When Ratchet reached the Planetary Defense Center, the cruiser, along with two Drophyd Gunships and two Drophyd Transport Ships, as well as a Drophyd Enforcer, ambushed him. The Lombax escaped on a Grind Rail.
The Gunships attempted to stop him, and he was almost killed by several Grav-Trains, but eventually Ratchet came to a platform in the middle of the city.
Two Drophyd Sentries and Drophyd Troopers surrounded the Lombax, and the ship landed. Tachyon emerged in his Giant Walking Throne. After talking to Tachyan, Ratchet knocked the walking down, crushing the sentries, then ran into the Cruiser.
Despite the Troopers' best efforts to shoot down the ship, Ratchet and Clank escaped in the ship. However, cryosleep was activated, putting Ratchet to sleep. A mechanical arm knocked out Clank. The Cruiser was destroyed when it crashed on Cobalia.
The cruiser was later repaired and reappeared during the final battle on Fastoon. Tachyon piloted the cruiser while talking to Ratchet, Clank, Talwyn Apogee, Cronk and Zephyr, then accidentally crashes it several times before leaving.
- Tachyon's Cruiser is much smaller than the Imperial Cruisers seen flying around Kerwan, Kortog, Viceron, and several other planets.