TacSim is First Light’s score-chasing endgame mode, and unlocking it is far simpler than climbing its global leaderboard.
Once the credits roll, 007 First Light opens up its true replay layer: the Tactical Simulation, or TacSim. It’s a score-driven challenge mode built from remixed slices of the campaign, where you run compact stealth-action missions over and over to shave seconds off your best time and climb a global leaderboard. If you’ve just finished the story and want to know what TacSim actually is, how to unlock it, and why your progress feels so slow, this guide breaks down every moving part.
Think of it as developer IO Interactive’s take on an endgame loop: bite-sized levels, a currency to grind, and a battle-pass-style track of rewards. Below we cover how to access the mode, the difference between Escalations and Operations, how the Intel currency and Clearance Level work, what Game Changer modifiers do, and the questions players keep searching for.
How to unlock TacSim in 007 First Light
TacSim becomes available once you’ve made enough progress in the campaign. For most players it opens up as you push into the back half of the story, and it’s fully accessible by the time you reach the finale. You enter it from the main menu or from the mode’s explorable hub, a small base where you walk between separate terminals to pick missions, set your loadout, upgrade gear, and choose an outfit.
There’s no lobby to fill and nobody else to wait on: TacSim is a single-player mode, so you play solo against the clock while your scores are compared asynchronously on the leaderboard. One thing to brace for, though, is that you start almost from scratch. TacSim strips away the campaign gadgets you finished the story with, so your first runs are deliberately bare-bones until you rebuild your kit.
Escalations vs Operations
TacSim is split into two mission types, and knowing the difference is the fastest way to plan your session.
- Escalations are challenge levels with three difficulty tiers that layer new conditions onto the same map, for example killing eight enemies to clear tier one, ten for tier two, and twelve without taking a hit for tier three. Some are remixed combat arenas, others are built around a single mechanic like shoving guards off a platform.
- Operations are the more open, sandbox-style missions, the closest thing to IO’s Hitman design. Standouts include The Garden Party, a compact museum infiltration perfect for stealth speedruns, and Clean Infiltration, a hotel laundry room where hanging sheets block sightlines and washing machines double as electric traps.
Every mission also carries a long list of optional sub-challenges, such as finishing without being spotted, crushing enemies with objects, or clearing the level using only a shotgun, for players chasing full completion.
Intel currency and Clearance Level
Progression runs on two connected systems. You earn Intel, the mode’s points currency, by completing runs, and you spend it on new weapons, gadget upgrades, and outfits. Those rewards are laid out along a Clearance Level track that works like a battle pass: as you bank Intel and rank up, you unlock the next tier of gear and cosmetics.
Here’s the catch that trips people up. You only earn Intel on a successful run, so if you restart a mission mid-attempt (which you will do constantly while learning a level) you bank nothing. That’s why unlocks feel slow, and why you may need to play for a few hours before your first gadget upgrade lands. To progress faster, commit to finishing runs even when they’re messy rather than resetting the moment something goes wrong.
What Game Changer modifiers do
Game Changers are modifiers that reshape how a mission plays. One makes enemies hit noticeably harder; another disables your Q-lens, so you can no longer see enemy outlines through walls. IO has signalled that these modifiers and the mission roster itself will rotate and expand over time, with new content like the driving-focused Valhalla Protocol already on the roadmap.
Do TacSim cosmetics carry over, and other common questions
A key point for completionists: TacSim cosmetics and unlocks stay in TacSim. The outfits and gear you grind here don’t carry over into the campaign, so treat them as a reward for the challenge layer rather than an upgrade to your story save. As for the mode being “offline,” TacSim is single-player and doesn’t need other people; the leaderboard is simply a score comparison. And if you feel stuck, it’s almost always the Intel economy: finish runs to bank points, chip away at Escalation tiers for steady gains, and lean on Operations like The Garden Party once you want to truly master a level.
Ready to build the perfect TacSim loadout? Pair this with our 007 First Light best gadgets guide, our rundown of all outfits and how to unlock them, and our beginner tips guide over on Solo Jugadores.
