Platform Requirements Matrix
┌─────────────────────────────────────────────────────────────┐
│ STEAM │
├─────────────────────────────────────────────────────────────┤
│ □ Steamworks SDK integration │
│ □ Achievements, Cloud Saves, Trading Cards │
│ □ Store assets: │
│ • Header (460x215) │
│ • Capsule (231x87, 467x181, 616x353) │
│ • Screenshots (1920x1080 min, 5+ required) │
│ • Trailer (MP4, 1080p recommended) │
│ □ Age rating (IARC) │
│ □ Review time: 1-5 business days │
└─────────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐ │ PLAYSTATION │ ├─────────────────────────────────────────────────────────────┤ │ □ PlayStation Partners registration │ │ □ DevKit access │ │ □ TRC (Technical Requirements Checklist) │ │ □ Trophies (Platinum, Gold, Silver, Bronze) │ │ □ ESRB/PEGI rating certificate │ │ □ Accessibility features │ │ □ Certification: 2-4 weeks │ │ □ Slot fee required │ └─────────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐ │ XBOX │ ├─────────────────────────────────────────────────────────────┤ │ □ Xbox Partner Center access │ │ □ XR (Xbox Requirements) compliance │ │ □ Achievements (1000G base game) │ │ □ Smart Delivery support │ │ □ Game Pass consideration │ │ □ Certification: 1-3 weeks │ └─────────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐ │ iOS APP STORE │ ├─────────────────────────────────────────────────────────────┤ │ □ Apple Developer Program ($99/year) │ │ □ App Store Connect setup │ │ □ App icons (1024x1024) │ │ □ Screenshots per device size │ │ □ Privacy policy URL │ │ □ App Review Guidelines compliance │ │ □ IAP testing with sandbox │ │ □ Review time: 24-48 hours (typically) │ └─────────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐ │ GOOGLE PLAY │ ├─────────────────────────────────────────────────────────────┤ │ □ Google Play Console ($25 one-time) │ │ □ App signing with Play App Signing │ │ □ Store listing assets │ │ □ Content rating questionnaire │ │ □ Data safety form │ │ □ Target API level compliance │ │ □ Review time: Hours to 7 days │ └─────────────────────────────────────────────────────────────┘
## Steam Integration
```csharp
// ✅ Production-Ready: Steamworks Integration
public class SteamManager : MonoBehaviour
{
public static SteamManager Instance { get; private set; }
public static bool Initialized { get; private set; }
[SerializeField] private uint _appId = 480; // Test app ID
private void Awake()
{
if (Instance != null) { Destroy(gameObject); return; }
Instance = this;
DontDestroyOnLoad(gameObject);
try
{
if (SteamAPI.RestartAppIfNecessary(new AppId_t(_appId)))
{
Application.Quit();
return;
}
Initialized = SteamAPI.Init();
if (!Initialized)
{
Debug.LogError("[Steam] Failed to initialize. Is Steam running?");
return;
}
Debug.Log($"[Steam] Initialized. User: {SteamFriends.GetPersonaName()}");
}
catch (System.Exception e)
{
Debug.LogError($"[Steam] Exception: {e.Message}");
}
}
private void Update()
{
if (Initialized)
SteamAPI.RunCallbacks();
}
public void UnlockAchievement(string achievementId)
{
if (!Initialized) return;
SteamUserStats.SetAchievement(achievementId);
SteamUserStats.StoreStats();
}
private void OnApplicationQuit()
{
if (Initialized)
SteamAPI.Shutdown();
}
}
Submission Checklist
PRE-SUBMISSION CHECKLIST:
┌─────────────────────────────────────────────────────────────┐
│ BUILD PREPARATION: │
│ □ Final QA pass completed │
│ □ All known critical bugs fixed │
│ □ Performance targets met │
│ □ Build size optimized │
│ □ Version number updated │
├─────────────────────────────────────────────────────────────┤
│ STORE ASSETS: │
│ □ All required images uploaded │
│ □ Trailer uploaded and reviewed │
│ □ Store description finalized │
│ □ Tags and categories set │
│ □ Pricing configured │
├─────────────────────────────────────────────────────────────┤
│ LEGAL/COMPLIANCE: │
│ □ Age rating obtained │
│ □ Privacy policy published │
│ □ EULA prepared (if needed) │
│ □ Copyright/trademark cleared │
├─────────────────────────────────────────────────────────────┤
│ PLATFORM-SPECIFIC: │
│ □ SDK properly integrated │
│ □ Achievements/trophies configured │
│ □ Cloud save working │
│ □ Platform TRC/XR requirements checked │
└─────────────────────────────────────────────────────────────┘
🔧 Troubleshooting
┌─────────────────────────────────────────────────────────────┐
│ PROBLEM: Steam review rejected │
├─────────────────────────────────────────────────────────────┤
│ COMMON REASONS: │
│ • Incorrect content descriptors │
│ • Missing EULA/privacy policy │
│ • Store assets don't meet specs │
│ • Build crashes on launch │
├─────────────────────────────────────────────────────────────┤
│ SOLUTIONS: │
│ → Read rejection reason carefully │
│ → Update specific items mentioned │
│ → Retest before resubmitting │
└─────────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐
│ PROBLEM: Console certification failed │
├─────────────────────────────────────────────────────────────┤
│ COMMON REASONS: │
│ • TRC/XR violation │
│ • Crash during suspend/resume │
│ • Memory usage exceeds limits │
│ • Missing required features │
├─────────────────────────────────────────────────────────────┤
│ SOLUTIONS: │
│ → Address each failure point specifically │
│ → Rerun full certification tests locally │
│ → Document fixes for future submissions │
└─────────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐
│ PROBLEM: App Store rejection │
├─────────────────────────────────────────────────────────────┤
│ COMMON REASONS: │
│ • Guideline 4.3 (spam/duplicate) │
│ • IAP issues │
│ • Privacy concerns │
│ • Crashes or bugs │
├─────────────────────────────────────────────────────────────┤
│ SOLUTIONS: │
│ → Review App Store Guidelines │
│ → Appeal if rejection seems incorrect │
│ → Request phone call with reviewer │
└─────────────────────────────────────────────────────────────┘
Platform Comparison
| Platform | Fee | Revenue Share | Review Time |
|---|---|---|---|
| Steam | $100/game | 70/30 (scaling) | 1-5 days |
| Epic | None | 88/12 | 1-2 weeks |
| PlayStation | Slot fee | 70/30 | 2-4 weeks |
| Xbox | Free (ID@Xbox) | 70/30 | 1-3 weeks |
| iOS | $99/year | 70/30 (85/15) | 1-2 days |
| Android | $25 one-time | 85/15 | Hours-7 days |
Use this skill: When publishing games, meeting platform requirements, or distributing across platforms.