A mini 4WD career racer where setup is everything — no driving once the race starts. 75 parts mapped to real physics (no fake buffs), 9 AI rivals playing by exactly your rules, an F1-style 8-round season with sponsors, paddock drama and post-race brawls. Tune, watch, learn, win.

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About This Game

Once the light goes green, all you can do is watch (and put your car back on the track when it flies off). The race was already won — or lost — in your garage.

Redline Rookie is a career racing game about pre-race engineering — a love letter to the mini 4WD hobby. No throttle, no steering, no fake "boost button". Your only weapon is the setup you built before the start line.

Setup Is Everything

  • 10 slots × 75 parts: motors, gears, treads, wheel hubs, guide rollers, chassis, batteries, shells, wings and roller stays
  • Every part maps to real physics — torque curves, drivetrain efficiency, rolling resistance, roller friction, center of gravity, voltage sag. No fake stat buffs.
  • The garage shows live derived stats and deltas: top speed, acceleration, per-corner stability margin, total weight

Physics You Can See

  • Practice telemetry: speed-vs-distance curves, per-corner minimum speeds, motor temperature and battery voltage, ghost comparison
  • The stability index S decides everything: under 0.85 you're solid, 0.85–1.0 is dancing on a knife edge, S≥1 means flying off the track
  • The speed-vs-stability tension isn't hand-tuned numbers — it emerges from a 240 Hz physics simulation

Nine Rivals, Zero Rubber-Banding

  • 9 AI drivers with personalities: the reckless speed demon, the steady veteran, the gifted rookie, the rich kid with deep pockets…
  • They run your exact physics, shop in your exact store, and grow on real budgets across the season
  • When the speed demon overcooks a corner, he really does fly off

Settle It in the Paddock

  • Lost, and still mad about it? Call out the race winner in the paddock for a 25-second fistfight. Left click punches, right click guards, and a guard timed just before their punch lands is a parry.
  • The loser gets a part smashed off their car (two on a KO), pays for the repairs and waits a race to get it back
  • Win, and the champion starts the next round on the cheapest spare in the shop. Lose, and it's your car that gets smashed.

A Career With F1 Bones

  • 8-round season, F1 scoring, lane picks in reverse championship order — backmarkers choose first
  • Sponsor objectives, prize money, parts unlocking in waves — a proper arms race
  • Transfer offers, paddock drama events, post-race headlines: your season tells its own story

Deterministic Simulation

  • Fixed-step 240 Hz physics: same seed + same setup = identical result, frame for frame
  • When you lose, it's not luck. Find the missing 0.3s in the telemetry, fix the setup, go again.

Simplified Chinese / English.

Redline Rookie is an independent game, not affiliated with, sponsored by, or endorsed by TAMIYA. "Mini 4WD" is used descriptively to refer to the hobby genre; all vehicles and parts are original designs.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

Fully procedural art & audio.

System Requirements

    Minimum:
    • OS: Windows 10 64-bit
    • Processor: Dual-core 2 GHz
    • Memory: 4 GB RAM
    • Graphics: Integrated graphics with WebGL 2 support
    • Storage: 500 MB available space
    • Additional Notes: Requires the Microsoft Edge WebView2 Runtime. Most Windows 10/11 PCs already have it; if yours doesn't, it installs automatically on first launch (internet connection required).
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