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[Aprilgold]

Amnesia the Dark Descent. You can't kill, YOU RUN *****!
Minecraft. I'm killing the undead, not people.
Left 4 Dead games. Killing the undead again.
Dungeon Defenders. Monsters.
Trilby: The Art of Theft. Knocking guys out, not killing.
Worms Reloaded. Killing Worms.
Little Big Planet. You can't kill people.
Killing Floor. Monsters.
Terraria Single Player. Monsters.
Trauma. There is zero killing.
Super Meat Boy. They don't resemble people and a fetus can't exactly feel pain, but this is questionable on the NO KILLING PEOPLE thing.
Ghostbusters the Video Game. Its ghost killing and capturing.
Deadspace Games. Their alien zombies.
Pong. Its tennis.

And many more.

Probably Katamari Damacy.

Actually, you kill people by suffocation and then by combusting them into a star if they live long enough.

Amnesia...because you can't kill anything, I think.

You do torture and kill a guy close to the end so please try again =)

Actually, his body is just a vessel for his soul, he does mention that this isn't his body. Its not killing, in the traditional sense, as it is taking his soul with you.

 

[Smeggs]

But if not that, then probably From Dust

You managed to get through the whole campaign without once allowing your worshippers to drown or be fried by lava?

Are you some kind of wizard?

 

[TheYellowCellPhone]

Uh... Pokemon? Everyone faints, but doesn't die.

 

[Lord Kloo]

Minecraftia, single player so its just me on creative peaceful mode building cathedrals to God's great super server in the sky..

Barring that, Spore.. they're not really people as the human race (probably, it'll be in the galaxy somewhere) doesn't exist and the only things I kill are my own damned creations and some nice fluffy dino creatures, in space, using planetary nukes..

And beyond that, well I like to pretend that the tanks in world of tanks are sentient beings with only a grudge to anyone bearing a neon red floaty name above their turret, especially the Russian tanks as in Russia, tank controls people..

 

[Bigbomb94]

Pushmo.

Your just pushing and pulling blocks. No killing there right?

 

[dessertmonkeyjk]

Anyone remember Guitar Hero? Something like that. Or maybe Commander Keen...

 

[Troublesome Lagomorph]

Limbo- wait, never mind.
Does the violence have to be interactive? If not, then Fate/Stay Night.

 

[Haratu]

Does Civilization count if I try for a diplomatic victory? If so then that is it.

 

[robert01]

Fallout: New Vegas.

Game objective, getting past the main menu.

 

[Stealthygamer]

Frozen Synapse, Hey they are digital constructs, not people

 

[stygN]

Does minesweeper count..? Apart from that I don't think I've played a game without death for a little while.. Some random puzzle flash game then. Like, making water flow from one end of a map to the other, with limited pipes to lead the water..

 

[Korolev]

Not counting flash and web-based games, the last game I played that did not involve killing anyone would be Portal 2.

 

[primodummy]

Little big planet! It makes me rage more than any game could...

 

[ffs-dontcare]

I'm going to have to answer with Uru: Complete Chronicles.

 

[Blind marskman]

Portal 2

 

[WindKnight]

I think it might have been forza 3. I usually check back once in a while to see the car art.

currently playing through that, so thats my answer

 

[mjc0961]

Last night I played The Legend of Zelda, so that. You don't kill people, you kill monsters.

 

[idarkphoenixi]

Trine 2...unless Goblins count as people.

 

[Doctor Glocktor]

Pokemon White.

 

[Bruenin]

Minecraft!
No matter what anyone says pigs are not people...
or cows...
or chickens...
or skeletons...
or zombies...
or an exploding penis