- How do Protoss reproduce?
- Have you decided whether the StarCraft add-on packs, Insurrection and Retribution, are canon?
- How powerful are hybrids? In Wings of Liberty, a single hybrid mind-controlled an entire protoss force. In the Flashpoint novel, Kerrigan beat several hybrids single-handedly.
- Do the xel'naga or dark voice care about other galaxies? If the dark voice wins, would other races in other galaxies notice, or are their actions on a more provincial scale?
- How safe are the Protoss on Shakuras with their Xel'Naga temple? Are they guaranteed protection from the zerg, or was the temple a one-time-use?
- How do communications i.e. transmissions work in StarCraft? Do any of the races or factions use faster-than-light communications?
- What exactly is the "shadow essence" of a Protoss warrior according to the Stalker's Starcraft II page? How does this differ from dragoons?
- If immortals are a dying breed then what is done with fallen khalai warriors now?
- How exactly do Zerg assimilate other species? Do the Larvae still burrow into the host's spine or does the Overlord do all the work, as mentioned in The Dark Templar Saga: Shadow Hunters?
- How did Kerrigan hop from planet to planet in Brood War? Does she open wormholes herself, or does she utilize some other means of faster-than-light travel?
- What exactly is the cosmic energy matrix that emanates from planets such as Aiur or Shakuras?
- Is there an actual explanation as to why any combination of two high or dark templar create an archon?
- Can marines really shoot down a battlecruiser or carrier? Or is this just for gameplay?
- Do Missile Turrets have operators?
- Before Fenix was placed in a dragoon, was he dead or just on the brink of death? Do Protoss use artificial prostheses if they don't want to become a dragoon/immortal?
- Why did Zeratul not learn about the dark voice when he touched minds with the Overmind in StarCraft, even though he learned about the xel'naga and why the Overmind came to destroy the protoss?
- In several StarCraft novels, terrans can don their marine suits by themselves. In the cinematic trailer for StarCraft II, Tychus Findlay is fit in his suit by machinery. Are both methods canonical?