Mission Log
Guides, technique, and engineering notes from the red planet's only rally championship.
Rally Pace Notes Explained: How the 1-6 Corner System Works
Rally pace notes explained — what the 1-6 corner numbers mean, why some teams count backwards, and how a browser rally game derives its notes automatically.
Read the dispatch LOG · September 6, 2026Browser GamingFree Multiplayer Racing Games You Can Play With Friends in a Browser
Multiplayer racing games in the browser, ranked by how fast a group gets racing — invite links, no download, no account, and contact vs ghost racing.
Read the dispatch LOG · September 6, 2026Mars ScienceRocker-Bogie Suspension: Why Every Mars Rover Uses It
Rocker-bogie suspension explained — six wheels, two rocker arms, one differential, and no springs at all. Why NASA has used it since 1997.
Read the dispatch LOG · September 6, 2026GuidesEvery Mars Rally Championship Achievement, Including the Hidden Ones
All 26 Mars Rally Championship achievements — what each one asks, what it pays, and how to unlock the five hidden ones without wasting a session.
Read the dispatch LOG · September 6, 2026Browser GamingDaily Games Beyond Wordle: Browser Games With a New Challenge Every Day
Daily games like Wordle, past word puzzles — geography, music, film, chess and racing dailies, and what makes a daily challenge actually work.
Read the dispatch LOG · September 6, 2026Browser GamingRacing Games for Chromebook That Actually Run (Free, No Install)
Racing games for Chromebook that actually run — what integrated graphics can handle, ranked by weight class, and how to tune the heavy ones.
Read the dispatch LOG · September 6, 2026Mars ScienceMars Dust Storms, Explained (And What They Do to a Rover)
Mars dust storms explained. The wind is too thin to knock you over, but the dust blocks the sun, kills solar rovers, and turns a rally stage to whiteout.
Read the dispatch LOG · September 6, 2026Browser GamingGames like PolyTrack and TrackMania you can play in a browser
Games like PolyTrack and TrackMania, scored on five things — short tracks, instant restart, medals, ghosts, and a track editor. Eight picks, honest marks.
Read the dispatch LOG · September 6, 2026Browser Gaming11 Best Free Browser Racing Games (No Download)
The best browser racing games you can play free with no download — what each one is actually for, and who should skip it.
Read the dispatch LOG · September 6, 2026Browser GamingThe best Mars games you can play online: rovers, rally, and colonies
Mars games online, sorted by what you actually want — NASA rover games, mission sims, colony builders, and free browser rally with no download.
Read the dispatch LOG · September 6, 2026Browser GamingBest Physics-Based Driving Games You Can Play in a Browser
Most physics-based driving games only let the car flip. Here is how the best browser racers really model tires, suspension, and damage.
Read the dispatch LOG · September 6, 2026GuidesSupply Crate Odds, the Pity Timer, and Every Paint in the Garage
The real Mars Rally garage crates odds — 3% legendary, a 12% upgrade roll, a pity timer, duplicate refunds, and all 21 cosmetics, straight from the code.
Read the dispatch LOG · September 6, 2026Tech & EngineeringGhost-Style Multiplayer: Racing 8 Players With No Collisions
Browser multiplayer racing netcode without collisions — a Colyseus relay, 15 Hz transforms, 150 ms interpolation delay, and what the trade actually costs.
Read the dispatch LOG · September 6, 2026Tech & EngineeringA Per-Wheel Tire Model in JavaScript, Running at 480 Hz
How a car physics simulation in JavaScript grew from a steering multiplier into four load-sensitive tire contacts solved at 480 Hz.
Read the dispatch LOG · September 6, 2026Browser GamingThe Best Free Rally Games You Can Play Online Right Now
Rally games online free in a browser, sorted honestly — which have pace notes and timed stages, and which are free roam with a rally skin.
Read the dispatch LOG · September 6, 2026Mars ScienceHow high could you actually jump on Mars?
How high can you jump on Mars? About 2.6x your Earth height, so roughly 1.0-1.3 m, with 2.6x the hang time. The honest arithmetic, and the catch.
Read the dispatch LOG · September 6, 2026Mars ScienceWhat Phobos and Deimos Look Like From the Surface of Mars
Phobos and Deimos from the Mars surface: a small grey disc that rises in the west twice a day, and a moon that reads as a very bright star.
Read the dispatch LOG · September 6, 2026Mars ScienceBraking Distance on Mars vs Earth: The 165-Metre Problem
Braking distance on Mars is about 165 m from 100 km/h against 56 m on Earth gravel. The worked physics, a full table, and why mass cancels.
