: query:shovels
- [Bulldozer](https://stopthetsunami-wiki.wiki/players/bulldozer/) — intent: informational; cluster: query:bulldozer
- [Skid Steer](https://stopthetsunami-wiki.wiki/players/skid-steer/) — intent: informational; cluster: query:skid-steer
- [Excavators](https://stopthetsunami-wiki.wiki/players/excavators/) — intent: informational; cluster: query:excavators
- [Dump Truck](https://stopthetsunami-wiki.wiki/players/dump-truck/) — intent: informational; cluster: query:dump-truck
- [Sand](https://stopthetsunami-wiki.wiki/players/sand/) — intent: informational; cluster: query:sand
- [Gravel](https://stopthetsunami-wiki.wiki/players/gravel/) — intent: informational; cluster: query:gravel
- [Boulders](https://stopthetsunami-wiki.wiki/players/boulders/) — intent: informational; cluster: query:boulders
- [Clay](https://stopthetsunami-wiki.wiki/players/clay/) — intent: informational; cluster: query:clay
- [Concrete](https://stopthetsunami-wiki.wiki/players/concrete/) — intent: informational; cluster: query:concrete
- [Opening beach](https://stopthetsunami-wiki.wiki/players/opening-beach/) — intent: informational; cluster: query:beach-opening
- [Widened beach](https://stopthetsunami-wiki.wiki/players/widened-beach/) — intent: informational; cluster: query:beach-widened
- [Full beach](https://stopthetsunami-wiki.wiki/players/full-beach/) — intent: informational; cluster: query:beach-full
- [Rewind](https://stopthetsunami-wiki.wiki/players/rewind/) — intent: informational; cluster: query:rewind
- [Stop The Tsunami! Guides](https://stopthetsunami-wiki.wiki/guides/) — intent: informational; cluster: query:guide
- [Stop The Tsunami! Beginner Guide](https://stopthetsunami-wiki.wiki/beginner-guide/) — intent: informational; cluster: query:beginner-guide
- [Stop The Tsunami! database](https://stopthetsunami-wiki.wiki/wiki/) — intent: reference; cluster: query:database
- [Stop The Tsunami! Equipment](https://stopthetsunami-wiki.wiki/wiki/equipment/) — intent: reference; cluster: query:equipment
- [Stop The Tsunami! Materials](https://stopthetsunami-wiki.wiki/wiki/materials/) — intent: reference; cluster: query:material
- [Stop The Tsunami! Worlds](https://stopthetsunami-wiki.wiki/wiki/worlds/) — intent: reference; cluster: query:world
- [Stop The Tsunami! Tokens](https://stopthetsunami-wiki.wiki/wiki/tokens/) — intent: reference; cluster: query:tokens
- [Stop The Tsunami! Codes](https://stopthetsunami-wiki.wiki/codes/) — intent: fresh-reference; cluster: query:code
- [Stop The Tsunami! Tier List](https://stopthetsunami-wiki.wiki/tier-list/) — intent: comparison; cluster: query:list-tier
- [Stop The Tsunami! Calculator](https://stopthetsunami-wiki.wiki/calculator/) — intent: tool; cluster: query:calculator
- [Play Stop The Tsunami!](https://stopthetsunami-wiki.wiki/play/) — intent: navigational; cluster: query:play
- [Stop The Tsunami beginner guide](https://stopthetsunami-wiki.wiki/guides/beginner-defense/) — intent: Learn the first-session loop; cluster: query:beginner-guide
- [Stop The Tsunami wall guide](https://stopthetsunami-wiki.wiki/guides/walls-trenches-materials/) — intent: Build a defense that holds; cluster: query:guide-wall
- [Stop The Tsunami machines](https://stopthetsunami-wiki.wiki/guides/machine-upgrade-order/) — intent: Choose the next machine; cluster: query:machine
- [Stop The Tsunami co-op](https://stopthetsunami-wiki.wiki/guides/coop-roles/) — intent: Organize a shared defense; cluster: query:co-op
- [Stop The Tsunami Hard mode](https://stopthetsunami-wiki.wiki/guides/difficulty-and-rewind/) — intent: Choose a difficulty; cluster: query:hard-mode
- [Stop The Tsunami! Toy Spade](https://stopthetsunami-wiki.wiki/wiki/equipment/toy-spade/) — intent: reference; cluster: query:spade-toy
- [Stop The Tsunami! Shovels](https://stopthetsunami-wiki.wiki/wiki/equipment/shovels/) — intent: reference; cluster: query:shovels
- [Stop The Tsunami! Bulldozer](https://stopthetsunami-wiki.wiki/wiki/equipment/bulldozer/) — intent: reference; cluster: query:bulldozer
- [Stop The Tsunami! Skid Steer](https://stopthetsunami-wiki.wiki/wiki/equipment/skid-steer/) — intent: reference; cluster: query:skid-steer
- [Stop The Tsunami! Excavators](https://stopthetsunami-wiki.wiki/wiki/equipment/excavators/) — intent: reference; cluster: query:excavators
- [Stop The Tsunami! Dump Truck](https://stopthetsunami-wiki.wiki/wiki/equipment/dump-truck/) — intent: reference; cluster: query:dump-truck
- [Stop The Tsunami! Sand](https://stopthetsunami-wiki.wiki/wiki/materials/sand/) — intent: reference; cluster: query:sand
- [Stop The Tsunami! Gravel](https://stopthetsunami-wiki.wiki/wiki/materials/gravel/) — intent: reference; cluster: query:gravel
- [Stop The Tsunami! Boulders](https://stopthetsunami-wiki.wiki/wiki/materials/boulders/) — intent: reference; cluster: query:boulders
- [Stop The Tsunami! Clay](https://stopthetsunami-wiki.wiki/wiki/materials/clay/) — intent: reference; cluster: query:clay
- [Stop The Tsunami! Concrete](https://stopthetsunami-wiki.wiki/wiki/materials/concrete/) — intent: reference; cluster: query:concrete
- [Stop The Tsunami! Opening beach](https://stopthetsunami-wiki.wiki/wiki/worlds/opening-beach/) — intent: reference; cluster: query:beach-opening
- [Stop The Tsunami! Widened beach](https://stopthetsunami-wiki.wiki/wiki/worlds/widened-beach/) — intent: reference; cluster: query:beach-widened
- [Stop The Tsunami! Full beach](https://stopthetsunami-wiki.wiki/wiki/worlds/full-beach/) — intent: reference; cluster: query:beach-full
- [Stop The Tsunami! Rewind](https://stopthetsunami-wiki.wiki/wiki/tokens/rewind/) — intent: reference; cluster: query:rewind

## Machine-readable discovery
- [XML sitemap index](https://stopthetsunami-wiki.wiki/sitemap.xml)
- [Page sitemap](https://stopthetsunami-wiki.wiki/sitemaps/pages.xml)
- [Guide sitemap](https://stopthetsunami-wiki.wiki/sitemaps/guides.xml)
- [Wiki sitemap](https://stopthetsunami-wiki.wiki/sitemaps/wiki.xml)
- [Robots policy](https://stopthetsunami-wiki.wiki/robots.txt)

## Publication model
This public website serves published guide pages directly. Players can browse codes, guides, videos, wiki data, and legal pages without creating an account.