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Fire Sale
"Everything must go. 90% off."
How do I install Fire Sale?
Download the free ProjectMods desktop app, then install Fire Sale for Upload Labs in one click.
</>What does Fire Sale do?
Fire Sale forces the game's price_multiplier attribute to a fraction of its default, cutting the cost of every upgrade that reads this multiplier. Dial it down to 0.1x (10 percent of original cost) or anywhere between. Turn it off before buying anything you want to pay full price for — the discount reverses cleanly. Combine with Gold Rush for instant full-tree completion, or leave it on permanently for a chill economy run.
</>What is Fire Sale?
Fire Sale is a price-multiplier mod for Upload Labs by ProjectMods. It forces the game's price_multiplier attribute to a fraction of its default (0.1x out of the box), discounting any upgrade that reads the multiplier by 90%. Toggle it off mid-run to restore full pricing. Pairs cleanly with Gold Rush for instant full-tree purchase runs.
</>Common questions about Fire Sale
What does the price_multiplier attribute actually control in Upload Labs?
The price_multiplier is the global cost scalar Upload Labs applies to any upgrade or purchase that asks the economy system for a price. Most upgrade trees, tier unlocks, station upgrades, and progression purchases read this multiplier when they calculate their on-screen cost. Fire Sale overrides that value, so anything routed through the multiplier gets the discount automatically. Upgrades that hard-code their own price or use a separate currency path will not respect the multiplier, but the bulk of the tycoon's progression loop does. If you want to confirm whether a specific upgrade is affected, toggle Fire Sale on and watch the cost label change.
What does the default 0.1x setting do?
Out of the box, Fire Sale sets price_multiplier to 0.1x of the original, which means every multiplier-aware upgrade costs 10% of its normal price, or a flat 90% discount. A 10,000-credit upgrade becomes 1,000. A 1 million-credit unlock becomes 100,000. You can dial this down further for an almost-free run or push it back toward 1.0x for a milder discount, depending on how aggressive you want the economy to feel. The discount is applied live, so cost labels in the upgrade UI update the moment the multiplier flips.
What happens if I toggle Fire Sale off mid-run after buying discounted upgrades?
Nothing breaks. Upgrades you already bought at the discounted price stay bought, exactly as they would in a normal save. Toggling Fire Sale off only restores the price_multiplier to its default value going forward, so any new purchases revert to full price. This is the recommended pattern for players who want to grab a handful of expensive unlocks cheaply and then play the rest of the run honestly. There's no save corruption, no retroactive billing, and no rollback. The mod just stops applying the discount the moment you flip it off.
How does Fire Sale pair with Gold Rush?
Fire Sale and Gold Rush are designed to stack. Gold Rush handles the income side of the equation while Fire Sale handles the cost side, so running both at once collapses the progression loop into a sprint. With Gold Rush feeding you credits and Fire Sale dropping every multiplier-aware upgrade to a fraction of its cost, you can buy out an entire upgrade tree in a single sitting. This is the intended workflow for players who want to skip the grind and explore late-game content immediately. Toggle either or both off whenever you want the normal economy back.
Are there any upgrades or purchases that Fire Sale won't discount?
Fire Sale only affects upgrades that actually read the price_multiplier attribute when calculating their cost. If an Upload Labs upgrade hard-codes its price, uses a separate currency, or routes through a custom cost function that ignores the global multiplier, Fire Sale won't change its sticker price. In practice the vast majority of the game's progression upgrades respect the multiplier, but edge cases exist, especially for event-driven purchases, premium currency, or scripted unlocks. The fast way to check is to enable Fire Sale and watch which prices visibly drop and which stay the same.
What options does Fire Sale include?
Discount
Price multiplier (0.1 = 90% off).
Enabled
Toggle Fire Sale on/off.
Fire Sale is an Upload Labs mod that drops the in-game price_multiplier to 0.1x by default, making every upgrade that reads the multiplier cost 10% of its original price. Toggle it off to revert to normal pricing.
What features does Fire Sale include?
- Forces the global price_multiplier to 0.1x by default, so every upgrade that reads it drops to a tenth of its sticker price
- Adjustable discount depth between full price and the deep-cut default, so you can run a light sale or strip costs to the floor
- Toggle off any time to snap the multiplier back to vanilla, useful for buying something at honest cost mid-run
Best For
- Skip the early grind in Upload Labs and get straight to the upload mechanics you actually want to play with
- Run a chill, low-stress economy save where every upgrade is in reach and money stops being the bottleneck
- Record content or capture footage of high-tier setups quickly instead of grinding for hours off-camera
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