Has GM ever been on sale before?

I want to buy it for a long time now but it doesn't seem to be ever on sale so I wanted to ask if it's ever been on sale before. I don't want to pay the full price...

I don't recall ever seeing it on sale personally, then again I was a few years late to the party.

Yes gmod goes on sale during most large steam sales

goes on sale to 5 bucks during steam sales

Summer- or Wintersale are reducing Gmod every Year.

yup during summer and winter :p

There's alot of sales, but if you want a alternative account you could just family share.

yes it was, I think I bought it when it was on either spring sale or summer sale, I forgot which one but this did happen a couple years ago. It cost me around 3-6 as far as I can remember. Totally worth it though

Best way to check when the game was onsale is on SteamDB (https://steamdb.info/app/4000/)

It usually is on sale during holidays and various steam events (summer sale, Chinese new year etc.)

yes. you can buy gmod on winter and summer sales.