AR-K

A Skunk Cola machine from AR-K, featuring all three varieties (listed by addiction strength).
Obsessively Cataloging Video Game "Pop" Culture

A Skunk Cola machine from AR-K, featuring all three varieties (listed by addiction strength).

HULK SMASH SODA MACHINE! [Source]
Geist for GameCube — finally, a game that lets me turn into a ghost and possess a soda machine!
This whole sequence is a great example of Geist’s puzzle-solving gameplay. The protagonist possesses the soda machine, rattles it to shoot out some soda cans, dispossesses the machine, possesses one of the cans, rolls it across the room, and pops it open to freak out a scientist. Take a look…
TFW you witness an otherwise unassuming soda machine dragging someone through a portal to an alternate dimension. [Source]
Can I start a petition asking Blizzard to release a skin that transforms Bastion into a deadly soda machine robot? Thanks for the screenshot, @Sarcasmotron500!
Here’s an animated version of the Numbani soda machine…

I guess this soda machine from Airline Tycoon must sell Jolt Cola.

Soda machines from Metal Gear Rising: Revengeance. Thanks,@ki11deer!

A soda machine from a galaxy far, far away in LEGO Star Wars: The Force Awakens. [Source]

Revolution X, a 1994 rail shooter starring Aerosmith, makes what I can only assume is a vague attempt at satirizing consumer culture with this Choke Cola machine. According to lead guitarist Joe Perry’s pixelated in-game counterpart, the New Order Nation is sneaking dangerous chemicals into our food and drink as part of some ill-defined scheme to take over the world. Only you—and the band responsible for “I Don’t Want to Miss a Thing”—can stop them!
This screenshot is from the game’s PlayStation 1 release.

Zombies, schmombies! I want to know who broke into that soda machine.