The game takes place in a dimension known as G: Universe, a place where the histories of various Gundam timelines (Universal Century, Cosmic Era, After Colony, etc.) are supposed to coexist as "history simulations."
You play as a rookie pilot and member of the G-Lab, a research facility tasked with monitoring these historical records. However, a catastrophic system failure causes the history data to become corrupted. This corruption manifests in two ways:
Most releases of this specific version come in a repack format (usually from FitGirl or similar groups). While the base game is ~25GB, the repack is often compressed down to 11-13GB. For users with data caps or slow connections, this is a lifesaver. The installation takes about 10-15 minutes, but the file integrity is usually perfect. sd gundam battle alliance v20230510p2p best
To save the G: Universe, the player joins a task force called "The Alliance." You are partnered with an AI operator named Haro and tasked with diving into these corrupted historical simulations.
Your mission is to fight through the HACKs and ensure the "True History" plays out as intended. To do this, you must recruit key characters from different timelines who have been displaced by the corruption. The game takes place in a dimension known
By May 2023, all three major DLC packs had been released:
The v20230510p2p build is the only P2P release that includes 100% unlockable DLC units without server-side validation. Later versions (v202308xx) introduced intrusive anti-tamper that caused memory leaks; earlier versions (v202208xx) broke DLC mission triggers after 20 hours of play. The v20230510p2p build is the only P2P release
| Feature | v20230510p2p | Latest Steam |
|--------|--------------|--------------|
| Online multiplayer | ❌ (P2P disabled) | ✅ |
| All DLCs up to DLC4 | ✅ | ✅ |
| Pre-order bonuses | Usually included | Paid |
| Crashes on startup | Rare (fix: run as admin, disable fullscreen optimizations) | None |
| Controller support | Works (XInput/DirectInput) | Full |
Known fixes:
