What do the red gates do?

Red gates carry −10 or ÷2 and shrink your army, so always favour the green ×/+ side unless it is the only gap.

How does the boss fight work?

At the end your whole army charges a boss horde; you win if even one runner survives the clash, so arrive as large as possible.

Is Cosmic Brigade Run free to play?

Yes — it is completely free, runs in your browser with no download or sign-up, and works on phones, tablets and desktops.

Does it work on mobile?

Absolutely. Drag your thumb to steer the crowd; the lane, gates and boss clash are all tuned for portrait touchscreens as well as keyboard.

🪖 Cosmic Brigade Run

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Every run starts with a nervous dozen runners and the promise of an army, if you read the lane right. In Cosmic Brigade Run you command a crowd of runners pouring down a star-strewn cosmic causeway drifting through the void, a gate run where a gate-multiplier dash where every fork doubles or dooms your army. You drag a swarm of little runners down a scrolling lane lined with paired operator gates. Each fork offers two choices — ×2, +20, −10 or ÷2 — and you must steer the whole crowd through the one that grows your numbers fastest. Read the maths in a split second, because the lane never slows and a greedy wrong turn can halve your hard-won army in an instant.The aim is simple to state and hard to do: thread the best gate at every fork, smash the barriers, and storm the boss horde with the biggest army you can muster. Every barrier you ram trades a few runners for passage, so a fat army is also your battering ram.Touch, mouse and keyboard all feel native, and the whole thing runs free in your browser with nothing to install.Cosmic Brigade Run plays twitchy and reflex-driven across a star-strewn cosmic causeway drifting through the void — pace yourself and the space gate run turns from chaos into clockwork. Whether you want one round or twenty, Cosmic Brigade Run keeps every space attempt feeling fresh. Press Play, beat your best, then challenge a friend with one tap.

How to play

Press Play to open Cosmic Brigade Run, set across a star-strewn cosmic causeway drifting through the void.
At each fork, pick the green gate that multiplies or adds the most.
Watch for space visual beats around a star-strewn cosmic causeway drifting through the void; they punctuate scoring, not danger.
Avoid the red ×÷ traps that shrink your army.
Stay sharp: crash your crowd through brick barriers and enemy mobs.
Then, reach the finish and overwhelm the boss horde to win.
Chase a fresh record — every space gate run you finish is saved on your device and posted to the global leaderboard.

Controls

Drag left and right to steer your crowd (or use the Left/Right arrow keys or A/D), and tap Play or Space to launch the run. Everything is tuned for the cosmic space setting, so it plays clean with one thumb on a phone or arrow keys on desktop.

Features

Two-choice operator gates that turn split-second maths into instinct
A crowd that visibly swells and shrinks with every decision
Brick barriers and enemy mobs that whittle a careless army
A climactic boss-horde clash that scales with your distance
Local best-army saving so every run chases your record
XP, levels, achievements and a daily streak that carry across every space gate run
A hand-tuned cosmic atmosphere that makes Cosmic Brigade Run look and feel distinct