A game in one word.

[The Night Shade]

DOOM-BOOM

 

[wooty]

Shogun 2 - Honourable
Valkyria Chronicles - Art (yeah, fuck you Ebert)
Assassins Creed (series) - Adventurous

and for a bonus
Day of Defeat source - pathetichitdetectionissues

 

[Rooster893]

F-Zero GX -- FUCK!

Daikatana -- crap.

Sonic Adventure 2 Battle -- Cheesy.

Super Smash Bros. Melee -- Intense.

Super Smash Bros. Brawl -- Fun.

F-Zero X -- Fast.

Oddworld: Abe's Exoddus -- Masterpiece.

Klonoa 2: Lunatea's Veil -- Awesome.

Dr. Mario -- Addicting.

Okami -- Beautiful.

 

[babinro]

Dead Space: Stomp!
Fallout 3: Glitches
Civilization 5: War
Dragon Age 2: Repetitive


While the above comments may come across as negative...I personally really enjoy all these games except Dead Space which I found playable, yet, disappointing.

 

[ClaytronJames]

Super Meat Boy - RAGE

 

[Rooster893]

StarFox Adventures:
HORRIBLE.

What was so bad about it? The only one in the series considered bad was Assault, and that wasnt even that bad either.

 

[Layzor]

Mass Effect 2- I'mCommanderShepardAndThisIsMyFavoriteStoreOnTheCitedal

 

[Valanthe]

Dragon Age Origins: ENCHANTMENT!

Damnit, Ninja'd!

Fine

Dragon Age 2: Not Enchantment!

wait that's two words... uhhh... "Boom!"

Alternatively:
Amnesia: The Dark Descent: OHMYGODOHMYGODOHMYGODIT'SGONNAEATME!!!!

 

[moose_man]

After this thread I propose: A GAME IN ONE LETTER!

Pokemon Black and White: N

 

[The Apothecarry]

Halo: Reach -- Multiplayer
Gears of War -- Horde

 

[Crimson King]

Deadly Premonition - "Uhhmmmm..."

 

[Popadoo]

I'm going to do the pile of games I'm looking at right now:

Red Dead Redemption - Tedious
LittleBigPlanet - Creative
Assassins Creed II - Climbable
Assassins Creed: Brotherhood - Climbabler
Uncharted 2 - Wonderful
Medal of Honor - Realistic
Borderlands - GUNS!
inFamous - Jumpy
Batman: Arkham Asylum - Gadgets
Singularity - Timewarp
ModNation Racers - Cartoony
Call of Duty: World at War - Another...
Enslaved - Voice-acting
FEAR 2 - Freaky
NFS: Hot Pursuit - SPEEEEEEEEEEDY
Castlevania: Lords of Shadow - POWER
Demons Souls - Rewarding
Oblivion - Boring
Mass Effect 2 - SPACESHIPS
Bulletstorm - Waggleton P. Tallylicker
Call of Duty: Black Ops - Multiplayer

 

[Zack Curran]

Crash Bandicoot: Spin!
Spyro 2: Whirlygig
Kingdom Hearts: KEY!!!!

 

[suubersnake]

Dragon Age 2 - Disconnected

 

[RandallJohn]

Okamiden: Doggy!

Pokemon series: Collection.

MvC series: Crossover.

Qwop: Derp.

 

[MisterM2402]

Thief - Taffer!

Spoiler

But OT:

Age of Empires - Wololo!
Grim Fandango - Skeletonoir (A portmanteau of "skeleton" and "film noir" - it doesn't technically count, but neither term was enough to describe it)
Majora's Mask - Masks (well duh!)
Ocarina of Time - Time-travel(?)
Team Fortress 2 - ka-BOOOOOOOOOOOOMMM!!!
Wind Waker - Ocean
A Link to the Past - Bunny
The Sims - Simlish

 

[MasterWhatever]

TF2 - Medic!

L4D - Pillzzzzz!

L4D2 - Keith

Doom - legendary

Manhunt - Snuff

Spelunky - Random

&

Demon's Souls/Super Meat Boy - FFFFFFFFFFFFUUUUUUUUUUUUU

All great games.

 

[Choppaduel]

MGS4: cut-scene OR mustache

LoZ:OoT: LISTEN!

 

[Headsprouter]

CHASM:The Rift - This rocket launcher looks suspiciously like a grenade launcher....

....gonna need to reduce that.

CHASM: The Rift - Obscure

That'll do.