Fallout Shelter

Fallout Shelter

53 ratings
How to: Change Game Resolution
By dimamatik
If you want to play in windowed mode, but your screenresolution is too large for this game.
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A little about game engine
If you are interested, this game was developed on Unity3d[unity3d.com] engine. So, most of those can be launched with command-line params, more about - see this manual[docs.unity3d.com]
To do
  1. Right-click on the game title under the Library in Steam and select Properties.
  2. Under the General tab click the Set launch options... button
  3. Write:
    -screen-width 1920 -screen-height 1080
    where 1920 and 1080 can be changed as you wish
  4. OK, Close and launch game!
At the end
Compare result:

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28 Comments
snowleopard696 12 May, 2024 @ 12:27pm 
i don't know what this says
scpOrigami 17 Dec, 2022 @ 7:09am 
Thank you! Game has no 1080p res by default.
movement is ass help 8 Mar, 2022 @ 1:42pm 
alright thank you :)
dimamatik  [author] 8 Mar, 2022 @ 9:47am 
"-screen-fullscreen 0"
this guide for Unity3d games only
movement is ass help 8 Mar, 2022 @ 9:10am 
do you have to put in -windowed into the launch options if its a fullscreen game?
danielgames 18 Jan, 2022 @ 1:25am 
thank you
i was looking for a fix for a good second
worked for OLDTV
Persona idiot 13 Aug, 2021 @ 8:52pm 
works on battlefront 2 classic
Grox 19 Jun, 2021 @ 6:16am 
Does not work on Dragon Quest 11 Definitive Edition.
Caustle 13 Apr, 2021 @ 9:26am 
Worked perfectly on Genshin Impact, thanks man!
dimamatik  [author] 11 Feb, 2021 @ 1:44am 
This method works only for this game AND possible for games developed by Unity Engine.