Released on June 17, 2025, PEAK has taken the co-op survival genre by storm. Developed by Landcrab and published in collaboration with Aggro Crab and Landfall, PEAK invites players into a high-stakes mountain-scaling experience on a mysterious island. With procedurally generated maps that change daily and intense physics-based gameplay, players must work together or brave it alone to reach the summit.

From proximity voice chat to ragdoll chaos, PEAK throws you into nature’s harshest trials. The gameplay merges strategy, survival instincts, and teamwork. Yet, despite the “Very Positive” Steam reviews, many players have reported a frustrating issue: frequent game crashes and errors that interrupt gameplay. If you’re facing the same issues, you're not alone, and this guide is here to help.

Part 1: When Did PEAK Launch?

Part 2: Why PEAK Game Crashes on Your System

Part 3: How to Fix PEAK Game Crashes - Top 7 Solutions

Part 1: When Did PEAK Launch?

PEAK officially launched on June 17, 2025, for PC via Steam. It supports both single-player and 4-player online co-op modes and includes Steam achievements, controller support, and daily map rotations. It quickly gained attention for its creative mechanics and physics-driven multiplayer experience.

But as with many fresh indie releases, especially those built on evolving procedural systems, stability problems, crashes, and performance bugs are common in the early weeks post-launch.

Part 2: Why PEAK Game Crashes on Your System

Game crashes can stem from a mix of hardware limitations, software conflicts, or deeper engine-related bugs. Below are the most common causes behind PEAK’s crashing issues:

Outdated or Incompatible Graphics Drivers

Since PEAK relies heavily on real-time physics and dynamic rendering, outdated GPU drivers can lead to crashes, freezes, or graphical corruption.

DirectX and Visual C++ Runtime Conflicts

The game runs on DirectX 11 or 12, and missing or corrupted runtime libraries often cause the title to crash on startup.

Memory Overload or Low VRAM

PEAK requires a minimum of 8GB RAM and a GTX 1050 Ti, but systems close to these specs may run out of resources quickly, especially during multiplayer sessions.

Proximity Chat Bugs

Some players report game-breaking bugs linked to in-game voice chat, including freezes, black screens, or full crashes when voice proximity activates.

Corrupt Game Files

Whether due to interrupted downloads, improper installations, or mod conflicts, corrupted files can easily break your session.

Steam Overlay or Third-party Tools

Overlays from Discord, Steam, or even GPU tools like GeForce Experience may interfere with PEAK’s render pipeline.

Low Network Stability

Online sessions require consistent connections. If your ping is unstable, PEAK might desync and crash, especially during co-op play.

Part 3: How to Fix PEAK Game Crashes—Top 7 Solutions

Let’s go through seven detailed solutions that address every possible reason PEAK might crash. Each fix includes a short description and six actionable steps.

Top Fix: Use LagoFast—The Smartest Way to Stop Crashes

LagoFast supports mods that can enhance your gameplay experience—letting you add creative features, explore new content, and enjoy countless mods for PEAK and many other games directly within LagoFast. Beyond that, it’s a powerful game optimization tool designed to stabilize frame rates, reduce crashes, and cut ping. With its combination of real-time data routing, FPS boost technology, and system resource balancing, LagoFast ensures smoother gameplay, especially in physics-heavy environments like PEAK’s randomized mountains.

Why LagoFast Stands Out:

• Reduces game crashes caused by memory overflow and system strain
• Optimizes routing to avoid multiplayer sync failures
• Boosts FPS by reallocating CPU & GPU priorities
• One-click operation for easy setup
• Multi-game support with daily optimization updates

LagoFast is the best preventive solution for PEAK crashes and a great investment if you play multiple online games.

Tutorial to use LagoFast to Fix PEAK Game Crashes on PC:

Step 1: Click the Free Trial button to download and install LagoFast. 

Free Trial

Step 2: Open LagoFast, then click the PC button on the left and search PEAK in the search bar, click it after it appears.

Step 3: Click on “Server” to change to a better server that fixes “PEAK Game Crashes” and ensures the gaming experience, then click on “Smart Boost”.

Step 4: Check the specific game ping, packet loss, and multiple path connection on the right side. Finally, click the “Start Game” to play the game.

Update Your Graphics Drivers

Outdated GPU drivers are a major culprit for crash reports.

Steps:

Step 1: Identify your GPU (NVIDIA or AMD) via Device Manager

Step 2: Visit the official driver site (e.g., NVIDIA.com or AMD.com)

Step 3: Download the latest Game-Ready Driver

Step 4: Run a clean installation using Display Driver Uninstaller (DDU)

Step 5: Restart your PC after installation

Step 6: Launch PEAK and monitor for stability

Verify Game Files via Steam

Game file corruption can lead to both soft freezes and hard crashes.

Steps:

Step 1: Open your Steam Library

Step 2: Right-click PEAK → Select Properties

Step 3: Go to the Installed Files tab

Step 4: Click Verify integrity of game files

Step 5: Wait for the process to complete

Step 6: Relaunch the game

Disable Steam, Discord, and GPU Overlays

Overlay conflicts can crash physics-heavy games like PEAK.

Steps:

Step 1: Disable Steam overlay: Steam → Settings → In-Game → Uncheck "Enable Steam Overlay"

Step 2: Open Discord → User Settings → Game Overlay → Turn it off

Step 3: Disable NVIDIA/AMD overlays in their respective control panels

Step 4: Restart your PC

Step 5: Launch PEAK without any overlays

Step 6: Check crash frequency

Install or Repair DirectX and Visual C++ Libraries

Missing runtime components often lead to black screens or crashes at launch.

Steps:

Step 1: Visit Microsoft’s official DirectX End-User Runtime page

Step 2: Download and install the latest runtime

Step 3: Do the same for Visual C++ (2015–2022 Redistributable)

Step 4: Choose both x86 and x64 versions

Step 5: Reboot your PC

Step 6: Test launch stability

Adjust In-Game Graphics and Physics Settings

Too-high graphics can overwhelm mid-tier systems.

Steps:

Step 1: Launch PEAK and go to Settings

Step 2: Lower resolution to 1080p or below

Step 3: Set Physics Quality to Medium or Low

Step 4: Reduce Shadows and disable V-Sync

Step 5: Toggle Windowed Fullscreen to reduce memory strain

Step 6: Save and relaunch

Switch to a Wired Internet Connection

Especially important for multiplayer stability.

Steps:

Step 1: Use an Ethernet cable to connect your PC

Step 2: Restart your router

Step 3: Stop all background downloads and streams

Step 4: Use Windows QoS or LagoFast to prioritize game packets

Step 5: Retry co-op climbing with friends

Perform a Clean Boot of Windows

Third-party apps might interfere with PEAK’s operation.

Steps:

Step 1: Press Win + R → Type msconfig

Step 2: Click Selective Startup and uncheck Load Startup Items

Step 3: Go to the Services tab and check Hide Microsoft Services

Step 4: Click Disable All

Step 5: Apply and reboot

Step 6: Launch PEAK cleanly

Conclusion

PEAK delivers a thrilling and chaotic co-op climbing experience that stands out in the indie survival genre, but technical crashes, whether due to outdated drivers, overloaded memory, or unstable networks, can quickly shatter the immersion. This guide has outlined seven effective solutions to help restore smooth gameplay, and among them, LagoFast emerges as the most reliable fix, offering real-time optimization, crash reduction, and frame rate stability for seamless multiplayer sessions. With intelligent routing and performance tuning, LagoFast lets you focus on surviving the mountain with your team instead of battling technical issues, so apply these fixes and start climbing toward the PEAK without the stress.