WFSim as a Windows app: the same calculator and the same engine as the site, on your own machine. It opens instantly, works offline and updates itself. Free and open source, AGPL-3.0.
The same calculator on your own machine: it opens instantly, works offline and updates itself.
The first time you open it
Windows shows a blue notice, "Windows protected your PC". Click "More info", then "Run anyway".
The program is not code-signed, which is also why an antivirus may warn about it.
The SHA-256 and the command to verify it are in the notes beside the download.
What it does
It runs the same wasm engine as the site, so every number matches.
The engine is on your disk, so a fight is computed the moment you ask for it.
It works with no connection at all.
It updates itself, downloading only what changed.
Install and uninstall
No installer: it needs no administrator rights, and writes to the registry only if you turn on starting with Windows.
To uninstall, use Uninstall in the program's own settings: it removes the file and everything it kept in %LOCALAPPDATA%\WFSim.
The source
AGPL-3.0. The source archive beside the download is the same source as on GitHub.github.com/magenie33/wfsim
The real Simulacrum Prime.
Every hit counts.
Builder, simulator, optimizer.
The first build leaderboard computed by its players.
Every formula cites its source, and every golden test is calibrated against a real in-game run.How to check it
Void Fissures
Read from DE's world state each minute. China's own servers are not covered.
The schedule is computed ahead from the game's rotation and published by browse.wf; DE does not publish it. Times are in your time zone.
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Benchmark
Forma plan your rules, and the builds that share these polarities
1
Mode
0
Parts
2
Mods
0 / 00 Forma
Stance
A stance decides what the weapon actually swings: it publishes a combo per mode, and installing one replaces the weapon's own. It also GRANTS capacity instead of costing it — 10 on a slot of its own polarity, 5 on a bare one, 4 on the wrong colour.
Exilus
A polarity can be swapped between this slot and a main one — the slot stays Exilus. So its polarity counts toward any build, even one that leaves it empty.
3
Arcane
5
Valence
4
Evolution
Incarnon Genesis
0
Wielder
Σ
Stats
≡
Build
▶
Sim
1 · The fight who you are shooting at, where, and for how long
2 · External bonuses what the wielder is doing, and what others hand them — a ticked number replaces the wielder's own
3 · Limits what this run is allowed to assume
4 · Buffs the stacks the run STARTS with — the fight still grants and decays them on their own triggers
5 · Extra stats anything this weapon is handed from outside its build — it lands in the same bucket a mod would
6 · Warframe buffs abilities cast on this weapon — set your Ability Strength and the values follow
7 · Measure what to read off the run — the scenario's own term, so an official ruler pins it
The whole fight — every field, including the ones this weapon hides
Σ
Result
φ
Shapley analysis
what each part multiplies the result by
4
Rivens
All rivens every riven you have made for this weapon, with what it actually rolls
Riven Analyst
every riven the board has measured, against its best riven-free build
5
Enemies
All targets every enemy you have made — pick one in the simulator's target list like any other
⚙
The search
the starts and the limits — what a search preset saves, with the runs per candidate
① Starts
② Limits none by default — click an option to exclude it; a start that pins an excluded option cannot run, one that only holds it has it replaced
▶
The fight
the simulator's — every candidate is scored under it, and it is edited over there
★
Optimize
each start improved by the quick calc until nothing helps
—
Forma plan your rules, and the builds that share these polarities
1
Mods
0 / 00 Forma
Aura
An aura hands capacity back instead of costing it: twice its drain on its own polarity, 80% of it rounded down on another. A polarity moves between all ten slots, the aura's included.
Exilus
2
Arcanes
3
Archon Shards
4
Operator
Σ
Stats
5
Abilities
—
1
Mods
0 / 00 Forma
Nothing a companion seats moves a weapon's numbers yet: no robotic weapon reads its wielder's stats, and no precept is run. What this answers is capacity and Forma.
Operator
Only the active school's nodes apply. A node that needs an Operator action counts only when you say it is running.
1
Focus school
2
Tektolyst Artifact
3
What reaches the Warframe
—
This category is not built yet: nothing here is simulated.