Build a Bridge Together Worlds & Progression
Unlock each island, find crafting machines, and beat block walls.
How worlds work
Build a Bridge Together spreads content across themed islands. You smash local block stacks, spend blocks to extend the bridge, and unlock the next world when distance and block requirements are met. Later worlds sell stronger eggs, tougher stacks, and unique machines. Badges celebrate milestones such as reaching Farm World and Bee World.
This page walks the main progression spine players chase: Starter → Farm → Bee → Sakura → Castle → Factory → Beach, with notes on side areas like soccer-zone evolution content. Pair it with How to Get Wins, Pets, and Rebirth whenever a gate feels unfair.
Starter World
The tutorial island teaches hammer swings, block collection, and the first bridge segments. Goals:
- Redeem codes before you invest hours.
- Upgrade the early hammer when cheap power spikes appear.
- Hatch the affordable egg and equip best.
- Rebirth as soon as wins appear so percentage starts climbing.
- Push the bridge until Farm World unlocks.
Do not perfectionist-farm Starter forever. Farm’s machines matter more than maxing a tutorial stack.
Farm World
Why it matters: early milestone badge, better eggs, and the shiny pet machine. Many players also find free-reward and QoL NPCs easier to notice here once the HUD feels familiar.
Tips:
- Route through Farm whenever you have craftable pets ready for shiny attempts.
- Use Farm stacks as a comfort farm if Bee feels too tanky yet.
- Keep Getting Started habits: claim timers, equip best, rebirth spare wins.
Bee World
Why it matters: home of the rainbow machine. Shiny pets queued here become rainbow pets after the craft timer, which is one of the biggest trustworthy power spikes in the pet pipeline.
Tips:
- Arrive with shinies prepared; do not unlock Bee and then realize your team is still all base pets.
- Start rainbow crafts before you go AFK.
- Smash Bee stacks only if your percentage and pets keep a steady clear rate; otherwise farm Farm, rebirth, return.
Sakura World
Sakura is a mid-spine beauty world with harder block requirements—community videos often cite tens of billions of blocks as a feeling check for the era they recorded, though exact numbers shift with your percentage and pets. Treat published raw numbers as snapshots, not eternal constants.
Tips:
- Expect to rebirth aggressively before and during the Sakura push.
- Hatch Sakura eggs when affordable; compare against your Bee/Farm keepers before mass deleting.
- If progress stalls under 20–30% bridge completion for a long time, leave, farm wins elsewhere, and come back stronger.
Castle World
Castle continues the escalation with steeper stacks and stronger egg potential. Use it as a proving ground for your rainbow and evolved pets. Keep gadgets equipped, and do not ignore achievement or playtime rewards that grant gems for evolution attempts.
When Castle feels stuck, revisit the Tier List to ensure inventory slots are not wasted on outdated commons.
Factory World
Factory is a notorious wall in creator playthroughs. Stacks and bridge costs spike hard; some players spend hours here even with solid rebirth counts. Typical recovery pattern:
- Auto-build whatever you can after dense smash sessions.
- Hatch mid-tier Factory eggs if multipliers beat your current team.
- Rebirth in large batches.
- Optionally drop to Castle/Sakura comfort farms to refill wins faster.
- Return for another bridge push toward Beach.
Gadgets, potions, and event luck help, but percentage plus pets still decide the fight.
Beach World
Beach is the late spine destination many grinders eye from Factory. Visual flair aside, the gameplay message is the same: only arrive when smash income can feed the bridge without soul-crushing downtime. Bring rainbow/evolved/exclusive pets, high rebirth percentage, and a plan for ethereal crafting if you are converting exclusives.
Side content: soccer evolution zone and extras
The evolution machine lives in soccer-themed content unlocked along the broader world list. Teleport there when you have gem batches ready for 15-gem evolution rolls on finished pets. Other limited or event worlds may appear in update logs—skim Latest Update and the in-game update panel (often top-left) after patches.
Obbies added in Update 11-style patches sit alongside worlds as optional routes to limited pets and achievement progress. Clear them when you want side rewards without forcing a main-bridge push.
Universal world-clear checklist
- Pets equipped and crafted as far as current machines allow.
- Normal rebirth percentage recently topped off.
- Codes redeemed; group rewards claimed (Players).
- Rainbow machine not sitting idle with a shiny ready.
- Hammer and gadgets updated for the local economy.
- Mental permission to retreat one world if the stack is a brick wall.
Related guides
- Getting Started — reach Farm cleanly
- How to Get Wins — fuel for every gate
- Rebirth — percentage and super rebirth stars
- Pets — shiny, rainbow, evolution, ethereal
- Guides Hub — full tutorial index
Worlds are a ladder, not a prison. Step down to farm, step up to unlock, and let machines on Farm and Bee keep your pets climbing even while Castle and Factory test your patience.
Frequently Asked Questions
Quick answers to the most common questions.
What worlds are in Build a Bridge Together?
The main spine includes Starter, Farm, Bee, Sakura, Castle, Factory, and Beach, plus side areas such as soccer-zone evolution content and occasional event worlds.
Which world has the shiny machine?
Farm World hosts the shiny pet machine.
Which world has the rainbow machine?
Bee World. Insert shiny pets and wait for the craft timer to finish.
Why am I stuck in Factory World?
Factory is a common wall. Rebirth hard, upgrade pets, farm wins in an easier world if needed, then return. Raw block requirements scale steeply here.
Do I need to finish every world in one session?
No. Unlock what you can, craft pets, rebirth, and continue later. Short sessions still advance percentage and crafts.
Where do I see new world additions?
Check the in-game update log after patches and read the Latest Update page on this wiki for obbies, eggs, and world notes.