Independent publishers pay development costs for games they do not own outright. The arrangement makes sense once you follow how the advance is recovered and who carries the risk.
The advance is a loan against future sales
A publisher funds development in instalments tied to milestones, and that money is recouped from revenue before the developer sees any. The developer's royalty begins only after the advance is repaid.
If the game underperforms, the shortfall is usually not chased. The publisher absorbs it, which is what the developer is really buying.
This makes the deal closer to insurance than to a loan. The developer trades a share of upside for the removal of downside.
Portfolio maths drives the decisions
Most funded games do not repay their advance. A publisher plans for that, because a small number of successes covers the rest.
The consequence is that publishers are not looking for games that will definitely make a modest return. They are looking for games that could plausibly become large, since only those change the portfolio's arithmetic.
A competent, unambitious game is therefore a harder sell than a flawed but distinctive one. The safe project has no path to the outcome the model requires.
What the publisher supplies beyond money
Publishers carry functions a small team cannot staff: quality assurance across many hardware configurations, localisation, age ratings, platform submissions and store relationships.
Each of these has fixed costs that are painful for one game and reasonable across a dozen. The publisher's advantage is repetition rather than skill.
Store relationships matter most. A publisher with a track record can get a game considered for promotional placement that an unknown developer cannot request at all.
The terms encode who is taking the risk
Deals vary in royalty split, ownership of the intellectual property, and control over release timing. These terms move together rather than independently.
A developer with a finished vertical slice and some audience has proved part of the risk away, and can hold a larger share. A team with a pitch document has proved nothing and is offered less.
This is why the same publisher signs very different deals. The split reflects how much uncertainty remains at signing, not the publisher's opinion of the team.
Why some developers decline funding
Self-funding keeps all revenue and all control, which is decisive for a team that has already had a success. Their previous game removed the need for insurance.
It also removes the milestone structure, which some teams find useful and others find constraining. A publisher's approval gates are a schedule imposed from outside.
The choice therefore tracks a team's financial position more than its principles. Funding is most valuable to the developers least able to negotiate for it.