Read the dispatch LOG · September 6, 2026Tech & EngineeringHow I Built a 3D Mars Rally Game With AI Coding Agents
What it actually takes to build a game with AI coding agents — 291 commits, 54 agent-branch PRs, the guardrails that held, and the things that went wrong.
Read the dispatch LOG · September 6, 2026Mars ScienceWhat Would It Actually Be Like to Drive a Car on Mars?
Driving on Mars means 38% gravity, a 2.6 m/s² grip budget, no downforce at any speed, and 165 meters to stop from 100 km/h. The physics, system by system.
Read the dispatch LOG · September 6, 2026GuidesHow to Play Browser Racing Games With a Controller
Browser games controller support explained — press a button to wake the Gamepad API, pair over USB or Bluetooth, and tune deadzone and steer curve.
Read the dispatch LOG · September 6, 2026Tech & EngineeringSimulating Vehicle Damage in a Browser Game Without Killing the Frame Rate
A vehicle damage simulation a game can afford in a browser tab: four HP pools, an energy-based impact curve, and damage wired into handling.
Read the dispatch LOG · September 6, 2026Tech & EngineeringBuilding a 3D Rally Game in Three.js With No Build Step
How I ship a Three.js racing game with no bundler — import maps, a vendored engine, shared mutable state, and the cache headers that make it work.
Read the dispatch LOG · September 6, 2026GuidesHow to Get Faster at Rally Games: 9 Techniques That Actually Work
How to get faster at racing games — nine rally driving techniques for traction, braking, exit speed and ghost analysis, measured under Mars physics.
Read the dispatch LOG · September 6, 2026GuidesPlaying a 3D Rally Game on Your Phone, Straight From the Browser
How to play a 3D racing game in your phone browser — touch controls, landscape lock, and adding a browser game to your home screen as a PWA.
Read the dispatch LOG · September 6, 2026Mars ScienceAerodynamics on Mars: why downforce is impossible
Mars atmosphere density is about 0.020 kg/m³, roughly 1.6% of Earth's — so wings do nothing, drag nearly vanishes, and only tire grip is left.
Read the dispatch LOG · August 9, 2026Tech & EngineeringGhost Racing, Explained: Replays You Can Trust and Race
How ghost racing works in Mars Rally Championship: deterministic physics, honest 30 fps replays, rival ladders, and challenge links that share your exact run.
Read the dispatch LOG · August 9, 2026GuidesThe Daily Challenge: Seeds, Streaks, and Freezes
How the Mars Rally daily challenge works — seeded stages, streak freezes, milestone crates, comeback supply drops, and the share card built for group chats.
Read the dispatch LOG · August 9, 2026GuidesStage 1 Racing Line: The Fastest Way Through The Opener
A call-by-call racing line for Stage 1 of Mars Rally Championship — every real pace note, plus the medal pars from bronze at 2:09 to the 1:04.0 Author time.
Read the dispatch LOG · August 9, 2026Tech & EngineeringHow 3.72 m/s² Gravity Changes Rally Driving
Mars pulls at 3.72 m/s² — 38% of Earth's gravity. What that one number does to braking, cornering, jumps, and downforce in a physics-first rally game.
Read the dispatch LOG · July 10, 2026GuidesHow to Drive on Mars: A Low-Gravity Rally Primer
Braking points, airtime, landings, and regolith drifts — a technique guide to low-gravity rally driving at 0.38 g in Mars Rally Championship.
Read the dispatch LOG · July 10, 2026Browser GamingWhat Makes a Great Browser Racing Game in 2026
The five standards a browser racing game must hit in 2026 — and an honest look at how Mars Rally Championship measures up on each.
Read the dispatch LOG · July 10, 2026Browser GamingPlay a Rally Game Online — No Download Required
Mars Rally Championship is a free 3D rally game you play online — no download, no signup, no install. How browser racing got this good.
Read the dispatch LOG · July 10, 2026GuidesThe Complete Beginner's Guide to Mars Rally Championship
Every Mars Rally Championship tip a new pilot needs: controls, gears H/D/L, driving at 0.38 g, first medals on Stage 1, and the daily crate economy.
Read the dispatch LOG · July 10, 2026Tech & EngineeringBit-Exact Ghosts: Why Deterministic Physics Matter
How fixed substeps, seeded terrain, and recorded inputs make Mars Rally Championship's ghost replays bit-exact — and why most games can't do it.
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