Climbing games have become an unusually busy corner of modern gaming, ranging from thoughtful ascents to punishing tests of coordination. White Knuckle takes that idea somewhere far more hostile: a speed-climbing roguelike where you control a pair of hands, scramble up a mysterious industrial complex and stay ahead of rising toxic sludge.
I tried the early-access game at PAX West and quickly discovered that every metre requires a difficult choice. The climb is physical, fast and unforgiving, with failure sending you back to the beginning of a newly generated map.
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Every handhold demands a decision
Movement is built around alternating between your left and right hands. You grip ledges, edges and other handholds until the strain turns your hands from pale to pink, then red. Once a hand is exhausted, it needs to recover; ignore that warning and a slip can send you tumbling.
There are several ways to gain height. You can swing from a hold, pull yourself upward gradually, or leap towards a distant ledge. Equipment adds another layer of improvisation. A hammer can drive found picks into suitable walls, creating new holds. A metal rod can be thrown at a remote surface, giving you something to swing from or stand on.
Those tools are limited, however. Using a pick or rod now may leave you without it during a later section. Items also occupy physical space in your bag, and retrieving one means opening the pack and searching through its contents while your grip continues to weaken. The inventory is not a menu that pauses the danger; it is part of the danger.
A speed climb with a survival-horror edge
White Knuckle is described as a speed-climbing game, although my half-hour demo session was anything but quick. The controls and tools seem designed to reward practice: eventually, a player might learn to hang with one hand while hammering a pick into the wall with the other, or choose the right moment to consume a can of unpleasant sludge for a burst of stamina.
The game presents multiple routes upward, but they are not equally sensible. A path that looks manageable may demand equipment you do not possess, or may become unexpectedly difficult. A poor decision can force you to descend and lose valuable time before attempting another route.
The unsettling setting makes every mistake feel worse. The structure has hints of a nuclear facility, factory and science-fiction laboratory, although its exact nature remains unclear. The higher sections are said to contain creatures that emerge from the darkness and interfere with the ascent.
At the point I played, the rising sludge was already more than enough of a threat. I had only encountered brown and gold cockroaches, which can be collected, but the game promises more dangerous beings further up. Power-ups are also hidden in the structure and are expected to remain available between runs.
Learning to resist panic
The central tension comes from trying not to abandon careful planning when the climb starts to go wrong. The rising hazard encourages frantic movement, but reckless flailing usually creates a fresh problem: an exhausted hand, a missed grab or a wasted tool.
That balance should appeal to players who enjoy high-skill games for the improvement curve as much as the eventual success. White Knuckle is deliberately grimy and tactile, from the trembling hands to the awkward process of physically arranging and retrieving items from the pack.
It may be less comfortable for anyone who prefers slow, methodical exploration over time pressure. Still, the combination of route planning, limited resources and increasingly threatening surroundings gives each attempt a clear purpose. A successful run should feel earned rather than accidental.
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White Knuckle early-access details
White Knuckle is currently available in early access on Steam, and a free demo is also available. The demo offers a chance to test whether its demanding climbing system—and the pressure of outrunning the sludge—matches your appetite for precision and repeated failure.



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