The Batman: Arkham Knight PS4 bundle can be had for just $370 on eBay.

Green Man Gaming's summer sale continues, offering discounted prices plus an additional 20 percent off when you use the promo code GMGSUM-MERSAL-E20OFF. Certain purchases come with a free "mystery game," including the Valve Complete Pack for $20 and the BioShock Triple Pack for $14.

Walmart is selling the Halo Master Chief Collection Xbox One bundle with a free second controller for $349. You also get a free copy of Watch Dogs, Titanfall, NBA Live 14, or Rabbids Invasion, or you can pay a bit more to replace it with Battlefield 4 ($5), Evolve ($20), Diablo III: Ultimate Evil Edition ($20), Need for Speed: Rivals - Complete Edition ($20), Battlefield Hardline ($30), or Batman: Arkham Knight ($30).

The Legend of Zelda: Wind Waker HD is $39 at Amazon and Walmart.

GOG's weekend sale has quite a lot of solid games for cheap, including Wasteland 2 for $20, Luftrausers for $2.49, Risk of Rain for $2.49, Pillars of Eternity for $30, and much more.

You can preorder a number of games through Dell and receive either a $15 or $25 gift card: Metal Gear Solid V: The Phantom Pain ($25), Mad Max ($15), Rare Replay ($15), and Until Dawn ($15).

At Best Buy, all Disney Infinity single figures are marked down to $10.

Below you'll find the rest of today's best deals divided by platform.

PlayStation 4

Buying a PS4 at Best Buy this week gets you a free PlayStation Silver wired headset and allows you to save $5 on a 12-month PlayStation Plus subscription and $10 on a DualShock 4.

Gamers Club Unlocked members can save $20 or more on a few PS4 games at Best Buy right now, including MLB 15: The Show for $16, The Order: 1886 for $16, and Bloodborne for $32.

The standalone version of The Last of Us' Left Behind DLC is just $5 on the PlayStation Store.

The PlayStation Store has a sale centered around fighting games going on. The list of discounted games includes Mortal Kombat X, Ultra Street Fighter IV, and Guilty Gear Xrd.

Other PS4 game deals:

• Batman: Arkham Knight -- $52 (Costco)
• The Elder Scrolls Online: Tamriel Unlimited -- $40 (Best Buy)
• Project Cars -- $50 (Amazon)
• Mortal Kombat X -- $40 (Walmart) / $40 (GameStop)
• Bloodborne -- $40 (Amazon)
• Guilty Gear Xrd Sign -- $32.50 (Amazon)
• Devil May Cry: Definitive Edition -- $30 (Amazon)
• Driveclub -- $20 (Walmart)
• MLB 15: The Show -- $40 (Amazon) / $40 (Best Buy) / $40 (GameStop)
• Dead or Alive 5: Last Round -- $33.37 (Amazon)
• Battlefield Hardline -- $43 (Amazon)
• Dark Souls II: Scholar of the First Sin -- $43 (Amazon) / $40 (Best Buy)
• Resident Evil: Revelations 2 -- $28 (Amazon)
• Far Cry 4 -- $20 (Amazon) / $20 (Target) / $20 (GameStop)
• The Order: 1886 -- $38 (Amazon)
• Final Fantasy Type-0 HD -- $39.53 (Amazon) / $40 (Best Buy)
• Rayman Legends -- $20 (Best Buy)
• LittleBigPlanet 3 -- $40 (Amazon)
• Diablo III: Ultimate Evil Edition -- $30 (Amazon)
• Final Fantasy XIV -- $26.88 (Amazon)
• Evolve -- $30 (Amazon) / $35 (Best Buy)
• Grand Theft Auto V -- $49 (Amazon)
• Call of Duty: Advanced Warfare -- $32 (Amazon)
• Dying Light -- $30 (Walmart)
• Dragon Age: Inquisition -- $30 (Amazon) / $30 (Best Buy)
• Alien: Isolation -- $22 (Amazon)
• The Crew -- $30 (Amazon)
• Destiny -- $31 (Amazon) / $20 (GameStop)
• WWE 2K15 -- $30 (Amazon) / $30 (Target)
• NHL 15 -- $25 (Target)
• Madden NFL 15 -- $26 (Amazon) / $25 (Target)
• FIFA 15 -- $25 (Target)
• EA Sports UFC -- $25 (Amazon) / $25 (Target)
• Middle-earth: Shadow of Mordor -- $30 (Amazon)
• Infamous: Second Son -- $30 (Amazon)
• Watch Dogs -- $16 (Amazon)
• Assassin's Creed: Unity -- $19 (Amazon)
• Killzone: Shadow Fall -- $23 (Amazon)
• The Last of Us Remastered -- $14.44 (Amazon)
• NBA 2K15 -- $29.49 (Amazon)
• The Evil Within -- $40 (Amazon)
• Disney Infinity 2.0 Toy Box Starter Pack -- $28 (Amazon)
• Disney Infinity 2.0 Marvel Super Heroes Starter Pack -- $33 (Amazon)

