Calcium Contract Cover Art

Calcium Contract (v1.1.6)

FPS 186.87 MB v1.1.6 944 views

Game Overview

A death cult’s contract turns into a strange island siege in this brisk, offbeat first-person shooter. The Calcium Order believes every living thing must eventually fall, yet a serpent-like creature has broken that rule and carved out a fiercely defended mountain refuge. Armed with a scythe and a boat ride into hostile territory, you climb toward its lair through a campaign that channels the speed and aggression of 1990s FPS design without simply copying it. The mood is grim, surreal, and a little playful, with bizarre religious imagery and an arsenal that looks almost familiar before revealing its own twisted logic.

Combat in Calcium Contract rewards momentum, positioning, and learning exactly how each enemy behaves. More than 20 handcrafted stages send you through the island’s rising paths, where every encounter becomes a quick tactical puzzle of target priority, movement, and weapon choice. The Order’s tools cover recognizable shooter roles while behaving in unusual ways, encouraging experimentation rather than reliance on a single favorite gun. A generous rewind feature lets you return to an earlier point in a level, or undo the seconds before a fatal mistake, making hard fights far less frustrating while still leaving the challenge intact.

Its strongest idea is that failure becomes part of the learning process instead of a long trip back to a checkpoint. Enemies can influence one another and disrupt expected combat rhythms, so simply charging ahead like it is Quake or Doom is not always enough. Eternal Harvest expands the package with shifting procedural stages, score chasing, score-boosting curses, online leaderboards, and single-attempt daily challenges. Fans of compact retro shooters who want sharp movement, weird weapons, and a forgiving but demanding mastery loop find plenty to like here, while newcomers benefit from the rewind system’s room to practice.

Screenshots

Installation

  1. Select the Download button at the top of this page to open UploadHaven.
  2. On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
  3. When complete, extract the archive to a Calcium Contract folder using 7-Zip.
  4. Open the extracted folder and start the game normally.
  5. For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.

System Requirements

  • Requires a 64-bit processor and operating system
  • OS: Windows 10 64-bit or later
  • Processor: 2.5 GHz
  • Memory: 2 GB RAM
  • Graphics: Directx 11 support
  • DirectX: Version 11
  • Storage: 300 MB available space
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Setup Guide & Troubleshooting

How do I fix missing DLL errors for Calcium Contract (v1.1.6)?

After extracting Calcium Contract (v1.1.6), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.

What should I do if the downloaded file is corrupted?

The full archive is 186.87 MB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.

Do I need to run the game as administrator?

Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.

How do I update my GPU drivers for this game?

Calcium Contract (v1.1.6) requires a Directx 11 support or equivalent. Update your NVIDIA or AMD drivers to the latest version for the best performance.

The game won't launch — what should I try?

Check that extraction completed and your PC meets the system requirements, including Version 11. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.

My antivirus is blocking the game — is it safe?

A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.

Need more help? Browse our FAQ & Troubleshooting Guide for solutions to common issues.
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