Use cases

Cloud saves for progression-heavy games.

Persistly fits games where progress continuity is part of the player experience: idle loops, campaigns, browser games, device handoff, and support workflows.

Best fit patterns.

Use Persistly when save integrity, restore history, and cross-device resume matter.

Single-player progression gamesIdle and incremental economiesAsync games that sync across devicesPremium or indie projects that need staging and production discipline

Recognizable save problems.

These are product moments players notice immediately when cloud saves fail.

Idle and incremental economies

JavaScript SDKUnity SDKGodot SDK
Offline gains, timers, upgrades, and currency can change while the player is away.
Players expect
Players expect offline progression to feel continuous when they reopen the game after hours or days.
Persistly fit
Local-first autosave keeps progress responsive, then controlled sync pushes the latest named slot when the game is ready.
SDK fit
JavaScript for browser idle games, Unity or Godot for engine-based incremental games.
  • offline income
  • upgrade queues
  • prestige state
  • production timers

Premium single-player progression

Unity SDKGodot SDKJavaScript SDK
A lost checkpoint, chapter completion, or inventory update feels expensive to a returning player.
Players expect
Players expect boss fights, chapters, inventory, and checkpoint saves to survive without mystery rollback.
Persistly fit
Named slots, stage/prod keys, and explicit conflicts give teams safer save moments without building a custom backend.
SDK fit
Unity, Godot, or JavaScript depending on the game surface.
  • boss checkpoint
  • chapter completion
  • inventory state
  • campaign resume

Browser and native shell games

JavaScript SDK
Players expect progress to survive browser refreshes, wrapper storage, and device changes.
Players expect
Players treat web, wrapper, tablet, and desktop sessions as one progression journey.
Persistly fit
The same runtime contract supports local cache plus cloud sync at controlled moments across supported client surfaces.
SDK fit
JavaScript first for web and wrappers; native mobile SDKs return after release parity.
  • long browser run
  • native wrapper
  • tablet resume
  • device handoff

Support and live-ops debugging

JavaScript SDKUnity SDKGodot SDK
Players report missing or stale progress and support needs a real save-sync surface to inspect.
Players expect
When progression looks wrong, players expect the team to understand which environment and save activity changed.
Persistly fit
Dashboard visibility, recent saves, runtime keys, and environment separation support debugging without widening public APIs.
SDK fit
Any ready SDK track using PersistlyGameSaves and the same runtime contract.
  • recent saves
  • stage vs prod keys
  • project activity
  • support investigation

Why not build this yourself?

Homemade save systems usually break around progression operations.

Persistly exists for the local cache, conflict handling, environment discipline, SDK consistency, and support visibility that collect around a simple save endpoint.

  • Local cache that keeps gameplay responsive before the network is ready
  • Runtime keys and stage/prod environments from the first integration
  • Version checks that return explicit conflict states instead of silent overwrite
  • Payload and request limits surfaced in ways SDKs can handle
  • Dashboard visibility for projects, environments, keys, billing, and recent saves
  • SDK consistency across JavaScript, Unity, and Godot
Silent overwrites

Two devices write different save versions and the later request wins without a player-safe conflict path.

Stale local state

The client shows old progress because local drafts, accepted cloud saves, and sync timing are not clearly separated.

Environment confusion

Test and live keys drift, making support and production debugging harder than the save endpoint suggested.

Reinstall recovery gaps

Progress cannot be recovered unless the game stores save identifiers through trusted auth or backend storage.

Support blind spots

Operators cannot see recent save activity, environment context, or the runtime key path involved in a report.

SDK inconsistency

Browser, Unity, Godot, and wrappers each grow different save behavior around the same player expectation.

Boundaries

Choose something else when save sync is not the job.

Persistly is focused on progression state and cross-device resume. Pair it with dedicated systems for other game backend needs.

Best for

  • Single-player and progression-heavy games
  • Idle and incremental loops with cross-device resume
  • Teams that want docs, SDKs, and operator discipline before backend breadth

Not for

  • Real-time multiplayer state coordination
  • Public player discovery or social graph features
  • Competitive economy authority without a trusted game backend
  • Teams looking for a full backend platform on day one

Start with one named save, then grow safely.

Keep local progress responsive and sync remotely at controlled moments.