# Prevent Game from slowing down

**URL:** https://forum.makecode.com/t/prevent-game-from-slowing-down/45407
**Category:** Help
**Tags:** game
**Created:** [August 15, 2026, 6:15pm UTC](https://forum.makecode.com/t/prevent-game-from-slowing-down/45407 "2026-08-15T18:15:29Z")
**Posts on this page:** 6
**Page:** 1

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### Author: ![Mikey\_s.3000](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/mikey_s.3000/32/24839_2.png) [@Mikey\_s.3000](https://forum.makecode.com/u/Mikey_s.3000)
#### Post date: [August 15, 2026, 6:15pm UTC](https://forum.makecode.com/t/prevent-game-from-slowing-down/45407/1 "2026-08-15T18:15:29Z")

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My tab for makecode keeps crashing and freezing how can i fix this permanitly

 ![image](https://us1.discourse-cdn.com/flex020/uploads/makecode/original/3X/f/e/fe69b2ee7d5d1d8d9fc661fb6fc693510ca869a3.png)

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### Author: ![TheEarth](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/theearth/32/34579_2.png) [@TheEarth](https://forum.makecode.com/u/TheEarth)
#### Post date: [August 15, 2026, 8:09pm UTC](https://forum.makecode.com/t/prevent-game-from-slowing-down/45407/2 "2026-08-15T20:09:19Z")

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You can’t 💀

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### Author: ![Air](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/air/32/26413_2.png) [@Air](https://forum.makecode.com/u/Air)
#### Post date: [August 15, 2026, 8:12pm UTC](https://forum.makecode.com/t/prevent-game-from-slowing-down/45407/3 "2026-08-15T20:12:10Z")

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i wish i knew

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### Author: ![VoxelMaster64](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/voxelmaster64/32/32075_2.png) [@VoxelMaster64](https://forum.makecode.com/u/VoxelMaster64)
#### Post date: [August 15, 2026, 8:15pm UTC](https://forum.makecode.com/t/prevent-game-from-slowing-down/45407/4 "2026-08-15T20:15:19Z")

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maybe you have another device editing a project? Or another window?

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### Author: ![tmittib](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/tmittib/32/25646_2.png) [@tmittib](https://forum.makecode.com/u/tmittib)
#### Post date: [August 16, 2026, 11:57pm UTC](https://forum.makecode.com/t/prevent-game-from-slowing-down/45407/5 "2026-08-16T23:57:59Z")

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Seeing your image, you have another tab open making changes. The message means there will be a copy.

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### Author: ![WoofWoof](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/woofwoof/32/32523_2.png) [@WoofWoof](https://forum.makecode.com/u/WoofWoof)
#### Post date: [August 17, 2026, 3:14am UTC](https://forum.makecode.com/t/prevent-game-from-slowing-down/45407/6 "2026-08-17T03:14:38Z")

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Maybe something to do with the 50 Billion extensions you have added. Only add extensions that you actually need to use. I usually start a project with only a few extensions in mind, maybe Settings, Browser Events, and Mini Menu. That’s usually it. Don’t go adding random extensions that increase the load on your browser. Are you _really_ using Corgio? MakeyMakey?? Encoders??? Probably not. So don’t add them to your project.