Gaming Deals: PC Game Summer Sales, $9 Mass Effect Trilogy, $304 Xbox One

GOG has kicked off its DRM-free summer sale, offering new PC games and bundles every day. By spending certain amounts over the course of the sale, you'll be able to get free games: SimCity 2000 ($1), Stalker: Clear Sky ($20), and Xenonauts ($50). Current deals include Super Time Force Ultra for $7.49, Telltale's Game of Thrones for $18, Jade Empire: Special Edition for $3, and a Lucasfilm adventure game bundle for $16.61.

Amazon has also kicked off a summer sale on digital games and DLC. Current PC deals include Assassin's Creed Rogue for $12.50, the Mass Effect Trilogy for $9, and Dark Souls: Prepare to Die Edition for $5.

Groupon is offering an Xbox One with a free copy of Project Spark for $320. Using the promo code GOODS5 takes 5 percent off, bringing its price down to $304.

Target has Mortal Kombat X for $38.49 on PS4 and $42 on Xbox One.

You can preorder Batman: Arkham Knight through Dell and receive a $15 gift card.

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

PlayStation 4

Walmart is offering The Last of Us Remastered PS4 bundle with an extra controller or Battlefield Hardline for $399. Alternatively, you can add $10 to get The Witcher 3 or Mortal Kombat X in place of the controller/Hardline.

Groupon has the Last of Us Remastered PS4 bundle with copies of Alien: Isolation and Call of Duty: Ghosts for $420.

EBay has seller-refurbished PS4s for $324.

Trade in a working 250 GB Xbox 360 or PS3 Slim and get at least $175 toward a new PS4 at Best Buy.

The PlayStation Store has kicked off a sale on Capcom games, primarily offering discounts on PS3 games. There's also a PSN sale on NBA 2K15, bringing its price down to $30 and discounting its in-game currency.

Other PS4 game deals:

• Mortal Kombat X -- $38.49 (Target)
• Bloodborne -- $42.56 (Amazon)
• Metro Redux -- $24 (Amazon) / $20 (Best Buy)
• Devil May Cry: Definitive Edition -- $35 (Amazon) / $28 (Target)
• Borderlands: The Handsome Collection -- $50 (Amazon) / $50 (GameStop)
• Dead or Alive 5: Last Round -- $30 (Amazon)
• Battlefield Hardline -- $40 (Amazon)
• Dark Souls II: Scholar of the First Sin -- $48 (Amazon)
• Resident Evil: Revelations 2 -- $28 (Amazon) / $28 (Target)
• Tropico 5 -- $42 (Amazon)
• Far Cry 4 -- $30 (Amazon)
• Far Cry 4: Kyrat Edition -- $60 (Amazon)
• The Order: 1886 -- $40 (Amazon)
• Final Fantasy Type-0 HD -- $43 (Amazon)
• LittleBigPlanet 3 -- $41 (Amazon)
• Diablo III: Ultimate Evil Edition -- $41.65 (Amazon)
• Grand Theft Auto V -- $50.66 (Amazon)
• Evolve -- $33 (Amazon) / $23 (Target)
• Call of Duty: Advanced Warfare -- $34.60 (Amazon)
• Dying Light -- $40 (Amazon)
• Dragon Age: Inquisition -- $39.58 (Amazon)
• Alien: Isolation -- $24 (Amazon)
• Wolfenstein: The New Order -- $35.52 (Amazon)
• The Crew -- $30 (Amazon)
• Destiny -- $20 (Amazon) / $20 (Target)
• WWE 2K15 -- $40 (Amazon) / $26.59 (Target)
• Middle-earth: Shadow of Mordor -- $30 (Amazon)
• Natural Doctrine -- $30 (Amazon)
• Infamous: Second Son -- $26.49 (Amazon)
• Watch Dogs -- $16 (Amazon)
• Assassin's Creed: Unity -- $20 (Amazon) / $20 (Best Buy)
• Killzone: Shadow Fall -- $23 (Amazon)
• The Last of Us Remastered -- $16.36 (Amazon)
• NBA 2K15 -- $30.49 (Amazon)
• NHL 15 -- $28 (Amazon) / $28 (Target)
• The Evil Within -- $40 (Amazon)
• Lego Marvel Super Heroes -- $15 (Amazon)
• Lego Batman 3: Beyond Gotham -- $19 (Amazon)
• Disney Infinity 2.0 Toy Box Starter Pack -- $33 (Amazon)
• Disney Infinity 2.0 Marvel Super Heroes Starter Pack -- $46 (Amazon)
• Call of Duty: Ghosts -- $19 (Amazon)
• Shadow Warrior -- $17.57 (Amazon)

The free PlayStation Plus games for June are now available and include Metal Gear Solid V: Ground Zeroes, Skulls of the Shogun, and more.

