One of my characters is in the middle of what was originally thought to be an infiltration but has turned into an all out assault (so we're being paid twice; once to extract a target, and once to retake the facility while extracting said target. Assuming we can slip the guy out past our allies). Here's the stuff we brought:
Large crate (for stealing a nexus full of corporate secrets, to be decrypted later in the comfort of our bus/mobile home).
A large crate's worth of defective Bust-a-moves dolls obtained cheaply from the Johnson, their defective programming replaced with a very simple OS with only two instructions: to wander around freely through the facility full of dangerous projects and sensitive research, and to call out, "ooo, what does THIS button do!?"
Two Nissan Doberman drones equipped with a laser rifle and a squirt gun (both given to us by our allies, since we're the ones dumb enough to enter the place). Squirt gun filled with chemicals that burst into flame on contact with the air (the hostiles are vulnerable to fire and lasers, we learned that much at the front gate when we incapacitated a few with the mage's overcast Orgy spell and then did a little...experimenting).
A "biodrone" in the form of our team's Sammie, a Ghoul biosculpted to look like an anthromorphic dragoness, being both heavily armored enough to be a good meatshield for the rest of us, and armed with an assault rifle with an underbarrel grenade launcher with white phosphorous grenades.
A mage with high Assensing and a variety of useful manipulation spells.
A willingness to think in ways that defy common sense, logic, and morality.
So far the GM has expressed considerable admiration of our ability to survive the situation. He hadn't actually expected us to get this far through the adventure so quickly.
(Though I will note that we left the crate outside. The hostiles have the power to infect drones and machines and turn them into hostile technomagical monster things. So it's no good letting the drones wander about, alas. I'll have to save them for next time. Maybe upgrade their programming to be more versaitile)
