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Achievement Difficulty: (10 being the hardest)

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Incomplete Games
 
11eyes CrossOver (23 secret)
Incomplete Achievements: #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, (23 in total)

50 Cent: Blood on the Sand (1 secret)
Incomplete Achievements: #46, (1 in total)

AC for Answer (3 secret)
Incomplete Achievements: #39, #40, #41, (3 in total)

Altered Beast
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

ARKANOID Live!
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Battle Fantasia (15 secret)
Incomplete Achievements: #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, (15 in total)

Battlestations Pacific (5 secret)
Incomplete Achievements: #1, #4, #5, #8, #15, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #34, #35, #36, #37, #40, #41, #46, #47, #48, #49, #50, (29 in total)

Blazing Birds
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Blitz: The League II (6 secret)
Incomplete Achievements: #45, #46, #47, #48, #49, #50, (6 in total)

Brothers in Arms: Hell's Highway (10 secret)
Incomplete Achievements: #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, (10 in total)

Brothers in Arms: Hells Highway (German) (10 secret)
Incomplete Achievements: #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, (10 in total)

Brothers in Arms: Hells Highway (Japanese) (10 secret)
Incomplete Achievements: #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, (10 in total)

Cabela's Dangerous Hunts 2009 (9 secret)
Incomplete Achievements: #13, #14, #15, #16, #17, #18, #19, #20, #21, (9 in total)

Call of Duty: World at War (2 secret)
Incomplete Achievements: #45, #46, (2 in total)

Command & Conquer 3: Kane's Wrath (3 secret)
Incomplete Achievements: #40, #42, #43, (3 in total)

CellFactor: Psychokinetic Wars
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Chaos: Head Noah (10 secret)
Incomplete Achievements: #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, (10 in total)

Chronicles of Riddick: Assault on Dark Athena (21 secret)
Incomplete Achievements: #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (21 in total)

Clannad (20 secret)
Incomplete Achievements: #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, (20 in total)

Comix Zone
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Crash Bandicoot: Mind Over Mutant (4 secret)
Incomplete Achievements: #45, #46, #47, #48, (4 in total)

Damnation (9 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, (38 in total)

Dead Space (8 secret)
Incomplete Achievements: #41, #42, #43, #44, #45, #46, #47, #48, (8 in total)

DEATHSMILES (16 secret)
Incomplete Achievements: #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, #51, #52, #53, #54, #55, #56, #57, #58, #59, #60, (25 in total)

Disney's Bolt (17 secret)
Incomplete Achievements: #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, (17 in total)

Don King Presents Prizefighter (10 secret)
Incomplete Achievements: #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, (10 in total)

Dragon Ball Z: Burst Limit (16 secret)
Incomplete Achievements: #22, #23, #24, #25, #26, #27, #28, #29, #31, #40, #41, #42, #43, #44, #45, #46, (16 in total)

Dynasty Warriors Gundam 2 (7 secret)
Incomplete Achievements: #24, #25, #26, #27, #28, #29, #30, (7 in total)

Eat Lead: The Return of Matt Hazard (21 secret)
Incomplete Achievements: #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (21 in total)

FaceBreaker (1 secret)
Incomplete Achievements: #27, (1 in total)

Feeding Frenzy 2: Shipwreck Showdown (3 secret)
Incomplete Achievements: #10, #11, #12, (3 in total)

FIFA 09 (17 secret)
Incomplete Achievements: #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, (17 in total)

Gel: Set & Match
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

銀河英雄伝説 (Ginga Eiyu Densetsu) (12 secret)
Incomplete Achievements: #7, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, (13 in total)

Golden Axe: Beast Rider (1 secret)
Incomplete Achievements: #40, (1 in total)

Guitar Hero: Metallica (25 secret)
Incomplete Achievements: #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (25 in total)

Guitar Hero: Smash Hits (13 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (50 in total)

Guitar Hero World Tour (25 secret)
Incomplete Achievements: #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (25 in total)