Xbox One

Walmart is offering the Halo Master Chief Collection Xbox One bundle with a free second controller or Call of Duty: Advanced Warfare for $349. Adding $10 more lets you get Battlefield Hardline in place of Advanced Warfare, while $20 more lets you pick either Witcher 3 or Mortal Kombat X.

You can buy a year of Xbox Live Gold on eBay for $38.

Best Buy will take $20 off the price of a one-year Xbox Live Gold membership when you buy any Xbox 360 or Xbox One.

Microsoft's latest Deals With Gold promotion is on, discounting a handful of Xbox One and Xbox 360 games, such as Costume Quest 2 for $6 and Metro 2033/Last Light Redux for $12.50 each. You can check out all the deals here.

Other Xbox One game deals:

• Mortal Kombat X -- $42 (Target)
• Metro Redux -- $20 (Amazon) / $20 (Best Buy)
• Borderlands: The Handsome Collection -- $47 (Amazon) / $50 (GameStop)
• Battlefield Hardline -- $40 (Amazon) / $40 (Target)
• Final Fantasy Type-0 HD -- $28 (Amazon)
• Resident Evil: Revelations 2 -- $28 (Amazon) / $28 (Target)
• State of Decay: Year-One Survival Edition -- $25 (Amazon) / $25 (Best Buy)
• Devil May Cry: Definitive Edition -- $35 (Amazon) / $28 (Target)
• Dead Rising 3: Apocalypse Edition -- $25 (Amazon) / $25 (Best Buy)
• Dark Souls II: Scholar of the First Sin -- $40 (Amazon)
• Sunset Overdrive -- $25 (Amazon) / $25 (Best Buy)
• Forza Horizon 2 -- $53 (Amazon)
• Far Cry 4 -- $30 (Amazon)
• Dead or Alive 5: Last Round -- $29.40 (Amazon) / $30 (Walmart)
• Diablo III: Ultimate Evil Edition -- $39 (Amazon)
• Alien: Isolation -- $25 (Amazon)
• Evolve -- $25 (Amazon) / $25 (Target)
• Destiny -- $27 (Amazon)
• Call of Duty: Advanced Warfare -- $40 (Amazon)
• The Evil Within -- $30 (Amazon)
• Dying Light -- $40 (Amazon)
• Dragon Age: Inquisition -- $42 (Amazon)
• Halo: The Master Chief Collection -- $27 (Amazon) / $35 (Best Buy)
• NBA 2K15 -- $29 (Amazon)
• NHL 15 -- $28 (Amazon) / $28 (Target)
• WWE 2K15 -- $39.49 (Amazon) / $28 (Target)
• The Crew -- $30 (Amazon)
• Disney Infinity 2.0 Toy Box Starter Pack -- $35 (Amazon)
• Disney Infinity 2.0 Marvel Super Heroes Starter Pack -- $40 (Amazon)
• Ryse: Son of Rome - Legendary Edition -- $25 (Amazon) / $25 (Best Buy)
• Assassin's Creed: Unity -- $20 (Amazon) / $20 (Best Buy)
• Watch Dogs -- $19.49 (Amazon)
• Middle-earth: Shadow of Mordor -- $33 (Amazon)
• Wolfenstein: The New Order -- $30 (Amazon)
• Lego Marvel Super Heroes -- $15 (Best Buy)
• Call of Duty: Ghosts -- $16 (Amazon)
• Shadow Warrior -- $16.61 (Amazon)

June's free Games With Gold games are now available and include the newly released Massive Chalice and Just Cause 2.

PC

If you back the Bard's Tale 4 Kickstarter by 6 AM PST on June 4, you'll get a free copy of Wasteland 2 or either of the first two Witcher games. Or you can get the first two Witcher games for free by preordering The Witcher 3's season pass on GOG.

The latest Humble Weekly Bundle features Relic Entertainment's games, including the Company of Heroes and Dawn of War series.