The free PlayStation Plus games for July are now available and include Rocket League and Styx: Master of Shadows.

Xbox One

Get a free copy of Assassin's Creed: Unity with the purchase of an Xbox One at the Microsoft Store (500 GB/1 TB).

Buy Rory McIlroy PGA Tour at Best Buy and save $10 on an Xbox One controller.

You can buy a year of Xbox Live Gold on eBay for $37.

This week's Deals With Gold include offers for games like Tomb Raider: Definitive Edition, Battlefield 4, and RBI Baseball 15.

Other Xbox One game deals:

• Batman: Arkham Knight -- $55 (Amazon) / $52 (Costco)
• The Elder Scrolls Online: Tamriel Unlimited -- $40 (Best Buy)
• Project Cars -- $50 (Amazon)
• Mortal Kombat X -- $40 (Amazon) / $42 (Walmart) / $40 (GameStop)
• Sunset Overdrive -- $30 (Amazon)
• Dark Souls II: Scholar of the First Sin -- $40 (Amazon) / $40 (Best Buy)
• Evolve -- $30 (Amazon) / $35 (Best Buy)
• Borderlands: The Handsome Collection -- $40 (Amazon)
• Battlefield Hardline -- $41 (Amazon)
• Final Fantasy Type-0 HD -- $33 (Amazon) / $40 (Best Buy)
• Resident Evil: Revelations 2 -- $28 (Amazon)
• Devil May Cry: Definitive Edition -- $30 (Amazon)
• Saints Row IV Re-Elected + Gat Out of Hell -- $31.26 (Amazon)
• Dead Rising 3: Apocalypse Edition -- $25 (Amazon)
• Far Cry 4 -- $20 (Amazon) / $20 (Target) / $20 (GameStop)
• Fantasia: Music Evolved -- $15 (Amazon) / $15 (Walmart)
• Tomb Raider: Definitive Edition -- $15 (Microsoft Store)
• The Walking Dead: Season Two -- $13 (Microsoft Store)
• Dead or Alive 5: Last Round -- $33 (Amazon) / $34 (Walmart)
• Diablo III: Ultimate Evil Edition -- $45 (Amazon)
• Alien: Isolation -- $25 (Amazon)
• Destiny -- $33 (Amazon) / $20 (GameStop)
• Plants vs. Zombies: Garden Warfare -- $12 (Microsoft Store)
• Call of Duty: Advanced Warfare -- $42 (Amazon)
• The Evil Within -- $29 (Amazon)
• Dying Light -- $30 (Amazon) / $30 (Walmart)
• Dragon Age: Inquisition -- $25.69 (Amazon) / $30 (Best Buy)
• Halo: The Master Chief Collection -- $34 (Amazon)
• NBA 2K15 -- $29 (Amazon)
• EA Sports UFC -- $21 (Amazon) / $10 (Microsoft Store) / $25 (Target)
• NHL 15 -- $38 (Amazon) / $25 (Target)
• Madden NFL 15 -- $25 (Target)
• FIFA 15 -- $27.64 (Amazon) / $25 (Target)
• WWE 2K15 -- $30 (Amazon) / $30 (Target)
• The Crew -- $30 (Amazon)
• Disney Infinity 2.0 Toy Box Starter Pack -- $29 (Amazon)
• Ryse: Son of Rome - Legendary Edition -- $25.37 (Amazon)
• Assassin's Creed: Unity -- $19.49 (Amazon)
• Watch Dogs -- $19.49 (Amazon)
• Middle-earth: Shadow of Mordor -- $31.74 (Amazon)
• Wolfenstein: The New Order -- $25.24 (Amazon) / $15 (Microsoft Store)

July's free Games With Gold games are now available and include Assassin's Creed IV: Black Flag and So Many Me.

