Once Upon A Katamari as Large as Possible: Stage Guide, Tips, and Size Strategy

Master every Once Upon A Katamari as Large as Possible stage with size benchmarks, route tips, crown locations, and time-saving strategies.

Why Size Stages Are the Real Skill Check

Every stage in Once Upon A Katamari as Large as Possible mode asks the same brutal question: how much of this world can you swallow before the clock runs out? There is no boss to defeat and no switch to flip — just a rolling ball, a timer, and a final diameter that rewards players who plan ahead. That is exactly why Once Upon A Katamari as Large as Possible levels matter so much to completionists: they are the cleanest measurement of how well you actually understand the game's core loop.

This guide covers the size tiers, stage unlocks, crown locations, and routing habits that turn a nervous 15cm crawl into a screen-filling monster roll.

Unlike objective-driven levels that end the instant you grab one item, size stages grade you on how big you finish. Walkthroughs for the first of these stages put the pass bar at 15cm within a four-minute limit — a target that looks generous until you realize how much larger a well-routed run can get. The King's stated goal is a floor, not a ceiling.

Two habits wreck most attempts. The first is stalling in a low-density corner, vacuuming up candy and paper clips while the clock burns. The second is charging into a wall of objects that are still bigger than you, bouncing off furniture until time expires. Strong runs treat the map as a ladder: clear one rung, then climb.

Stage	Setting	How it unlocks	Main challenge
As Large As Possible 1	Opening world (first true stage)	Available from the start	Reach at least 15cm inside the 4-minute limit
As Large As Possible (Pond)	Pond	Story progression	Two crowns perched on a lilypad and a sandcastle
As Large As Possible 3	Edo Japan	Complete "Lots of Roses" and hold at least 30 Crowns	Long travel times between dense object zones
As Large As Possible 5	Later-world stage	Later story progression	Player experience reports unusually heavy objects and frequent stuck spots

Size Tiers: What Sticks and What Pushes Back

The core rule of any Katamari stage is relative scale. An object sticks if it is meaningfully smaller than your ball. Objects close to your size can be rolled over with momentum, and anything clearly larger acts like a wall until you grow past it. Learning to read that relationship at a glance is the single most valuable skill in the game.

The practical takeaway is that your route should always run downhill in difficulty. If you keep bouncing off benches, you are not "unlucky" — you are simply in the wrong zone for your current size. Back off, clean out a lower tier, and return.

Your katamari size	Objects that stick easily	Objects that fight back	Best move
Fingertip scale	Candy, erasers, insects, coins	Anything heavier than a shoe	Clear the floor in tight circles
Small (a few cm)	Cans, toys, cutlery, small plants	Chairs, bikes, poles	Work along walls and under furniture
Around 15cm	Small appliances, boxes, loose bricks	Benches, scooters, fences	Break into a new, denser zone
Mid-size	Bikes, cones, shrubs, small furniture	Cars, signs, small structures	Use dash to punch through clusters
Large	Cars, market stalls, trees, small buildings	Landmarks, terrain features	Sweep entire streets in one pass
Huge	Buildings, monuments, landscape	Almost nothing	Circle the map perimeter for maximum mass

Stage Notes for the As Large As Possible Series

Each entry in the series adds a wrinkle: a new setting, a new unlock gate, or a nastier object distribution. The notes below come from published walkthroughs and community discussion, so treat exact numbers as guidelines rather than gospel.

As Large As Possible 1 — The 15cm Test

This is the first genuine stage of the game and the one most players replay for crowns later. The clock is short, the map is small, and the object variety is deliberately limited. Your fastest growth comes from hoovering the ground floor completely before climbing to mid-tier props, then using the remaining time on larger furniture.

The Pond — Crowns on Lilypads and Sandcastles

Collectible guides list two crowns in the Pond version of the stage. One sits on a lilypad that you can only reach by rolling across the logs, and the other is perched on a sandcastle. Both are easy to miss if you treat the stage as a pure size run, so plan a line that passes through them naturally.

As Large As Possible 3 — Edo Japan and the 30-Crown Gate

This stage unlocks after you complete "Lots of Roses" and hold at least 30 Crowns, which means it doubles as a progress checkpoint. The Edo Japan layout is wide and scenic, with long stretches between dense clusters. Budget extra seconds for travel and resist the urge to sweep every empty street.

As Large As Possible 5 — Where the Difficulty Spikes

Community reports describe this one as a sharp turn away from the series' usual relaxing flow. Objects are heavier than they look, and there are numerous places to get wedged between props. Player experience suggests slower, more deliberate rolling beats aggressive dashing here — you lose more time to stuck spots than you gain from speed.

