As a 3D mobile ARPG, Punishing Gray Raven is a rather demanding game. You can find out the system requirements for Punishing Gray Raven here.
The pre-download puts the game’s file size at 2.2 GB. However, like most gacha games, it is recommended that you have more space than that for future updates.
You may also refer to system requirements for the Chinese client of Punishing Gray Raven which were posted back in 2019 to have a better idea. Note that this is specific to Android devices only:
Punishing: Gray Raven is a fast-paced ultra-stylish Action-RPG.
Mankind is almost extinct. Earth has been conquered by a robotic army—the Corrupted—twisted and warped by a biomechanical virus known as The Punishing. The last survivors have fled into orbit, aboard the space station Babylonia. After years of preparation, the Gray Raven special forces unit leads the mission to reclaim their lost homeworld. You are their leader.
As commandant of the Gray Raven unit, you are tasked with assembling the greatest cyborg soldiers the world has known and lead them into battle. Unravel the dark truths behind the Punishing virus, push back the Corrupted and reclaim the Earth in this stylish Action-RPG.
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One of the last surviving breed of MacBook gamers, I have learnt to appreciate running games on the lowest graphics setting possible. Prone to crashing, both in-game and on the road. A fan of indie games, because I can't afford anything that is more expensive than a lunch. Follow me on Twitter or email me if you prefer.