![A while ago I was celebrating my friend's birthday, so I decorated his present to look like a companion cube and gave him “propulsion gel” (blue slime). He loved it :) : A while ago I was celebrating my friend's birthday, so I decorated his present to look like a companion cube and gave him “propulsion gel” (blue slime). He loved it :) :](https://i.redd.it/k85qv7np5eh51.jpg)
A while ago I was celebrating my friend's birthday, so I decorated his present to look like a companion cube and gave him “propulsion gel” (blue slime). He loved it :) :
![Propulsion Gel Fun- Portal 2 by LaggyCreations.deviantart.com on @deviantART | Portal 2, Portal, Portal game Propulsion Gel Fun- Portal 2 by LaggyCreations.deviantart.com on @deviantART | Portal 2, Portal, Portal game](https://i.pinimg.com/originals/20/2d/61/202d619bd3bcf0119d912df9a09e29d6.png)
Propulsion Gel Fun- Portal 2 by LaggyCreations.deviantart.com on @deviantART | Portal 2, Portal, Portal game
![credits to u/parappaisadoctor for giving me the genius idea and inspiration for the Propulsion and Repulsion contrails in a (im)possible collab with portal : r/FortNiteBR credits to u/parappaisadoctor for giving me the genius idea and inspiration for the Propulsion and Repulsion contrails in a (im)possible collab with portal : r/FortNiteBR](https://preview.redd.it/credits-to-u-parappaisadoctor-for-giving-me-the-genius-idea-v0-ltv5xtgycxmb1.png?auto=webp&s=1ab23660c6cf8b17eddf0ba0d6c8c30d34ec74f2)