Mars Rally Championship, a free browser rally game, is listed first because it is ours, and it is a low-gravity, loose-surface physics experiment, not an asphalt drift simulator. On merit, the best drifting simulators are desktop games: Assetto Corsa for wheel-first realism and a scored Drift mode, CarX Drift Racing Online 2 for a sim built around drifting and tandem training, and BeamNG.drive for soft-body cars that bend. Gran Turismo 7 is the console benchmark.
In-game screenshot: free roam at sunset, the rover swinging sideways on the handbrake, its locked rear tire skidding through regolith; a sliding tire gains up to 35% sideways grip.
Try the Mars slide at /play, no download and no account.
Quick picks, one per use case:
- Most realistic with a wheel: Assetto Corsa.
- Built for drifting, online: CarX Drift Racing Online 2.
- Physics you can break: BeamNG.drive.
- Lightest real sim: Live for Speed.
- Console benchmark (console, for comparison): Gran Turismo 7.
- Free in a browser, tuning included: Drift Hunters MAX.
- Low-gravity, loose-surface physics: Mars Rally Championship, our game.
What makes a drift simulator realistic
Five things separate a drift simulator from a car game that lets you slide: a tire model that loses grip past a peak slip angle and lets you hold the car there, surfaces that change grip, assists you can switch off, a wheel with force feedback that tells you when the rear lets go, and scoring that judges angle, speed and line instead of only timing the lap.
A drift sim in the usual sense models rear-wheel-drive cars on tarmac and scores the slide. A rally slide on gravel or regolith is a way to make time, and loose ground pushes back sideways once a tire skids. For technique, see how drifting works in racing games.
What we compared: the tire model each game documents, the surfaces, the assists, wheel and force-feedback support, and how a drift is scored, from each developer's pages, store listings and manuals. Mars Rally Championship's details come from its own code. We did not test with a wheel; "not confirmed" means we could not confirm it. Last checked: October 2026. The inclusion rule: handling simulated from tire forces, with drifting something you manage. Drift Hunters MAX (browser sim-lite) and Gran Turismo 7 (console) are labelled comparisons.
Drift simulators compared: the physics matrix
Mars Rally Championship is first because it is ours; the rest are ordered by how much of a drift sim's physics they document.
| Game | Tire model | Surfaces | Assists | Wheel and force feedback | Drift scoring | Where and price |
|---|---|---|---|---|---|---|
| Mars Rally Championship Play | Per-wheel slip curve, peak near 10°, 480 Hz | Three Mars surfaces, grip about 2.2 to 3.6 m/s² | One handling: combined-slip ABS, traction control at 90% | Keyboard, gamepad, touch; wheel not tested | None; drift time counts toward two achievements | Browser, free |
| Assetto Corsa | Heat cycles, flat spots (Steam listing) | Tarmac circuits, laser-measured | Not confirmed | Yes; adjustable force feedback | Drift mode scores angle and speed | PC 2014, PS4 and Xbox One 2016; paid |
| CarX Drift Racing Online 2 | Not documented | Six maps, some from licensed real tracks | Not confirmed | Store listing recommends a wheel with force feedback | Ranked duels, tandem training | Windows, Early Access, $24.99 |
| BeamNG.drive | Soft-body, about 2,000 updates a second (BeamNG's figure) | Not confirmed | Not confirmed | Not confirmed | Drift mode with drift zones | PC; paid |
| Live for Speed | Not documented | Road and rallycross in the free demo | Not confirmed | Not confirmed | Not confirmed | PC; free demo, paid licences |
| DRIFT21 | Not documented | Ebisu, a Polish track, stadium arenas | Not confirmed | Gamepad and wheel (pre-launch coverage) | Not confirmed | PC, launched at $24.99 in 2020 |
| Gran Turismo 7 (console, for comparison) | Not documented | Circuits; drift needs a rear-wheel slide | Traction control off advised for drifting | Not confirmed | Drift Trial: points from drift angle and more | PS4, PS5; paid |
| Drift Hunters MAX | Not documented | 13 tracks, endless street mode | Not confirmed | Not confirmed | Drift points, Drift Attack | Browser, free; VIP sign-up |
"Not confirmed" means the developer does not say and we could not test it.
Diagram: the physics matrix filled in. Only three of the eight games document a tire model, and six leave their assists unconfirmed.
The drift simulators, ranked by physics
1. Mars Rally Championship: a low-gravity, loose-surface physics experiment
Our game, listed first for that reason. This is Mars Rally Championship's own site; everything below it is ranked on its merits.
You drive a 3,000 kg all-wheel-drive rover at 3.72 m/s² of gravity, 38% of Earth's. Each wheel has a Pacejka-style tire model with sideways force peaking near 10° of slip, stepped at 480 Hz, over three surfaces: regolith (total grip about 3.1 m/s²), hardpack (about 3.6) and polygon ground (about 2.2).
Only the handbrake locks wheels, and it locks the two rear ones, so the rover pivots. A tire sliding sideways ploughs a wedge of regolith and gains up to 35% sideways grip, which is why a slide bites on loose ground. Past the peak, tire force settles near 92% of peak from about 15°, so a held slide stays catchable. Drift time is logged above about 14° of slip and 29 km/h, on stage runs only.
The limits are real. This is not an asphalt drift sim. There is one rover and no tuning garage, only cosmetics. There is no drift score, no drift meter and no drift competition: stage results rank finish time only. Online rooms have no car-to-car collisions, three stages are drivable, and a steering wheel is untested.
