Why Game Studios Are Moving CI/CD to the Cloud
The On-Premise Build Farm Is Dying
For decades, game studios ran their builds on in-house server rooms. Racks of powerful machines humming away 24/7, maintained by a dedicated DevOps team, upgraded every few years at enormous capital expense.
That model is breaking down — and for good reason.
The Hidden Costs of On-Premise Builds
Hardware Acquisition
A competitive build farm for a mid-size Unreal Engine studio requires:
- 10-20 build servers: High-core-count CPUs, 64-128GB RAM, NVMe storage — €5,000-€10,000 each
- GPU servers for shaders: Dedicated machines for shader compilation — €8,000-€15,000 each
- Storage: High-speed networked storage for source, artifacts, and cache — €10,000-€50,000
- Networking: 10GbE or faster internal networking — €5,000-€15,000
Total initial investment: €100,000-€400,000 — before a single build runs.
Ongoing Maintenance
- System administration: At least one full-time DevOps engineer (€60,000-€90,000/year)
- Hardware failures: Drives fail. Fans break. PSUs die. Budget 15-20% annually for replacements
- Software updates: OS patches, driver updates, build tool upgrades, security fixes
- Power and cooling: Server rooms consume significant electricity and require cooling infrastructure
- Physical space: Rack space in an office isn't free
The Scaling Problem
This is where on-premise really fails. Game development isn't linear — it has crunch periods where build frequency spikes dramatically:
- Pre-milestone: 3-5× normal build volume as teams rush to hit targets
- Pre-release: Continuous builds for QA, certification, and hotfixes
- Multi-platform launch: Simultaneous builds for PC, console, mobile
Your on-premise farm is either too small during crunch (builds queue up, teams wait) or too large during normal periods (expensive hardware sitting idle). There's no good answer.
Why Cloud CI/CD Changes Everything
Pay for What You Use
Cloud build infrastructure scales with demand. During normal development, you use fewer resources. During crunch, hundreds of additional servers spin up automatically. You pay for actual usage, not peak capacity.
Zero Maintenance
No hardware to buy, no servers to rack, no drives to replace, no OS updates to manage. Your DevOps engineer can focus on actual development workflows instead of keeping machines running.
Instant Scaling
Need 500 servers for a massive build? They're available in seconds. Need 50 for a quiet Monday? You only use 50. Cloud CI/CD scales elastically — something physically impossible with on-premise hardware.
Global Access for Remote Teams
Modern game studios are increasingly distributed. Developers in different cities, countries, and time zones all need access to the build pipeline. Cloud CI/CD is accessible from anywhere with an internet connection — no VPN tunneling back to a physical office.
Disaster Recovery
If your office floods, your on-premise build farm is gone. Cloud infrastructure is redundant across multiple data centers. Your builds keep running regardless of what happens to any single physical location.
The Unreal Engine Cloud Build Advantage
For Unreal Engine projects specifically, cloud CI/CD unlocks capabilities that are impractical on-premise:
Distributed Compilation with Horde
Epic's Unreal Horde build system is designed for distributed execution across large server fleets. Running Horde effectively requires hundreds of machines — easy to provision in the cloud, impractical for most studios to build on-premise.
With Buildpixel, Horde distributes your build across 500+ cloud servers automatically. Full Shipping builds complete in under 20 minutes — a 10× improvement over single-machine compilation.
Content-Addressable Caching at Scale
Cloud storage enables massive, persistent caches that survive across builds and even across projects. Buildpixel's content-addressable caching stores every compiled object, cooked asset, and shader permutation. When inputs haven't changed, outputs are retrieved from cache instead of recomputed.
On-premise caching is limited by local storage capacity. Cloud caching is effectively unlimited.
Instant Streaming via Pixel Streaming
Cloud builds integrate naturally with cloud streaming. Instead of downloading a 50GB build artifact, QA testers and stakeholders can stream the build directly in their browser via StreamPixel — an impossibility with on-premise infrastructure.
The Cost Comparison
For a 10-person studio:
| Cost Category | On-Premise (Annual) | Cloud / Buildpixel (Annual) |
|---|---|---|
| Hardware (amortized) | €40,000-€80,000 | €0 |
| DevOps engineer | €60,000-€90,000 | €0 |
| Power and cooling | €5,000-€15,000 | €0 |
| Software licenses | €5,000-€10,000 | €0 |
| Buildpixel subscription | — | €5,400 (€45/member/mo) |
| Total | €110,000-€195,000 | €5,400 |
Even accounting for variations in studio size and build volume, cloud CI/CD through Buildpixel is an order of magnitude cheaper than maintaining on-premise build infrastructure.
Making the Switch
Migrating to cloud CI/CD doesn't have to be disruptive. With Buildpixel:
1. Sign up and connect your Git or Perforce repository
2. Configure your build targets and triggers
3. Run parallel — keep your on-premise farm running while validating cloud builds
4. Cut over once you're confident in the cloud pipeline
5. Decommission your on-premise servers
Most studios complete the migration in under a week.
The Future Is Cloud-Native
The game industry is following the same trajectory as every other software industry: from on-premise to cloud. The studios that make this transition early gain a competitive advantage in build speed, developer productivity, and operational efficiency.
The question isn't whether to move CI/CD to the cloud — it's how soon.
Get started with Buildpixel to experience cloud-native Unreal Engine CI/CD, or contact us to discuss your studio's migration plan.