Best PS3 games, both well known or "hidden gems", anything goes.

[Turbo Kid]

Valkyria Cronicles
Ratchet and Clank: Tools of Destruction
Ratchet and Clank: Quest for Booty
Flower
Journey
Tokyo Jungle
Deception IV: Blood Ties/Nightmare Princess
Final Fantasy XIII
Sly Cooper: Thieves in Time
Mad Max
Odinsphere Leifthrasir
Puppeteer
Heavy Rain
Batman Arkham Asylum (with exclusive playable Joker)
Guacamelee
Ni no Kuni: Wrath of the White Witch
Prince of Persia
Sengoku Basara series
Dynasty Warriors 8
Warriors Orochi 3: Ultimate
Resogun
Tales from Space: About a Blob
Thomas Was Alone
Transformers: War for Cybertron
Valiant Hearts: The Great War
WWE All Stars

 

[Sunnyside]

PS3 ended up being my Musou Machine. Though to be fair it did receive the best entry in each respective series. It was a good time to be a Warriors fan.

Dynasty Warriors 8
Samurai Warriors 4
Warriors Orochi 3 Ultimate

 

[stealthRUSH stealthRUSH]

Tales of Xillia, 2
Lollipop Chainsaw
E.X. Troopers
The Last Guy

 

[Segadude113]

VIRTUA FIGHTER 5
BlazBlue
Fist of The North Star: Lost Paradise
Yakuza series
Crazy Taxi
Jet Set Radio
NiGHTS
Sonic Adventure DX
Sonic Adventure 2 Battle
Space Channel 5 Part 2
Daytona USA
VIRTUA FIGHTER 2
FIGHTING VIPERS
Sonic and Sega All Stars Racing
Sonic and Sega All Stars Racing Transformed
Ultimate Marvel Vs. Capcom 3
Mega Man 9
Mega Man 10
Street Fighter series
Kingdom Hearts 1.5
Kingdom Hearts 2.5
Valkyria Chronicles
House of The Dead 2 and 3
House of The Dead 4
House of The Dead Overkill