Play free — no download2. Assetto Corsa: the wheel-first sim with a scored Drift mode
Assetto Corsa, from Kunos Simulazioni, was fully released on Steam on 19 December 2014 and reached PS4 and Xbox One in August 2016. Its Steam listing describes tire flat spots and heat-cycle effects such as graining and blistering. A community walkthrough describes a Drift mode scoring angle and speed, and much of the drift scene uses community-made cars and tracks. We could not confirm its assists or a current price.
3. CarX Drift Racing Online 2: a sim built only for drifting
CarX Drift Racing Online 2 entered Steam Early Access on 7 May 2026 at $24.99, with six maps, tandem drift training, ranked duels, up to 16 players online and tuning for suspension, gearbox and ECU. The developer says profiles will be wiped at least once before a full release expected at the end of 2026, with consoles later. Its tire model is not publicly documented, and its store listing recommends a wheel with force feedback.
The 2017 original is cheaper and lighter, and also ships on PS4, Xbox One and Switch; a December 2022 update overhauled its car physics.
4. BeamNG.drive: soft-body physics with a drift mode
BeamNG says it simulates each soft-body vehicle, built from nodes and beams, about 2,000 times a second, so cars deform and handle differently after a hit. Version 0.35 added seven drift zones and overhauled drift scoring. It is a sandbox first, and its drift scoring has changed from version to version.
5. Live for Speed: the veteran sim with the lowest floor
Live for Speed is an independent PC sim whose free demo has no time limit: three cars, a road track and a rallycross track. An S3 licence unlocks more, and the latest patch we found is 0.7G from August 2025. A third-party listing gives a minimum spec of a 1 GHz class CPU and 128 MB of RAM. We could not confirm its tire model, wheel support or drift scoring.
6. DRIFT21: a dedicated drift sim with a parts catalogue
DRIFT21, from ECC Games and published by 505 Games, launched in Steam Early Access on 7 May 2020 at $24.99 and reached version 1.0 in June 2021, with 12 licensed drift cars and more than 1,900 parts. We could not confirm its current price or development status in 2026.
7. Gran Turismo 7 (console, for comparison): Drift Trial scoring
Gran Turismo 7 launched on 4 March 2022 for PS4 and PS5; we found no official PC version. Its manual describes Drift Trial as a single-lap mode where points build once the rear wheels slide through a corner, with drift angle against the normal-grip line as the first criterion. Front-wheel-drive cars are not suitable, and it suggests traction control off.
8. Drift Hunters MAX: the browser sim-lite
Drift Hunters MAX is a free browser rebuild from drifted.com, announced in April 2022 with the original creator. It has 39 cars from a free AE86, performance and suspension tuning, 13 tracks and a Drift Attack mode judged on timers and clipping points. Its tire model is undocumented. For the wider browser field, see games like Drift Hunters.
Asphalt drift or loose-surface slide: what changes in the physics
On tarmac, a drift sim's rear-wheel-drive car holds a slide with throttle. Mars Rally Championship cannot copy that: its tires have no wheel-spin model, and traction control holds each tire at 90% of its own grip under full throttle. The handbrake starts the slide instead, and the steering lock, 49° at low speed but about 20° above 27 km/h, opens back to full with the handbrake or once the rear slides.
Loose ground adds what asphalt does not. Once a tire slides, regolith gives up to 35% more sideways grip, starting near 11° of slip and full by about 34°; polygon adds 20% and hardpack 6%. With the rear past about 26° of slip, steering into the slide on more than 30% throttle shifts up to 20% of the rear drive to the front wheels, and the front axle pulls the rover out.
Diagram: a tarmac drift car drives only its rear wheels; the rover sends 35% forward, and countersteering on throttle moves up to 20% of the rear's share too.
With a grip budget near 3.1 m/s², the yaw rate caps at about 6° a second at 100 km/h: corners are planned, not flicked. The Proving Ground tutorial teaches the handbrake pivot and catching the slide with countersteer and throttle. The engineering is in the per-wheel tire model at 480 Hz.
Can you trust a drift sim's leaderboard?
Mars Rally Championship records each run's controls once per physics step as an input tape, and the server re-simulates every submission before the time is posted. Replaying a tape reproduces the run bit for bit, and a checksum of the whole sim state every second proves it. A tape that fails the check is refused.
Screenshot: the global leaderboard; every time on it was re-simulated from its input tape before it posted, and REPLAY rebuilds the run from it.
Any run on the Stage 2 board can be watched, rebuilt from its inputs, with REPLAY on its row; the mechanics are in ghost replays and deterministic physics. We did not find the desktop sims' online leaderboards documented the same way, which is a gap in what they publish, not a claim about how they work.
Wheel, pad or keyboard: what each sim supports
Assetto Corsa and CarX Drift Racing Online 2 are wheel-first, and CarX's store listing recommends force feedback. We could not confirm BeamNG.drive's wheel details, and Gran Turismo 7's are outside our sources.
Mars Rally Championship plays on a keyboard, a standard-mapping gamepad or touch. Keyboard and touch brakes are all or nothing; a gamepad trigger can feather. The pad's steer deadzone is 0.10 and its steer curve exponent 1.6. A steering wheel is not tested. For PC prices and specs, see best drift games for PC.
Where to try this
Start with the free browser game and the tutorial. For rally physics closer to simulation, read the most realistic rally game; for driving physics in a tab, the best physics-based driving games. The full genre list is in best drifting games.