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Sprint down the flank of an erupting volcano across a river of lava. Every footstep cools the lava under you into a plate of rock for a moment, so you are always running on ground you have only just made. Keep your pace up and the plates hold; slow down and they barely set, and stand still and your weight presses them under. Switch between three lanes, jump magma channels, slide under rock arches, dodge basalt pillars and lava bombs, time your way past steam vents and race over stone bridges before they crumble, all while the eruption rolls down the slope behind you. Collect ember gems for extra points and grab Frost Boots or a Cinder Shield to help you along. Your score is the distance you run plus the gems you collect.
Genre: Endless Runner
Difficulty: Easy to start, then faster, busier and with shorter-lived footholds the further you run
How long a plate holds depends on how fast you were going when you stepped on it: a light, quick step sets it for longest, and a slow, heavy one hardly at all. So your speed is not only about outrunning the eruption, it is what keeps you standing.
Natural crust slabs, the rock round each steam vent and standing bridges never melt. They are the only places where you can safely stop.
Frost Boots last 10 seconds. While you wear them, your plates set icy blue, stay solid 1.8 times longer and are pressed under half as fast when you stand on them.
The Cinder Shield glows round you until it takes one hit. It absorbs a single stumble or a lava bomb that would have ended the run, then you get a second of grace while you flicker. A bomb it takes is smothered and leaves no pool.
The first power-up appears about 200 m into a run, then another every few hundred metres, always in a clear stretch between hazards.
Get out of a pillar's lane at the last moment, slide under an arch or jump a channel right at its edge, run past a vent just before it blows, step off a bridge as it falls or have a bomb land just beside you, and the game calls it out: CLOSE CALL, LATE DODGE, LAST SECOND or JUST MADE IT. The world slows for a moment, the screen flashes gold, and near misses close together count up as a chain.
Near misses are for the thrill only. They do not change your score.
Your top speed rises the further you run, and over the first 3,000 m the course ramps up: hazards come closer together, combinations of hazards appear, more lava bombs fall, and the lava cools a little quicker under your feet, so your plates last only about two thirds as long by the end.
Every run is a new course, laid out in patterns that always leave a way through. Lava bombs never close all three lanes at once, and they never land on a bridge, a pillar, an arch, a vent or a channel you are already dealing with.
The run is a real descent: the slope steepens into drops and eases onto shelves, the lava chute bends from side to side, and over each crest the valley opens up far below, with other volcanoes on the horizon. The eruption's plume rolls overhead, lit from below and flickering with volcanic lightning, and the eruption's front surges up from the bottom of the screen as it closes in.
Your best score, your screen shake and sound settings, and how many runs you have played (so the control hints only show on your first couple of runs) are saved on Unihfy Games in this browser.
Developer · Game Reviewer
Kaushik Hirpara is a full-stack developer and game reviewer at Unihfy Games. He does most of the work of bringing games to the site — adapting them to run properly in a browser, getting them working on phones, playing them, and writing up what players need to know.
Unihfy Games
Lavastride is an original game created and published by Unihfy Games. We continue to improve it with new features, gameplay enhancements, and platform optimizations.
Designed and built in-house by Kaushik Hirpara at Unihfy Games. All code, art and sound are original.
Run as far down the volcano as you can. Your score is the metres you run plus 10 points for every ember gem you collect. The run ends if you sink into the lava, fall into a magma channel, run into a pillar, are hit by a lava bomb or are caught by the eruption.
The plate under you melted. Plates only last about a second at full speed, and much less if you were moving slowly when you stepped on them. Standing still on one presses it under even faster. Keep holding run, or stop only on natural crust or a bridge.
Running is held, not automatic: hold W, the Up arrow or a finger on the screen to run, and let go to slow down. Your pace matters, because faster steps make plates that last longer, and the eruption gains on you whenever you slow down.
Keep one finger on the screen to run and swipe left or right with it. Each swipe moves you one lane, however hard you swipe. To move two lanes, swipe, pause for a moment and swipe again. Swipe up to jump and down to slide.
The ERUPTION gauge shows how close the eruption front is: it fills towards the runner as the eruption gains and flashes red when it is close. Run at full pace to pull away from it.
Watch for the glowing ring on the river ahead. The bomb lands in the middle of it when the inner ring closes. Change lane out of the ring, or jump just before it lands.
Frost Boots make your plates last 1.8 times longer for 10 seconds. The Cinder Shield takes one stumble or one lava bomb hit for you, then gives you a second of grace.
No. Near misses are called out with a moment of slow motion and a gold flash, but your score is only distance and gems.
Press Esc or P, or tap the pause button at the top right. The pause screen shows your run so far and has Resume, Settings and Menu. On the title screen, the gear button at the top right opens the same settings for screen shake and sound.
Yes. Your best score and settings are kept in this browser on Unihfy Games, and a NEW BEST stamp shows on the game over screen when you beat it. Clearing your browser data removes them.
Lavastride was designed and built in-house at Unihfy Games by Kaushik Hirpara. Its code, art and sound are all original, and everything you see and hear is generated by the game itself.
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