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CPU is the system in Robocraft that limits the number of cubes a robot can control at once. If a cube placement would take a robot over a players current CPU limit, then that placement will be rejected and will not be placed on the Robot. All players have an equal amount of 2000 CPU to work with regardless of their level since the Fast and Formidable update. CPU also links to the amount of energy your bot can use, where increase in CPU usage decreases max energy available.


The strength of a robot's CPU (Central Processing Unit) is expressed in the number of pFLOPS (Peta-FLoating-point Operations Per Second), which in turn is a measurement of computer performance. The more CPU you assign to a bot, the less energy it can use.

The only way to increase player Levels is by gaining experience after a match, where experience is gained by dealing damge, healing allies, destroying protonium crystals, spotting, etc. Increasing your player level used to increase the amount of CPU available.

How to check your CPU usage

While in your garage, look to the Bottom of your screen. You will see an energy bar to the left and the CPU bar to the right.


  • In real life, FLOPS (an abbreviation for FLoating-point Operations Per Second) is a measurement of a computer's speed. 1 PFLOPS is equivalent to 1,000,000,000,000,000 floating-point calculations per second.
  • As of June 10, 2013, the world's fastest supercomputer could only reach speeds of 33.86 PFLOPS.
  • Though this is likely a typo, pFLOPS with a lower-case p means picoFLOPS. A computer with a speed of 1 PicoFLOPS performs 1 calculation every trillion seconds (over 31,000 years). This would mean it would be the worst computer ever made. The "p" may also stand for part.