PC

The latest Humble Bundle consists of a few games, but primarily focuses on game-making tools.

The new Humble Weekly Bundle features now-completed games that were funded through Kickstarter, including Guns of Icarus Online and Among the Sleep.

You can play Ultra Street Fighter IV on Steam for free this weekend, and then pick it up for cheap.

If you have a free Green Man Gaming account, you can access the VIP area of the site where you can find some nice deals, including SimCity for $10, Dark Souls II: Scholar of the First Sin for $25, and Project Cars for $35.

Zuma's Revenge is free on Origin.

Other PC game deals:

• Pillars of Eternity: Hero Edition -- $30 (GOG) / $30 (Humble Store)
• Wasteland 2 -- $20 (GOG)
• Cities: Skylines -- $20 (Humble Store)
• Alien: Isolation -- $12.49 (Steam)
• Age of Wonders III -- $13.39 (GOG)
• The Elder Scrolls Online: Tamriel Unlimited -- $40 (Best Buy)
• Master Reboot -- $6 (Steam)
• Batman: Arkham Origins -- $12 (Amazon)
• Aliens vs. Predator -- $3.74 (Steam)
• Psychonauts -- $2.49 (GOG)
• Luftrausers -- $2.49 (GOG)
• Risk of Rain -- $2.49 (GOG)
• The Longest Journey -- $4 (GOG)
• Diablo III -- $25 (Amazon)
• Diablo III: Reaper of Souls -- $26 (Amazon)
• StarCraft II: Battle Chest -- $22 (Amazon) / $24 (Best Buy)
• Tropico 5 -- $24 (Amazon)
• Dying Light -- $48 (Amazon) / $35 (Walmart)
• South Park: The Stick of Truth -- $18 (Amazon)
• Battlefield Hardline -- $33 (Amazon)
• The Crew -- $30 (Steam)
• Assassin's Creed Rogue -- $30 (Amazon)
• Evolve -- $28.50 (Amazon) / $35 (Best Buy)
• Watch Dogs -- $10 (Amazon) / $12 (Best Buy)
• Dragon Age: Inquisition -- $27.83 (Amazon) / $30 (Best Buy)
• Assassin's Creed IV: Black Flag -- $16 (Amazon)

Wii U

If you don't mind a refurbished system, Nintendo's online store has a Wii U bundle with Nintendo Land for $200, or Nintendo Land and Super Mario 3D World for $225.

The eShop has an indie game sale going on, discounting Shantae and the Pirate's Curse to $8, Guacamelee to $6, Runner 2 to $6, and more.

• The Legend of Zelda: Wind Waker HD -- $39 (Amazon) / $39 (Walmart)
• Bayonetta 2 -- $45 (GameStop)
• Captain Toad: Treasure Tracker -- $32.60 (Amazon) / $32.60 (Walmart)
• The Wonderful 101 -- $30 (Nintendo Store)
• ZombiU -- $9 (Best Buy)
• Rayman Legends -- $17 (Walmart)
• Donkey Kong Country: Tropical Freeze -- $40 (Amazon)
• Deus Ex: Human Revolution Director's Cut -- $14 (Amazon)
• Epic Mickey 2: The Power of Two -- $11.39 (Amazon)
• Hyrule Warriors -- $49 (Amazon)
• Batman: Arkham City Armored Edition -- $14 (Amazon)
• Watch Dogs -- $18 (Amazon)
• Sonic All-Stars Racing Transformed -- $20 (Amazon)
• Scribblenauts Unlimited -- $16 (Amazon)
• Transformers Prime: The Game -- $12 (Amazon)

3DS

Walmart is offering a New 3DS XL bundle with Super Smash Bros. for 3DS and your choice of select Amiibo figurines for $239.

At GameStop, you can get a new Nintendo 3DS XL for just $100 when you trade in a qualifying system.

This week's eShop sale features deals like Persona Q for $30, Etrian Mystery Dungeon for $30, and Etrian Odyssey IV for $15.

