Undertale cheats

Trainers and cheats for Steam


5 options

  • Unlimited Health
  • Max Attack
  • Max Defense
  • Add 1K Gold
  • Add 1K XP

Our Undertale trainer has over 5 cheats and supports Steam. Cheat in this game and more with the WeMod app!

26,868 WeMod members play this game.

Learn more about WeMod

Undertale cheats screenshot Screenshot
Demo video preview Gameplay video
Download for Windows 75 MB Open our website on a Windows PC to download the app
Demo video preview Gameplay video
May 1, 2020
Game Version
Windows 10, Windows 8.1, Windows 7
May 1, 2020
Game Version
Windows 10, Windows 8.1, Windows 7

This sounds too good to be true, is it?

WeMod is free to use because of the members that choose to support us.
Check out our reviews on Trustpilot.

How do I use the cheats in Undertale?
WeMod will safely display all of the games on your PC. Open a game from the list and simply press play. After the game loads and once you’re in-game, you can start enabling different cheats!
Will this work with my game version?
WeMod uses advanced technology to detect the game version you’re running and will let you know if it’s supported. If it’s not, you will still have the option of giving it a try or requesting an update!


MinimalBerry986 14 Apr
the game was sooooo much easier thanks to wemod i dont know what i would be without it my life shall NEVER be the same again. my life revolves aroun gaming and with wemod u didnt just make my game easier u made my life easier:)
IntensePig285 13 Mar
make it so the boss fights work
K1ngOfficials 13 Mar
It loaded up just fine, didn't have time to use the mods, i'll do that another time!
RelativeRail728 13 Mar
love it but exp doesnt count as a genoicide run
RebornLegend71 6 Mar
Pretty nice like all other games with wemod
Banana_Man_1_2_3 2 Mar
Very coll that you don't have to pay for the hacks :) 👍
HotPlayer69 2 Mar
the best hack ever but you need no clip and more monsters popping in your face bc if you would do the genocide it will still be hard
theendisnear666 28 Feb
thanks a lot i killed omega flowey.
ItsLordEntity 25 Feb
great, now i can have fun!
FearKenshin 24 Feb
It was fun to mess around with
ImmuneBucket332 23 Feb
it sucks because inf hp does not work when fighting omega flowey
HelpfulZebra566 22 Feb
OMG This WeMod is so amazing it was.. it was... im so speechless this is so amazing for my games Thank yo so much developers.
StunningMask929 22 Feb
Thank you for providing this experience! I couldn't of gotten past the bosses without this!
Gothicgamerchic112 22 Feb
thanks for making it easier to do that\
LikelyBellaDog795 19 Feb
Cool game on this I recomaend
Oofram 17 Feb
Great hacks helped me beat sans XD
UltimateCheetah193 16 Feb
it worked that's it. It was good
epicundyne221 15 Feb
Thanks for adding cheats to undertale! this was the best.
PleasantMouse749 11 Feb
it dont work for omega flowey
Foxy7363 11 Feb
Sans is actually alot eaiser now uwu
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