External co-development teams services typically include art production, feature development, porting, QA, UI/UX design, and platform certification. A full-service partner covers the entire pipeline from concept and prototype through live service support; narrower vendors specialize in one slice and hand off everything else to you.
A common challenge studio leads face isn’t a shortage of co-development partners, it’s not knowing the full scope of what a mature partner can actually handle. That gap leads to either leaving value on the table or signing a vendor who can’t deliver half of what you need. This guide breaks down every major service category, how they bundle together, and the questions worth asking before you commit.
Key takeaways
- Art production is the entry point: Co-dev studios typically start with 2D/3D asset pipelines and can scale to full environment and character production.
- Feature dev means real ownership: A capable partner owns discrete engineering or content chunks rather than simply executing against a spec you hand them.
- QA and certification are underestimated: These services prevent the launch-window stalls that kill momentum for otherwise ready games.
- Porting is a natural co-dev fit:It’s defined scope, technical, and doesn’t require the external team to hold deep product ownership.
- Know your contracting model: Staff augmentation, dedicated squad, and fixed-scope each serve a different type of studio gap.
External co-development teams services: what a full menu includes
The two primary pillars of any serious co-development offering are art production and feature development. Everything else builds from there. Studios that understand this structure can evaluate partners more accurately and avoid signing someone who only delivers half the pipeline.
Art production and asset pipelines
Art production covers 2D/3D characters, environments, weapons, and props in both realistic and stylized styles. A good co-development studio plugs into your existing internal pipeline without disrupting your lead team’s workflow. Assets are delivered in the formats, naming conventions, and technical specs your engine expects. Studios with Unreal Engine authorization, like Kokku Games, can make asset integration inside UE5 pipelines particularly smooth because they already operate within the same technical standards your internal team uses.
Feature development, DLC, and technical co-dev
Feature co-development means the external team owns discrete chunks of engineering or content, not just execution against a finished spec. In practice, that looks like gameplay mechanics, new game modes, DLC drops, prototyping, and vertical slices. Mature partners participate in roadmap planning rather than waiting for tasks to land in their queue. That collaborative posture is what separates a genuine co-development relationship from simple task outsourcing.
Do external co-development teams handle QA, UI/UX, and certification?
Yes, and these are consistently the most underestimated services on the menu. Studios often treat QA and certification as afterthoughts and pay the price later in delayed launches and failed first submissions.
QA, bug fixing, and compliance work
QA from a co-development partner covers functional testing, regression, platform-specific testing, and structured bug-fix sprints. Embedded QA differs from bolting on a testing vendor at the end: the team already knows the codebase, which means fewer cycles to find and fix real issues. Bug fixing is often bundled with feature development contracts rather than priced as a separate line item, a practice that can give studios cleaner budget planning, though contracting structures vary by vendor.
UI/UX design and platform certification
UI/UX co-development covers interface design, UX flows, menu systems, and accessibility passes, the work that makes a technically solid game feel polished and platform-appropriate. Platform certification is where projects stall without an experienced partner: PlayStation TRC, Xbox TCR, and Nintendo Lotcheck each have distinct compliance requirements that must be tested, documented, and submitted through specific processes. A partner who has done this before integrates certification checkpoints into development from the first sprint rather than treating it as a final-stage surprise.
What about porting and ongoing live service support?
Porting and live service are two of the most common reasons studios bring in an external co-development partner. Both are high-stakes workstreams that demand specialized focus, the kind of work that strains an internal team already heads-down on the core product.
Console and PC porting services
A porting engagement involves platform-specific optimizations, controller input remapping, performance profiling, resolution targets, and memory management for the target hardware. Co-development teams commonly support PlayStation 4/5, Xbox One and Series X|S, Nintendo Switch, and PC via Steam or Epic. Porting is a natural co-dev fit because the scope is defined and technical without requiring the external team to hold deep creative ownership of the product.
DLC and live service content pipelines
External teams sustain ongoing live service titles without stretching internal studio headcount by operating as dedicated standing squads. These squads integrate directly with the lead studio’s tools and processes, handling DLC drops, seasonal content, and continuous bug fixes. Nearshore co-development teams with favorable time zone overlap make real-time collaboration more practical, a commonly reported operational advantage for U.S. studios compared to teams operating across a 12-hour gap.
How to decide which services to contract
Match the service scope to your team’s actual gaps, then choose a contracting model that fits your delivery cadence. Getting this wrong leads to either paying for capacity you don’t use or under-scoping a partner who could have done much more.
Common team models and pricing structures
Most co-development studios offer three primary models. Staff augmentation fills targeted skill or capacity gaps; the client manages daily priorities. A dedicated team or squad provides sustained output across a roadmap with shared delivery accountability. Fixed-scope projects suit porting, certification, or defined feature work with clear acceptance criteria. Time and materials pricing fits evolving or discovery-phase work, while fixed pricing offers budget certainty when requirements are stable.
Short RFP checklist to start vendor conversations
Before signing any co-development partner, ask these five questions directly and evaluate the confidence of the answers:
- Platform experience: Which platforms have you shipped to, and can you show us the builds?
- Team composition: Who specifically will work on our project, what are their seniority levels, and what’s your continuity plan if a key person leaves?
- IP ownership terms: Who owns the source assets, tools, and documentation produced during the engagement?
- Time zone and communication cadence: How do you handle real-time collaboration with U.S.-based teams, and what tools do you use for reviews and escalations?
- Client references: Can you give us contact details for a shipped project similar in scope to ours?
A confident partner answers each question specifically. Vague answers about “flexible processes” and “collaborative culture” without concrete examples are a red flag worth taking seriously before you sign.
Choosing the right external co-development teams services starts with knowing the full menu
Art production, feature development, porting, QA, UI/UX, certification, and live service support are the standard categories a mature co-development partner covers. The cleaner your understanding of which categories you actually need, the faster you can evaluate vendors and avoid signing one who handles three of the seven well.
The practical decision framework is straightforward: audit your team’s gaps first, then find a partner whose service range covers them without requiring you to manage five separate vendors. For many projects, a single integrated studio that spans concept to certification is more efficient than assembling a patchwork of specialists who don’t share context or pipelines, though the right structure always depends on your specific scope and budget.
Kokku is a co-development studio and an Unreal Engine Authorized partner with a service menu that runs from concept and prototype through porting, certification, and live service. When evaluating external co-development teams services, you can use the checklist above as a starting point and reach out to our team directly to discuss how a co-development engagement could fit your current production stage.