• Mario Party: Island Tour -- $26 (Amazon) / $24 (Best Buy)
• Kingdom Hearts: Dream Drop Distance -- $20 (Walmart)
• Shin Megami Tensei: Devil Survivor 2 - Record Breaker -- $41.07 (Amazon)
• Pokemon Alpha Sapphire -- $30 with bonus figure (Walmart)
• Pokemon Omega Ruby -- $30 with bonus figure (Walmart)
• Pokemon Y -- $30 (Amazon)
• Pokemon X -- $34 (Amazon)
• Steel Diver -- $6 (Best Buy)
• Batman: Arkham Origins Blackgate -- $11.67 (Walmart)
• Scribblenauts Unlimited -- $8 (Best Buy)
• Epic Mickey: Power of Illusion -- $12.55 (Amazon)
• Code Name: Steam -- $26 (Amazon)
• Crosswords Plus -- $6 (Best Buy)
• Lego Marvel Super Heroes -- $15 (Amazon)
• Conception II: Children of the Seven Stars -- $22.42 (Amazon)
• Sonic All-Stars Racing Transformed -- $22.40 (Amazon)
• Hometown Story -- $15 (Amazon)

PlayStation Vita

The PlayStation TV is available for $40 at Best Buy and GameStop.

The PlayStation Store's superhero sale also includes some Vita games, including Injustice: Gods Among Us for $12, Mega Man Maverick Hunter X for $4, and Batman: Arkham Origins Blackgate for $10.

• God of War Collection -- $25 (Amazon)
• Persona 4: Golden -- $20 (Amazon)
• Gravity Rush -- $18 (Amazon)
• Sly Cooper: Thieves in Time -- $5 (Best Buy)
• Freedom Wars -- $15 (Amazon) / $15 (Best Buy)
• The Wolf Among Us -- $13 (Amazon) / $15 (Best Buy)
• Borderlands 2 -- $20 (Amazon) / $20 (Best Buy)
• The Walking Dead: Season Two -- $15 (Best Buy)
• Mind Zero -- $22 (Amazon)
• Sonic and All-Stars Racing Transformed -- $18 (Amazon)
• Hatsune Miku: Project Diva F 2nd -- $22 (Amazon)
• Xblaze Code: Embryo -- $20 (Amazon)
• Arcana Heart 3: Love Max -- $20 (Amazon)
• Conception II: Children of the Seven Stars -- $21.45 (Amazon)
• Resistance: Burning Skies -- $5 (Best Buy)
• Hot Shots Golf: World Invitational -- $10 (Amazon)
• 16GB Memory Card -- $40 (Amazon)
• 32GB Memory Card -- $65 (Amazon)

The free PlayStation Plus games for July are now available and include Geometry Wars 3 and Entwined.

Hardware

• PowerA Charging Station for Xbox One -- $30 (Best Buy)
• PDP PS4 Afterglow Kral Wireless Headset -- $70 (Best Buy)
• PDP Xbox One Afterglow Karga Wired Headset -- $70 (Best Buy)
• PlayStation 4 Camera -- $45 (Amazon) / $45 (Walmart)
• Logitech G402 Hyperion Fury Gaming Mouse -- $40 (Amazon)
• Logitech G502 Proteus Core Gaming Mouse -- $58 (Amazon)
• Logitech G602 Wireless Gaming Mouse -- $50 (Amazon)
• Logitech G700s Gaming Mouse -- $61 (Amazon)
• Wireless Xbox 360 Controller for Windows -- $39 (Amazon)
• Wired Xbox 360 Controller for Windows -- $28 (Amazon)
• Black Xbox One Wireless Controller -- $49 (Amazon)
• PlayStation Gold Wireless Stereo Headset -- $80.49 (Amazon)
• PlayStation Silver Wired Stereo Headset -- $25 (Amazon)
• Turtle Beach Ear Force PX22 Amplified Universal Gaming Headset -- $56 (Amazon)
• Logitech Wireless Gaming Headset G930 -- $88 (Amazon)
• Free Silver Headset with purchase of any PS4 console (Best Buy)
• Save $10 on a PS4 DualShock 4 controller when you buy a new PS4 console (Best Buy)
• Save $10 on an Xbox One controller with the purchase of Rory McIlroy PGA Tour (Best Buy)

Amazon prices are accurate as of publishing, but can fluctuate occasionally throughout the day.

GameSpot's gaming deals posts always highlight the best deals we can find regardless of retailer. We also occasionally use retailer affiliate links, which means that purchasing goods through those links helps support all the great content (including the deals posts) you find for free here on the site.