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IdleRevs
IDLEREVS

Free idle racing game in your browser. Build them. Tune them. Race them.

IdleRevs is a free idle racing game you play in your browser. Build a garage of cars, tune each one for the track, and start automatic races that earn rewards while you’re away. Test your setups, improve your lap times, and compete in weekly events.

No download or sign-up. Create a free account any time to keep your garage.

By playing, you agree to the terms and privacy policy.

BUILD

WIN BUILD PARTS. ASSEMBLE CARS. GROW YOUR GARAGE.

Build parts are earned through races, weekly competitions, and progression. Each car needs its own set of build parts before it can join your garage, unlocking new ways to attack future tracks and leaderboard events.

Race for new builds

Every race can move your next garage project closer to the road.

Assemble new cars

Finish a build and add a new racer to your long-term garage.

Read the cars and garage guide
IdleRevs garage build screen showing car image, component slots, parts, identity, mastery, and performance stats
TUNE

TUNE EACH CAR FOR THE TRACK AHEAD.

Adjust power delivery, gear setup, and suspension setup for each track. Test your setup in a race and use driver feedback to decide what to change next.

Power delivery and gear setup balance low-speed pull, high-speed pull, acceleration, and top speed. Suspension setup balances corner grip and agility. The best settings depend on the track, and a change that helps one section can cost time in another.

Try a setup, run the track, and use driver feedback to choose your next adjustment. Weekly events reveal road clues as the community explores, and your run log helps you compare changes.

Read the tuning guide
50
← Low-speed pullBalancedHigh-speed pull →
50
← AccelerationBalancedTop speed →
50
← Corner gripBalancedAgility →

Explore the tradeoffs here. In the game, complete a run to get driver feedback.

SIMULATE

Every lap follows the road.

Your car accelerates, brakes, and corners through each section of the track. Speed carries into the next section, and the car must slow down when the road demands it.

Power delivery and gear setup shape acceleration and top speed. Suspension balances corner grip and agility. A setup that gains time on a straight can lose it through the bends.

Each completed lap is simulated with your car and setup. Driver mistakes can cost time, so compare several runs when testing a change.

Explore the racing simulation
Example simulated lap
First bendHolding speed

Speed

85km/h

226 / 1103 m

Illustrative lap based on the game simulation, with smoothed braking. Playback runs at 3× speed.
Race

Master permanent tracks.Solve weekly events.

Choose a car and track, prepare your setup, and start a race queue. Your car races automatically, with rewards added as races finish. Permanent tracks let you test changes and work toward better times.

Weekly events change the question: early-week scouting reveals the course, then weekend competition turns it into a leaderboard chase.

Read the racing guide
Live now
Ends 2026-11-01

Times are in your time zone.

Black Mask

Traffic has cleared from the closed access roads. Scout this week's course, compare observations, and prepare for timed competition.

4.6 km
•Halloween Haunt
Weekly event phase

Scouting

Early week

Competition

Late week

Time to chase

2:24.5848

The fastest submitted run in this week’s event.

LEARN

Review each run. Come back faster.

Every run leaves clues. Compare times, setup changes, and short run notes, then spot patterns, form a theory, and try a smarter setup next attempt.

See what the run revealed

Short post-run notes hint at what helped, what struggled, and what might be worth testing next.

Learn what the track rewards

Reveal useful hints about the track without exposing the full answer.

Turn each run into a smarter test

Use what you learn to choose better cars, parts, and setups over time.

Understand race results
Run Log

Recent runs for this car on this track.

Best For This Car

0:42.1830

Logged Runs

4

0:42.1830vs prev-0.4170svs best+0.0000s
Best

Tune setup

Delivery

82%

Gearing

76%

Suspension

68%

Run stats

Acceleration

85

Peak speed

183 km/h

Grip

78

The car carried good speed on the straights

0:42.6000vs prev-0.1050svs best+0.4170s

Tune setup

Delivery

80%

Gearing

74%

Suspension

68%

Run stats

Acceleration

85

Peak speed

183 km/h

Grip

78

The car was nearly there out of corners

UPGRADE

Strengthen cars and parts over time.

Queued races can earn rewards while you are away. When you return, use those rewards to upgrade parts, improve components, and work toward your next car.

Part upgrades

Improve the parts that define your best builds.

Component growth

Strengthen key systems across your cars.

Idle progression

Return to a garage with more options than when you left.

Read the parts and rarity guide
IdleRevs upgrade screen showing an Alpine 199 Turbo '19
COMPETE

Compete with other players on the leaderboards.

Race for faster track times, take on weekly events, and earn reputation for yourself and your car club. Choose the standings you want to climb and keep working on your next result.

Track leaderboards

Improve your best times on permanent tracks and compare runs within each car class.

Weekly events

Scout a new track, prepare your car, and chase a faster time before competition closes.

Player reputation

Earn reputation through racing and weekly events to climb the player rankings.

Club rankings

Join a car club and contribute to its total reputation alongside other members.

Read the weekly event guide
Reputation standings

Top 5

Player standings

Loading standings…

Start your garage.

Build your first car, tune it for the next track, and start climbing the IdleRevs leaderboards.

By playing, you agree to the terms and privacy policy.