Rule Mobile presents · Original browser racing game

Before 1, there is 0.

Choose a spacecraft, set its look and handling, then take a timed one-lap challenge in your browser. This is the first playable F0 milestone; the full race is still in development.

Play F0 FoundrySee what comes next
Play in your browserFour control optionsFull race in development
1 lapTimed challenge
3 machinesOriginal spacecraft
5 liveriesColor choices
3 profilesHandling styles

Play now

One machine. One lap. Your result.

Foundry gives you a complete first challenge: choose, race, finish, and try again. The full F0 race is still being built.

Foundry · Playable now

Build your machine. Chase your best lap.

Pick from three original spacecraft, five liveries, and three handling styles. Use boost and recharge zones to chase a better time.

Play F0 Foundry
Choose your craftMachine, color, and handling choices are ready.
Race your wayUse keyboard, pointer, touch, or gamepad controls.
More F0 aheadThe full race, creator tools, and F0 v0.1 come next.
An original F0 machine approaching the Foundry systems-trial start line with energy and boost telemetry visible
Playable now

F0 Foundry · Milestone 01

Make it yours. Then make it move.

Choose the craft, color, and handling style that fit you. Launch into a timed lap and see how your decisions feel at speed.

Play F0 FoundrySee what comes next

Latest transmission · 2026-08-16

F0 Foundry is ready to play.

Choose a machine, take a timed lap, see your result, and try again.

GameplayPlayable now

Three original spacecraft enter the Foundry.

Choose your livery and handling style, then put the machine to work in a one-lap challenge.

Read the update →
Archive2024

F0’s documented history reaches back to 2024.

Early planning and visual exploration came before today’s public browser builds.

See the early milestone →

Meet the grid

Pilots, machines, and tracks take shape together.

Every reveal is marked as a concept, prototype, or playable feature, so you can see what is real now and what is still being built.

Pilot · concept

Mika Vonn

Prototype roster record. Biography, visual identity, and canon role are still in development.

Full reveal coming later
Machine · prototype

Aster Spear

An original lightweight racer tuned for speed over grip. Its handling will keep evolving with the race.

Garage page in development
Circuit · prototype

Solar Loop

An early high-speed circuit built to explore banking, hazards, and readable racing lines.

Circuit page in development

What comes next

One great race before everything else.

Live means you can try it now. In progress means the team is working on it. Future ideas stay clearly marked.

Playable now Live

  • Choose, race, finish, and try again
  • Three spacecraft, five liveries, three handling styles
  • Timed one-lap result
  • Keyboard, pointer, touch, and gamepad controls
  • Early machine and track-building tools

In progress Next

  • Stronger handling and checkpoint rules
  • Creator tools connected to the playable game
  • Pause and full sound controls
  • Wheel, pedal, racing-rig, and live-data testing
  • Wider browser, device, and accessibility testing

Future ideas Later

  • Pilot identity and garage
  • Ghost competition
  • Phone companion and pit crew
  • Broader public hardware compatibility
  • Live leagues and events
Read the full roadmapFollow development