Project Igi 1 All Missions Unlock ((link)) Jun 2026

with open(save_path, "r+b") as f: data = bytearray(f.read()) # Offset 0x2C: mission completion flags (1 byte per mission? No – bitfield) # Actually, in IGI: offset 0x34 is mission progress byte data[0x34] = 0xFF # All missions done # Recalculate simple XOR checksum (byte at offset 0x00) checksum = 0 for i in range(1, len(data)): checksum ^= data[i] data[0x00] = checksum f.seek(0) f.write(data) print("All missions unlocked!")

Note: This is frequently cited for IGI 2 but is often tested by players in IGI 1 modded versions. 🛡️ Full Mission List

David Jones stood before the flickering green glow of the Inner Loop command console. After months of grueling fieldwork—from the snow-dusted peaks of the Soviet mountains to the sweltering heat of underground bunkers—the mission data remained fragmented. The command staff had locked the mission logs behind a "need-to-know" encryption, but the urgency of the impending nuclear threat left no room for bureaucratic delays. The Breach

if == " main ": unlock_all_missions()

You can skip any mission you are currently playing by entering a specific cheat code: project igi 1 all missions unlock

– Steal a fighter jet to escape enemy territory. GOD – Re-enter the complex to track a nuclear warhead. Radar Base – Sabotage enemy communication arrays. Get Priboi – Capture a corrupt military commander.

If the main menu cheat fails to persist after you close the game, you can permanently unlock all levels by modifying a specific configuration file in the game's installation directory. Step-by-Step Instructions:

– Infiltrating a warehouse district to re-arm your inventory.

For countless gamers of the early 2000s, Project I.G.I.: I'm Going In represents a treasured, if frustrating, memory. Developed by Innerloop Studios and released by Eidos Interactive in December 2000, this tactical first-person shooter broke new ground with its massive open levels and emphasis on stealth. However, it also became notorious for its punishing difficulty, a glaring lack of a mid-level save option, and what many considered unpredictable enemy AI. with open(save_path, "r+b") as f: data = bytearray(f

Windows Registry Editor Version 5.00

Copy and paste the downloaded mission folders into your directory.

[HKEY_CURRENT_USER\Software\Innerloop\IGI\Progress] "MissionsCompleted"=dword:00003FFF

What is your computer running? (Windows 10, Windows 11, etc.) GOD – Re-enter the complex to track a nuclear warhead

Interestingly, for Project IGI 1 , a pure "unlock all missions" save file is somewhat rare to find functioning correctly on modern Windows 10/11 systems without using a third-party tool. The game is so old that simply replacing a save file often requires running the game in compatibility mode, adding a layer of technical archaeology to the simple act of cheating.

Q: Is it safe to unlock all missions in Project IGI 1? A: While unlocking all missions can provide players with increased flexibility and replay value, it can also cause game instability or crashes. Players should use caution when modifying the game's code or registry entries.

Project IGI has a built-in cheat console that can be activated to unlock levels. Start Project IGI 1 .

Replace XX with the mission number from .