Also level-based and momentum-driven, but far more precise and much shorter per attempt.
Run 3 — gravity-shifting tunnel runner, free online
Left / Right — move sideways
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How to play
Run forward automatically, using left and right to move and Space to jump. Stepping onto a side surface rotates the whole tunnel, which is both the main mechanic and the main way to save a doomed run.
Left / RightMove sideways
Space / Up arrowJump
Down arrowPause (in some builds)
DriftBoss Tips
01Falling into a gap is optional. Rotate onto a wall instead of trying to jump every hole.
02Look at the tunnel shape ahead, not at the tile under your feet.
03The Runner is easiest to learn; the Skater carries speed but slides into holes.
04In Explore mode, a failed level still unlocks the route — keep pushing forward.
More games like this
The gravity-flip idea on a single button, without the map or the story.
If the appeal was the levels rather than the tunnel: checkpoints and spike-filled acts.
The endless-runner version — no map, no modes, just distance.
Tested by DriftBoss
- Controls
- Keyboard
- Game type
- Level-based
- Fits a phone screen
- Yes
- Fullscreen
- Yes, from the player bar
- Last tested
- October 2026
Renders letterboxed at 375x281 rather than filling the screen, so the playfield is small on a phone held upright.
What we noticed
- Two modes share one game — Explore has a map and story, Infinite does not. The map is where most of the content is.
- On a phone the playfield renders small and letterboxed, so the tunnel's depth is harder to judge than on a desktop screen.
About Run 3
Run 3 is the third and best-known entry in the series, built around a tunnel that reorients every time you touch a new surface.
It has two modes: Explore, which is a mapped campaign of levels, and Infinite, which is a straight endless run.
Your rating
FAQ
What is the difference between Explore and Infinite mode?
Explore is a level-by-level campaign through a mapped tunnel system. Infinite is a single endless run that gets harder as you go.
How does the gravity switching work?
Running onto a side surface makes it your new floor and rotates the tunnel around you. It is the intended way to cross gaps, not a glitch.
Which character should I use?
The Runner for control. The Skater is faster but much harder to stop, which matters near holes.
Does Run 3 still need Flash?
No — this is the HTML5 build and runs in any modern browser.