Nitro Timing: Where to Spend Your Three Boosts
Nitro doubles your speed ceiling on a three-second sine curve — and roughly doubles your turning radius while it does. Knowing both halves of that trade is what separates a fast lap from a spectacular one.
You can carry three nitro canisters. Every race starts with one canister already in hand. Up to ten sit on the track, shared: every driver sees the same ones, and the one who drives over a canister banks it, so it disappears for everyone. Each is back once, 10 seconds after it is taken, on a tile 3 to 8 tiles behind the leading human, and then it is gone until the next race. Pressing Space spends one. That is the whole interface — and it hides a boost curve with sharper edges than it first appears to have.
What a boost actually does
A boost does not add a fixed amount of speed. It temporarily raises your speed ceiling, and it does so on a sine curve over exactly three seconds: up from 450, peaking at 900 at the halfway mark, then back down to 450.
| Time into boost | Speed ceiling | Notes |
|---|---|---|
| 0.00 s | 450 | Ignition — no instant kick, the curve starts flat |
| 0.50 s | 675 | Half the extra speed already available |
| 0.75 s | 768 | |
| 1.50 s | 900 | Peak — double normal top speed |
| 2.25 s | 768 | Decaying; you are still well above normal |
| 3.00 s | 450 | Boost ends, canister spent |
Two things follow immediately. First, the boost is symmetric — half of it is the wind-down, and that half is just as useful as the wind-up, provided you are still on a straight when it happens. Second, the ceiling is only a ceiling: you have to accelerate into it. Thrust falls away as you approach your current limit, so a boost ignited from a standstill spends most of its three seconds simply getting you to a speed you could have reached anyway.
Ignite when you are already at or near full speed and pointing at a long straight. A boost from 450 exploits the whole curve; a boost from 180 wastes the first second of it.
The cost nobody mentions: turning radius
Your steering rate is not constant — it scales with how close you are to your current speed ceiling, up to a maximum of 270° per second. Under boost, your speed climbs but so does the ceiling, so the ratio stays similar while your linear velocity doubles. The result is that your turning radius roughly doubles at the peak of a boost.
In practical terms: a corner you can comfortably take at 450 will run you wide at 825, into the wall at the edge of the dirt, which stops the truck or leaves it scraping along; and if you end up off the road, your ceiling drops to 270 and the remaining boost is suppressed entirely. The most expensive mistake in the game is a boost that is still running when you arrive at a corner.
How much straight do you need?
Track tiles are 360 units across. At normal top speed you cross one in 0.8 seconds. A full boost averages roughly 735 units per second over its three seconds, covering about 2,200 units — six tiles.
That is the number to hold in your head when you look at the day’s layout. The generator builds loops on a grid, so straights come in whole tiles:
- Six tiles or more: ideal. Ignite as you exit the previous corner once you are back up to speed, and the boost will have decayed to normal by the time you need to turn.
- Four or five tiles: good. Ignite slightly later so the peak lands in the middle, and lift before the corner — you will still be above normal speed at turn-in, so brake earlier than instinct says.
- Two or three tiles: marginal. You will be at 850-plus arriving at a corner with a doubled radius. Usually a net loss unless the following corner is gentle.
- One tile: never. You are paying a canister to arrive at a corner too fast.
Spending three across two laps
You hold a maximum of three canisters, and the track carries up to ten, so over a two-lap race you will typically get more than three chances to collect. Do not hoard. A canister you finish the race holding is a canister that did nothing, and while you are at the cap a pickup you drive over stays where it is: on the last lap, that is one you will never use.
The canister in hand at the start means the first long straight does not have to wait for a pickup: the screen flashes N2O! at GO, with the key or button that spends it. A reasonable default plan on a typical daily layout:
- Lap one: collect what is on your line, spend one on the longest straight you identified. You are still learning the layout, so keep a reserve.
- Lap two: spend on the same straight plus the second-longest, and everything left before the line. There is no prize for finishing with fuel in the tank.
Pickups sit on the racing surface, but not always on the fastest line. A canister is worth roughly a second of lap time when spent well. If collecting one costs you more than that in a compromised line — or worse, runs you into the edge of the dirt, as the track limits guide describes — drive past it.
Boost and multiplayer
In an eight-player lobby every human driver starts with the same one canister and carries the same three at most, and the pickups on the track are shared: a canister a rival takes is one you do not get. The computer drivers have no nitro at all. Positions are broadcast about twenty times a second. The practical consequence is that boosting to overtake mid-corner does not work: your radius doubles and you go around the outside of everyone, off the track. Overtakes come from boosting out of a corner earlier than the driver ahead, using the straight as the passing zone. More on lobbies in the multiplayer guide.
The track also holds three upgrade pickups, shared the same way.
Quick reference
- Every race starts with one canister in hand; three canisters maximum; up to ten on track at a time.
- Three-second sine curve, peak 900 at 1.5 seconds, back to 450 at 3 seconds.
- Needs roughly six tiles of straight to be spent in full.
- Turning radius roughly doubles at the peak.
- Suppressed while you are off the road; against the green edge, which is a wall, it keeps burning.
- Finishing the race with unspent canisters is a wasted second or more.
The other half of the speed equation is what happens when you stop going straight: cornering and braking technique.