Potato Please Best Knife: Steel vs Rusty

The best knife in Potato Please is the Steel Knife. It costs $2.70, cuts cleaner than the $0.30 Rusty Knife, and pays for itself in one or two sacks. Buy it in the first shift and do not switch back.

The knife choice is small compared with the machine upgrades, but it is the first decision that affects every potato. A clean cut preserves the streak, reduces waste, and makes the manual phase shorter. The Steel Knife is not a luxury; it is the cheapest throughput upgrade in the game.

What is the best knife in Potato Please?

The Steel Knife. The terminal lists it at $2.70, which is less than six clean potatoes at the base value. The Rusty Knife costs $0.30, but its rough cuts remove more flesh and break the peeling rhythm.

The Steel Knife is not faster in raw animation speed. Its value is in accuracy: fewer deep cuts, less waste, and a steadier streak. In a game where waste has two costs, accuracy is speed.

Why is the Rusty Knife a trap?

The Rusty Knife is a trap because it is cheap enough to ignore. A new player sees $0.30, buys it, and assumes the knife slot is solved. Then every potato loses extra flesh and the payment is lower than expected.

The $0.30 price is also a signal. It is the starting tool, not an upgrade. The Steel Knife at $2.70 is the first real purchase. The difference is small in absolute money but large in the first hour, when every sack matters.

If you are already deep into a run with the Rusty Knife, buy the Steel Knife at the next terminal visit. There is no downside and no reason to wait for a machine.

Does the knife affect machine output?

No. The knife is a manual tool. Once the Auto Peel Machine is running, the knife matters only when you are peeling by hand or cleaning up a potato the machine missed.

That does not make it useless. The manual phase is a real part of the run, and the Steel Knife makes it shorter. It also helps when you are waiting for a machine to finish and want to process a few potatoes yourself.

Do not buy a second knife thinking it stacks. The terminal sells one Steel Knife upgrade. The knife slot is binary: Rusty or Steel.

How do you peel without waste?

The reliable technique is short strokes, not long shavings. Long strokes feel faster, but they dig deeper when the potato curves. Short strokes follow the surface and keep the peel thin.

Hold the cut until the peel separates, then release and reposition. The game counts a clean potato when the skin is removed, not when every blemish is gone. Chasing a perfect potato is a waste of time.

The tremor setting matters here. If your character's hands shake, the cut wanders. The Tremor Treatment upgrade in the log reduces the shake. It is not a knife upgrade, but it makes the Steel Knife easier to use.

When should you buy the Steel Knife?

Buy it in the first shift, after Carry Capacity if you can only afford one. If you have $3, buy the Steel Knife first; it is cheaper and affects every potato. If you have $250, buy Carry Capacity first because the opening is limited by walking.

The order is:

1. Carry Capacity if you can afford it.
2. Steel Knife at $2.70.
3. Kitchen Table at $12.
4. Crank Peel Machine at $20.

The Steel Knife stays relevant until the machines take over. Even then, keep it equipped for cleanup and for the manual achievements.

Does the knife matter for achievements?

Two achievements require manual peeling: Old School for 500 hand-peeled potatoes and These Hands Were Made for Peeling for 1,000. The Steel Knife makes both less wasteful, but it does not change the count.

A Thousand Peels counts hand or machine peels, so the knife is optional for that one. Ten Thousand counts total potatoes, so machines are the faster route.

If you are chasing the manual achievements, use the Steel Knife and a comfortable tremor setting. The limit is time, not skill. For the full purchase order around it, the best tools → page puts the knife next to the table and machines.

FAQ

Is the Steel Knife worth $2.70?

Yes. It is less than six potatoes and it reduces waste on every manual peel. Buy it in the first shift.

Can you upgrade the knife again later?

The 1.0.1 terminal lists two knife purchases: Rusty and Steel. There is no third knife tier in the current build.

Does the knife help with machines?

No. Machines peel on their own. The knife helps manual peeling, cleanup, and the manual achievements.

What is the best knife for Hard mode?

The Steel Knife, because Hard mode removes peeling tolerance. Cleaner cuts matter more when mistakes are punished.

Official source: Potato Please on Steam ↗

Official source: Hotfix 1.0.1 ↗

The Steam achievements page ↗ shows the unlock rate for the manual-peeling achievements. The discussions hub ↗ has player reports on knife feel after the tremor setting was added.