Route Planning: Turning Four Minutes Into a Giant Katamari

A size stage is a race with a soft map. Good routing means knowing which zones are dense, which are traps, and when to abandon an area. The framework below works for almost any timer length; scale the percentages to the clock you are given.

Phase of the clock	Share of time	Priority	Watch out for
Opening sweep	First ~20%	Vacuum the starting zone completely	Leaving mid-tier objects behind
Expansion	~20–50%	Move to a denser zone and size up	Dead ends lined with oversized props
Breakout	~50–80%	Hunt the large props that were walls earlier	Long, empty corridors
Final push	Last ~20%	Sweep one dense area and stay there	Crossing the map for a single object

A few rules of thumb:

Never backtrack for one item. If a detour costs ten seconds, you need it to be worth more than ten seconds of rolling elsewhere.
Dash on straights, not in crowds. Charging into clutter scatters objects you would have collected anyway.
Learn the quick turn. Reversing instantly in a tight alley saves more time than any single object is worth.
Watch your own silhouette. When your ball fills the screen, the map is telling you it is time to relocate.

Crowns, Cousins, and Presents Hidden in Plain Sight

Size stages are also collectible stages, and the two goals can conflict. Crowns, Cousins, and Presents often sit on ledges, rooftops, and out-of-the-way corners that cost you precious seconds. The trick is folding them into a route instead of treating them as a separate trip.

Collectible	Where it hides	Strategy
Crowns	Lilypads and sandcastles in the Pond stage; other elevated or off-route spots	Route through them mid-run rather than backtracking
Cousins	Corners, rooftops, and side areas	Roll over them whenever they sit on your path
Presents	Alleys, ledges, behind props	Grab them early — they are small and easy to pass

One trophy objective asks for every crown from As Large As Possible 1 and the equivalent "As Fast As Possible" stage, which usually means a dedicated collectible run after you have memorized both layouts. Doing that sweep at full size is painful; doing it on a fresh, small katamari is far more forgiving.

Habits That Keep Your Katamari Small

Most underperforming runs fail for the same handful of reasons. None of them are about reflexes.

Mistake	Why it costs you	Fix
Chasing every tiny object	Small props add very little mass per second	Move on once a zone is roughly clear
Fighting oversized objects	Bouncing wastes seconds and momentum	Treat them as walls and return later
Ignoring the dash	Slow travel means fewer total pickups	Charge and release on long straights
Saving crowns for a second run	Extra runs cost real time	Fold collectibles into your main route
Finishing in an empty corner	Nothing left to gain	End in the densest zone you can reach

Trophies and Completion Checklists

If you are chasing 100%, size stages carry more weight than their short runtimes suggest. Plan for repeat visits, and treat your first clear as a scouting trip rather than a final attempt.

Objective	Requirement	Practical tip
Crown sweep	Collect all crowns from As Large As Possible 1 and As Fast As Possible 1	Do a dedicated crown run once you know the layouts
Fifty-object challenge	Build the largest katamari you can using only 50 objects	Skip small props entirely; target the biggest reachable items
Series completion	Clear each size stage as it unlocks	Size up before hunting collectibles
Cousin roster	Roll over every hidden Cousin	Check rooftops and side alleys during size runs

The 50-object challenge is the most interesting of the bunch because it inverts everything above. Instead of maximizing pickups per second, you maximize mass per object, which means hunting the largest item your current size can handle and ignoring everything else. It is a completely different way to read the same map.

For official game details and series information, see Bandai Namco Entertainment's official site.

FAQ

What size do I need for As Large As Possible 1? Published walkthroughs list the goal as at least 15cm within the four-minute time limit. Treat that as the minimum — a clean route through the starting zone and the mid-tier props will push you well past it.

How do I unlock As Large As Possible 3? You need to complete the "Lots of Roses" stage and be holding at least 30 Crowns. Both requirements are checked together, so crown hunting and story progress feed the same gate.

Why is As Large As Possible 5 so much harder than the earlier stages? Player experience points to heavier-than-expected objects and plenty of geometry that traps your katamari. The community consensus is to slow down, avoid crowded corridors, and plan exits before you commit to a zone.

Do crowns count if I do not finish the stage? Most players report that collectibles register when you roll them up, but finishing the stage is the safe play — and in Once Upon A Katamari as Large as Possible stages, a crown route usually doubles as a solid size route anyway.