Buy PEAK Steam Key

PEAK — co-op climbing where the whole team falls

PEAK is a co-op climbing game where the slightest mistake can cost the entire team its run. You and up to three friends play lost scouts who have to scale the mountain at the heart of a mysterious island so you can finally get rescued. It was made and published by two studios — Aggro Crab and Landfall Games — and launched on Steam on 16 June 2025, becoming a viral hit almost instantly: over 100,000 copies in the first day, a million in the first week, and more than ten million copies sold within months. Here you buy a global Steam key: activate it in the client and PEAK lands straight in your library.

What makes PEAK so addictive

PEAK's core trick is a mountain that regenerates every single day. The route you cleared yesterday is different today, so there's no way to memorise it. You climb through four biomes, each with its own lethal hazards — slick ledges in one, a poisonous environment in another, nothing to grab onto in the next. Along the way you scavenge questionable food to keep from starving and carefully manage injuries, because one bad fall turns you into dead weight for the whole group.

Why it's better with friends

You can technically climb PEAK solo, but the real magic is the four-player co-op. You boost each other onto ledges, hammer climbing spikes into the rock and rig ropes so whoever follows has an easier time. Co-op is also where the dumbest, most epic deaths happen — the kind of clips that sent PEAK all over the internet. Invites run through Steam friends, which is exactly why a Steam key is the most convenient format here.

Which edition you get

PEAK has a single standard edition — the complete game, with no separate Deluxe, Gold or season-pass versions. You don't need to buy a «base game» on the side: the key unlocks all the content at once. There's no DLC that «unlocks later» either — whatever has shipped, you get right now.

Region and key activation

The key is global — it activates on Steam in any region worldwide, no VPN or region juggling required. To activate: open Steam, click «Games» at the bottom, choose «Activate a Product on Steam», paste the code you received, and PEAK is added to your library for good, like any game bought on Steam. There's one platform only — PC on Windows via the Steam client; the key won't work in the Epic Games Store, GOG or other launchers. Activation is one-time: enter the code once and the game stays tied to your Steam account, so you can reinstall it as many times as you like without needing the key again.

Four biomes that are all trying to kill you

The climb in PEAK is split into four biomes, and each one is its own collection of ways to die. At the bottom everything feels easy: grass, ledges, room to breathe. The higher you go, the nastier it gets — a poisonous environment that stacks damage, slick surfaces where you can't keep your grip, and stretches with nothing to hold onto without ropes and spikes. Between biomes it's not just the danger that shifts but the whole logic of progress — what saved you at the start no longer works higher up. Because of that rising difficulty curve, runs in PEAK rarely go smoothly, and every successful ascent feels like a real team win rather than a level beaten by a guide.

Food, injuries and survival on the slope

PEAK isn't only grips and jumps — it's also managing your scouts' condition. Along the way you scavenge questionable food that can heal you or poison you, so you're constantly deciding whether to risk it or tough out the hunger. Injuries aren't cosmetic either: a bad fall, a fracture or poisoning genuinely slows your climbing and turns you into a burden for the group. That's why strong teams don't sprint to the top — they ration resources, belay each other and decide who to patch up first. This survival layer is what turns a simple-looking ascent into a tense cooperative adventure.

If you love this kind of co-op

PEAK grew out of the same wave of viral co-op horror and co-op chaos as Content Warning — also a Landfall title, by the way — and Lethal Company. If you enjoyed Landfall's chaotic, physics-driven mayhem like Totally Accurate Battle Simulator, PEAK's signature physics will feel right at home. Grab the key, call your friends and see how high your team climbs before someone drops everyone.

💚 Cheaper in another form

Nearby in the catalog: PEAK as a Steam gift.