[com2kid]

> Need to clear a dungeon? Divert the nearest river to flood it and then use some other means (magical) to clear out the water.

In a future setting (Eclipse Phase), the party was sent out to investigate rumors of a downed spaceship.

We bought a rover, bought a wagon to go behind the rover. Filled it up with the setting's equivalent of C4. The GM tried to stop us on route, we planned very far and ended up hauling the trailer by hand (the rover got destroyed by a landmine, we specified a 10m rope between the rover and the wagon full of explosives just for such an occasion, the GM had forgotten about that, we didn't, we wrote it down).

We kept lobbing explosives into the ship (low G) until bits of alien started flying out. The GM looked... a bit sad.

High lethality games encourage creative problem solving.