# Multiplayer with hardware and blocks?

**URL:** <https://forum.makecode.com/t/multiplayer-with-hardware-and-blocks/1171>\
**Category:** Arcade\
**Created:** [February 8, 2020, 5:57pm UTC](https://forum.makecode.com/t/multiplayer-with-hardware-and-blocks/1171 "2020-02-08T17:57:02Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![richard](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/richard/32/5417_2.png) [@richard](https://forum.makecode.com/u/richard)\
**Post date:** [February 12, 2020, 11:03pm UTC](https://forum.makecode.com/t/multiplayer-with-hardware-and-blocks/1171/7 "2020-02-12T23:03:39Z")

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@EnteroPositivo you can usually detect whether or not you are in simulator by checking the available RAM so that the user doesn’t need to remember to flip that switch.

I think internally we use `control.ramSize() > 1024 * 200` to check if we are in the sim

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