Gunstar Heroes
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Hail to the Chimp (7 secret)
Incomplete Achievements: #40, #41, #42, #43, #44, #45, #46, (7 in total)

Halo Wars (5 secret)
Incomplete Achievements: #46, #47, #48, #49, #50, (5 in total)

Harry Potter and the Half-Blood Prince (4 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, (43 in total)

Hasbro Family Game Night (2 secret)
Incomplete Achievements: #69, #70, (2 in total)

Hellboy: Science of Evil (4 secret)
Incomplete Achievements: #28, #29, #30, #31, (4 in total)

High School Musical 3: Senior Year DANCE! (4 secret)
Incomplete Achievements: #41, #42, #43, #44, (4 in total)

History Civil War: Secret Missions (1 secret)
Incomplete Achievements: #40, (1 in total)

Infinite Undiscovery (16 secret)
Incomplete Achievements: #48, #47, #46, #45, #43, #44, #42, #39, #40, #41, #38, #35, #36, #37, #49, #50, (16 in total)

Kengo: Legend of the 9 (9 secret)
Incomplete Achievements: #36, #37, #38, #39, #40, #41, #42, #43, #44, (9 in total)

King of Fighters '98: Ultimate Match
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Kung Fu Panda (14 secret)
Incomplete Achievements: #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, (14 in total)

Legendary (10 secret)
Incomplete Achievements: #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (10 in total)

Lord of the Rings: Conquest (2 secret)
Incomplete Achievements: #46, #47, (2 in total)

Madden NFL 09 (1 secret)
Incomplete Achievements: #25, (1 in total)

Marvel vs. Capcom 2
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Mercenaries 2: World in Flames (17 secret)
Incomplete Achievements: #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, (17 in total)

Mirror's Edge (2 secret)
Incomplete Achievements: #43, #44, (2 in total)

Major League Baseball 2K9 (7 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (50 in total)

MLB Front Office Manager
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, (25 in total)

Mobile Suit Gundam: Operation Troy (2 secret)
Incomplete Achievements: #24, #25, (2 in total)

Monsters vs. Aliens The Video Game (6 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, (45 in total)

Mortal Kombat vs DC Universe (3 secret)
Incomplete Achievements: #48, #49, #50, (3 in total)

MotoGP 08 (3 secret)
Incomplete Achievements: #45, #48, #49, #50, (4 in total)

Naruto: Rise of a Ninja
Incomplete Achievements: #36, #37, (2 in total)

Naruto The Broken Bond (20 secret)
Incomplete Achievements: #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, (20 in total)

NCAA Basketball 09 March Madness Edition
Incomplete Achievements: #1, #2, #3, #4, (4 in total)

NCAA Football 09 (1 secret)
Incomplete Achievements: #49, (1 in total)

NFL Head Coach 09 (2 secret)
Incomplete Achievements: #21, #22, (2 in total)

NHL 09 (1 secret)
Incomplete Achievements: #27, (1 in total)

Night at the Museum 2
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, (37 in total)

Ninja Blade (9 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (50 in total)

Onechanbara: Bikini Samurai Squad
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, (27 in total)

Otomedius G (6 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, (13 in total)

PDC World Championship Darts 2008 (2 secret)
Incomplete Achievements: #16, #46, #47, (3 in total)

Penny Arcade Adventures: Episode Two (1 secret)
Incomplete Achievements: #12, (1 in total)

Phantasy Star II
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Phantasy Star Universe (2 secret)
Incomplete Achievements: #12, #13, (2 in total)

Prince of Persia (8 secret)
Incomplete Achievements: #8, #35, #42, #43, #44, #45, #46, #47, #48, #49, #50, (11 in total)

Puzzle Quest: Galactrix
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Race Pro
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (50 in total)

Raiden IV (6 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, (47 in total)

R.B.I. Baseball
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Red Faction: Guerrilla
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (50 in total)

Resident Evil 5
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (50 in total)

Rise of the Argonauts (16 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, (45 in total)

