I created own fangem
it's free

and you can share to facebook
or friends

you can tell merg he can play this game but not now I think when will be more.

this game is tested so no bugs.

sorry for long waiting!!
this game has no longer updates, but still I working on my game
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HERE'IS SAME GAME
https://gamejolt.com/games/sans_undereasy/791961
there will be new fiture

my new game from micalaty65 Czech

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https://www.youtube.com/channel/UC0QQAwYxhfHGKXUnz18f81A

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easy expert fight sans

https://gamejolt.com/games/easyfightsans/650526

In two weeks, the early start of the demo game begins?

sans, boss fight

you have to wait a month----------no

it only takes two weeks------------yes

game development will begin in a month-----no