The Giant Runner Gauntlet: Pick the Right Gates or Wipe Out
Two gates, one runner, seven split-second math calls: which door makes you bigger?
Gates come flying at you two at a time, each stamped with a tempting little bit of math, and you get roughly half a second to choose. Pick the door that multiplies your runner and you tower over the finish; pick wrong and you shrink into a sad little speck.
This gauntlet is seven of those choices, plus a few obstacles that want to flatten you. No calculator, no take-backs, just the quick arithmetic your panicking brain can manage mid-sprint. Add it all up and you get a verdict on whether you finish as a giant or a smear on the track.
Read every possible result and what it means →
Inspect the scoring, question by question
The highest possible score here is 21. The original game divides scores into 4 bands; the bands contain different numbers of answer combinations. A high point total is not a measured percentile.
1. You are running with a crowd of 10. One gate says times two, the other says plus five. Which leaves you with more?
- Times two, that jumps you straight to twenty — 3 original points
- Plus five, a calm and steady fifteen — 2 original points
- They both land on the same number anyway — 1 original points
- Whichever gate happens to be the prettier color — 0 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
2. Now you have 3 runners. One gate multiplies by three, the other adds four. Best pick?
- Add four for a respectable seven — 2 original points
- Multiply by three and march in with nine — 3 original points
- It makes no difference this early on — 1 original points
- Skip both gates and just run around them — 0 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
3. You are down to a single runner. One gate says plus ten, the other says times two. Which do you take?
- Times two, multiplying always wins, surely — 1 original points
- Plus ten, because one doubled is still just two — 3 original points
- Both land on eleven, close enough — 2 original points
- Neither, I prefer the drama of staying tiny — 0 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
4. A low ceiling is ahead that only a small runner fits under, and a shrink gate sits right before it. Smart play?
- Skip it, stay huge, and hope the ceiling is polite — 1 original points
- Take the shrink gate so you actually fit under — 3 original points
- Take the shrink gate twice, just for extra safety — 2 original points
- Try to leap clean over the ceiling, physics permitting — 0 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
5. Two gates appear: one reads minus three, one reads times four, and you have 5 runners. Which one grows your crowd?
- Minus three, quality over quantity — 1 original points
- Times four, twenty runners strong — 3 original points
- Both end up near the same size — 2 original points
- Close your eyes and let fate do the picking — 0 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
6. Final stretch. One gate reads plus twenty, one reads times two, and your crowd is already 40. Which is bigger?
- Times two, storming the finish at eighty — 3 original points
- Plus twenty for a solid sixty — 2 original points
- Same result, the gates are just teasing you — 1 original points
- Whichever door my thumb happens to reach first — 0 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
7. A spinning hammer blocks the lane and there is a clear gap on the left. Full speed ahead?
- Slow to a crawl and inch past only when it lifts — 2 original points
- Time it and slip through the gap on the left — 3 original points
- Barrel straight into the hammer and trust your size — 1 original points
- Stop completely and wait for it to get bored — 0 original points
These are the archived game’s option weights. Partial credit is a game rule, not a clinical or population measurement.
What happens across every possible answer pattern?
We counted all 16,384 patterns, treating each offered choice as equally likely. This is a synthetic rule check, not visitor research. It does not describe how real people answer.
| Result | Patterns | Share of patterns |
|---|---|---|
| Tripped at Gate One | 323 | 1.97% |
| Middle-of-the-Pack Runner | 7,869 | 48.03% |
| Big-Crowd Closer | 7,456 | 45.51% |
| Skyscraper-Sized Finisher | 736 | 4.49% |
Download the full counts · Download Python script · Download rule inputs
To reproduce locally: python3 measure_legacy.py --input legacy-rule-inputs.json --output counts.json. Uses Python 3 and its standard library.
The one-button game that set off the runner boom
Canabalt, made by Adam Saltsman in 2009 for a jam built around minimal input, ran in a browser and offered exactly one control: jump. Removing the steering was the point, because it stripped play down to timing alone and left a newcomer nothing to fumble. Touchscreen phones proved an ideal home for the shape, and Temple Run pushed swipe-based running to enormous audiences from 2011 onward.
Gate runners are the next mutation. Rather than asking only when to press, they ask which of two doors you want, and unlike a jump, that question has a demonstrably correct answer.
The crossover point between adding and multiplying
There is tidy maths hiding in those glowing doors. Doubling beats a flat bonus of ten only once your crowd is already larger than ten; below that line, the flat bonus genuinely wins. The general rule fits in your head: a gate that multiplies by n overtakes a gate that adds k the moment your crowd passes k divided by n minus one.
Level designers exploit precisely this. Early gates sit where addition really is the better call, so the habit you form in the opening seconds becomes the trap that costs you at the finish.
People are reliably poor at compounding
The reason the multiply gate feels stingy is a well-studied quirk. Researchers describe it as exponential growth bias: shown the early stretch of a compounding series and asked to continue it, most people guess far below the true figure, and the same underestimation turns up in work on savings and interest. Early growth looks flat, so a doubling that will eventually dwarf everything reads as unimpressive next to a bright plus sign.
Put a runner in a hurry beside that bias and the design does the rest. The wrong door is not badly labelled; it is simply the one your intuition prefers.
About that score
A short run of gate puzzles measures how comfortable you are doing small sums under mild pressure, and very little else. Treat the label at the end as grounds for a rematch rather than a report card, and let whoever insists they would have spotted the times-four gate go and demonstrate it.
Reading context & limits
For background and a fuller source trail, read How Game Difficulty Actually Works. These references provide context; they do not validate the entertainment result or every historical detail in the archived essay.
- Flow — APA Dictionary of Psychology
- Robin Hunicke, "The Case for Dynamic Difficulty Adjustment in Games" (ACE '05) — ACM Digital Library
Content lead: LISA. Updated October 25, 2026. Send a specific factual correction.