If you already own IGI 1 but don't want to re-download, you can unlock all missions instantly using a console command. This does not require editing any game files.
: Find a trusted source for an IGI 1 All Mission Unlock or Complete Save Game file (typically named config.qvm ).
If you prefer not to download external files, you can try the built-in developer shortcut: Project I.G.I. 1 Mission 1 Trainyard| Walkthrough : r/IGI_3 Download Igi 1 All Mission Unlock
: Type imdone while in the main menu or during gameplay.
You don't need to prove yourself by beating the unfair artillery battery. Whether you choose a pre-unlocked download, the skip cheat code, or a 100% main.sav file, unlocking all missions transforms IGI 1 from a frustration simulator into a pure action sandbox. If you already own IGI 1 but don't
There are two primary ways to access all 14 missions without playing through them sequentially: using a or a Cheat Code . Method 1: Using an "All Mission Unlock" Save File
You can skip to any mission or complete the current one instantly using these inputs: If you prefer not to download external files,
: You can download a complete savegame pack from sites like Nicouzouf.com which includes individual save files for all 14 missions, from Trainyard to Finding the Bomb . Summary of Missions Unlocked Once unlocked, you will have access to all 14 levels: Mission 1: Trainyard Mission 2: SAM Base Mission 3: Military Airbase Mission 4: GOD Mission 5: Radar Base Mission 6: Get Priboi Mission 7: Border Crossing Mission 8: Re-Supply (Often considered the hardest level ) Mission 9: Missile Trainyard Mission 10: Defend Priboi Mission 11: Eagle's Nest I Mission 12: Eagle's Nest II Mission 13: Nuclear Infiltration Mission 14: Finding the Bomb