Rock Band 2 (6 secret)
Incomplete Achievements: #45, #46, #47, #48, #49, #50, (6 in total)

Rock Band Classic Rock
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Rock Band Track Pack: AC/DC LIVE (2 secret)
Incomplete Achievements: #11, #12, (2 in total)

Rocket Riot
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Sacred 2 Fallen Angel (12 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, (48 in total)

Saints Row 2 (10 secret)
Incomplete Achievements: #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (10 in total)

Score International Baja 1000 (4 secret)
Incomplete Achievements: #23, #24, #25, #26, (4 in total)

Secret Service (3 secret)
Incomplete Achievements: #46, #47, #48, (3 in total)

Shellshock 2: Blood Trails
Incomplete Achievements: #1, #2, #3, #7, #8, #9, #10, #11, #12, #13, #17, #18, #19, #20, #21, #22, #23, #25, #28, #29, #30, #31, #32, #33, #35, #37, #39, (27 in total)

Shinobi
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Silent Hill: Homecoming (16 secret)
Incomplete Achievements: #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, (16 in total)

Skate 2 (1 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, (46 in total)

Ski-Doo Challenge (1 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, (23 in total)

Sonic's Ultimate Genesis Collection
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, (34 in total)

Sonic The Hedgehog 3
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Space Invaders Extreme
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Spider-Man: Web of Shadows (18 secret)
Incomplete Achievements: #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, (18 in total)

Star Ocean : The Last Hope (26 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (50 in total)

Star Trek D·A·C (1 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Star Wars: The Force Unleashed (12 secret)
Incomplete Achievements: #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #48, #48, #48, #48, #48, #48, (19 in total)

Stoked (3 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, (25 in total)

Stormrise (3 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, (43 in total)

Street Fighter IV
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, (48 in total)

Tales of Vesperia (35 secret)
Incomplete Achievements: #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (35 in total)

Texas Cheat 'Em
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

The Bourne Conspiracy (10 secret)
Incomplete Achievements: #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, (10 in total)

The Godfather II (8 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, (41 in total)

The Last Remnant (5 secret)
Incomplete Achievements: #18, #19, #20, #21, #22, (5 in total)

The Tale of Despereaux
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, (38 in total)

Tiger Woods PGA Tour 09 (2 secret)
Incomplete Achievements: #39, #40, (2 in total)

TNA iMPACT! (5 secret)
Incomplete Achievements: #30, #31, #32, #33, #34, (5 in total)

Tomb Raider: Underworld (7 secret)
Incomplete Achievements: #25, #26, #27, #28, #29, #30, #31, (7 in total)

Tom Clancy’s H.A.W.X
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (50 in total)

Too Human (21 secret)
Incomplete Achievements: #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (21 in total)

Trivial Pursuit (2 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, (34 in total)

UFC 2009 Undisputed (5 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, (30 in total)

Up (3 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, (42 in total)

Velvet Assassin (8 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, (45 in total)

Viva Piñata: Trouble in Paradise (21 secret)
Incomplete Achievements: #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (21 in total)

Wanted: Weapons of Fate
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (50 in total)

Warhammer 40,000: Dawn of War II
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, (49 in total)

Watchmen: The End is Nigh Part 2
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, (12 in total)

Wheelman
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (50 in total)

World Snooker Championship 2009
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, (46 in total)

WWE Legends of WrestleMania (2 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, (19 in total)

WWE SmackDown vs. Raw 2009 (4 secret)
Incomplete Achievements: #15, #16, #17, #18, (4 in total)

X-Blades
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, (37 in total)

X-Men Origins: Wolverine (11 secret)
Incomplete Achievements: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13, #14, #15, #16, #17, #18, #19, #20, #21, #22, #23, #24, #25, #26, #27, #28, #29, #30, #31, #32, #33, #34, #35, #36, #37, #38, #39, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, (50 in total)

In total, we have 813 secret achievements unidentified and 2488 achievements with incomplete images.