As an engie main, here is my opinion on all engie weapons : r/tf2
TF2 Guide to Chosen Weapons
Steam Workshop::The Giger Counter
p3d.in - Giger Counter
The Giger Counter vs The Wrangler, Reskin Wars!, Season 6 Episode 5 [TF2] - YouTube
TheLizardLord on Twitter: "Played some #TF2 Today. Some capture the Flag, and I bought and opened some Invasion Crates and got both the Shooting Star and the Giger Counter. https://t.co/Tj4CT9yuq0" / Twitter
TF2 Item Origins: Engineer - YouTube
Giger Counter for Wrangler [Team Fortress 2] [Mods]
Lucky Luke on Twitter: "We're doing a giveaway! Win one of these items by entering via the link in the description of the Top10 #TF2 plays video coming out today. https://t.co/PUobocu7tA https://t.co/AxyNNo9p71" /
Giger Counter - Official TF2 Wiki | Official Team Fortress Wiki
My personal favorite Invasion workshop item. (along with the giger counter) Not by me of course. : r/tf2
Weapon Demonstration: Giger Counter - YouTube
Hey, what about the Engineer as Observer : r/tf2
Even though its a reskin, Im excited to have finally bought it. : r/tf2
Starduster - Official TF2 Wiki | Official Team Fortress Wiki