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To calculate how many copies an indie game must sell to break even, divide the costs you want to recoup by the net revenue you expect to retain per copy: break-even units = recoupable costs ÷ net proceeds per unit. Use expected proceeds after discounts and relevant platform, publisher, refund, and tax deductions—not the store list price. The result is a threshold under stated assumptions, not a prediction of how many copies the game will sell.
Define what “break-even” includes
There is no useful break-even number until you decide which costs the target must recover. A cash-only target may include money already spent or still committed to development and launch. A broader target may also account for founder labor, studio overhead, financing, or repayment of a publisher advance. Keep these categories separate so readers of your budget can see what the target represents.
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Build the recoupable-cost total from expenses that apply to this project. Common categories include development, marketing, localization, quality assurance, legal work, launch materials, platform fees, and post-launch support. Avoid applying a universal percentage for these items: use actual spending, contracts, and project estimates.
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Estimate what the studio retains per copy
Start with the expected average selling price, not automatically the list price. Launch promotions, later discounts, and regional pricing can make the average amount paid lower than the headline price. Then account for the deductions relevant to the game and its commercial agreements, including the platform share, any publisher terms, refunds, applicable indirect taxes, and other contractual deductions. The applicable figures vary by platform, territory, and agreement; there is no universal take-home amount.
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For a simple model, write the assumptions explicitly:
- Average selling price: estimated amount paid per copy across the sales mix, after discounts and regional pricing.
- Retained share: the portion remaining after the platform and any publisher or other contractual shares.
- Other deductions: expected refunds, applicable taxes, or additional costs taken from revenue.
Use the actual agreement and relevant platform and tax documentation to determine how these items interact. Do not subtract a deduction twice if it is already reflected in the retained-per-unit figure.
Calculate the unit target
- Choose the cost scope: cash costs only, or cash plus labor, overhead, advances, or other items.
- Add the costs within that scope to get the total amount to recoup.
- Estimate retained proceeds per unit using the expected selling-price mix and applicable deductions.
- Divide total recoupable costs by retained proceeds per unit, then round up to the next whole copy.
For example, if a studio’s chosen cost total is C and its expected retained proceeds per copy are R, its target is ceil(C ÷ R). This formula is useful without implying that any particular price, fee rate, or cost total applies to every game. If the retained amount is uncertain, calculate several cases rather than presenting a single precise-looking target.
Compare scenarios without disguising uncertainty
A low/base/high table can show how sensitive the target is to assumptions. Keep the cost scope the same in every case, and vary inputs such as average selling price, sales mix, refunds, tax treatment, platform or publisher terms, and—if you are also modeling a forecast—sales volume. Mark each input as known, contract-specific, jurisdiction-specific, or estimated. Use project records and the applicable official documentation for numeric inputs; the cited sources do not establish general rates that can safely be applied to every release.
Break-even units and forecast sales answer different questions. The first asks how many copies would recoup a defined cost total at an assumed retained amount per copy. A forecast asks how many copies the game is likely to sell. Compare the forecast with the break-even target only after making both sets of assumptions visible.
What Steam’s Direct fee does—and does not—change
Valve’s Steam Direct Fee documentation states a fee of $100 USD, or the equivalent, per new app. Valve says the fee is not refundable but can be recouped in a payment after the product reaches $1,000 in Adjusted Gross Revenue from Steam Store or in-app purchases. This is a specific Steam fee rule, not an estimate of total development costs or the amount a developer retains per sale. Check Valve’s current documentation when budgeting.
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Use public estimates and wishlists carefully
Public sales estimates can be directional, but they are not audited project accounting. For example, indielist’s published methodology describes limits in its simplified Steam estimate: it does not reconstruct historical price changes, bundles, taxes, key sales, tiered store terms, publisher splits, subscription deals, or revenue outside Steam. Those omissions can matter when comparing an estimate with a studio’s actual receipts.
Wishlists can inform a launch scenario, but they do not establish lifetime sales. Wishlist estimators and methods such as the Birkett ratio may help frame assumptions; the available sources do not establish a current, authoritative conversion rate that applies to every game or audience. Label any wishlist-to-sale conversion as an assumption and test more than one case. A GDC Vault postmortem listing reports one game with a $50,000 marketing budget, more than 340,000 wishlists, 120,000-plus unit sales, and $1.3 million in Steam revenue. That single case is not an industry average or a reliable conversion benchmark for another release.
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