Steam currently has sales featuring Assassin's Creed and Oddworld games

Get 20 percent off at Green Man Gaming with the promo code: 23PERC-ENTOFF-48HOUR

Ultima VIII: Gold Edition is free on Origin.

Other PC game deals:

• Skullgirls -- $3 (Steam)
• Space Run -- $3.74 (Steam)
• Deus Ex Collection -- $8.24 (GMG)
• Deus Ex: Game of the Year Edition -- $1.74 (GMG)
• Deus Ex: Human Revolution -- $5 (GMG)
• The Fruit of Grisaia -- $32 (Steam)
• Hyperdimension Neptunia Rebirth 2: Sisters Generation -- $15 (Steam)
• Diablo III -- $25.66 (Amazon)
• Diablo III: Reaper of Souls -- $29 (Amazon)
• StarCraft II: Battle Chest -- $24 (Best Buy)
• Tropico 5 -- $24 (Amazon)
• Dying Light -- $40 (Amazon)
• South Park: The Stick of Truth -- $18.50 (Amazon)
• Battlefield Hardline -- $38 (Amazon) / $38 (Target)
• The Sims 4 -- $40 (GameStop) / $42 (Target)
• The Sims 4: Get to Work -- $28 (Target)
• Assassin's Creed Rogue -- $32.50 (Amazon)
• Evolve -- $35 (Amazon)
• Far Cry 4 -- $30 (Amazon)
• The Evil Within -- $18 (Amazon)
• Watch Dogs -- $12 (Amazon)
• Batman: Arkham Origins -- $16 (Amazon)
• Dragon Age: Inquisition -- $40 (Amazon)
• Assassin's Creed IV: Black Flag -- $20 (Amazon)
• The Lego Movie Video Game -- $15 (Amazon)

Wii U

Best Buy still has the special edition Splatoon Wii U bundle for $300.

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

The new Humble Bundle is offering a number of Wii U (and 3DS) games on the cheap, marking the first time a Humble Bundle has ever offered console or handheld games.

• Mario Party 10 -- $40 (Amazon) / $40 (Best Buy)
• Mario Kart 8 -- $50 (Amazon) / $50 (Best Buy)
• Bayonetta 2 -- $45 (GameStop)
• Donkey Kong Country: Tropical Freeze -- $42 (Amazon)
• Deus Ex: Human Revolution Director's Cut -- $15 (Amazon)
• Super Smash Bros. for Wii U -- $49 (Amazon) / $50 (Best Buy) / $49 (Walmart)
• Epic Mickey 2: The Power of Two -- $8.49 (Amazon)
• NES Remix Pack -- $27.50 (Amazon)
• Super Mario 3D World -- $48 (Amazon)
• Hyrule Warriors -- $49 (Amazon)
• Batman: Arkham City Armored Edition -- $14.39 (Amazon)
• Batman: Arkham Origins -- $15 (Amazon)
• Lego Batman 3: Beyond Gotham -- $23 (Amazon)
• Watch Dogs -- $18 (Amazon)
• Sonic All-Stars Racing Transformed -- $16.51 (Amazon)
• Scribblenauts Unlimited -- $16 (Amazon)
• Transformer Prime: The Game -- $11.57 (Amazon)

3DS

Walmart is offering a New 3DS XL bundle with Super Smash Bros. for 3DS and your choice of select Amiibo figurines for $219.

Alternatively, the retailer has a New 3DS XL bundle with your choice of select games and a Pokemon figurine for $219-$227. Eligible games include Monster Hunter 4 Ultimate, Code Name: Steam, and quite a few more.

Groupon is selling the 3DS XL Super Mario Bros. 2 Gold Edition, which includes the game and a limited-edition system, for $175.

The new Humble Bundle includes several 3DS games.

• Pokemon Y -- $30 (Amazon)
• Steel Diver -- $8 (Best Buy)
• Monster Hunter 4 Ultimate -- $30 (Amazon)
• Scribblenauts Unlimited -- $8 (Best Buy)
• Scribblenauts Unmasked: A DC Comics Adventure -- $12 (Amazon)
• Epic Mickey: Power of Illusion -- $7.49 (Amazon)
• Batman: Arkham Origins Blackgate -- $15 (Amazon)
• Code Name: Steam -- $30 (Amazon)
• Crosswords Plus -- $6 (Best Buy)
• Lego Marvel Super Heroes -- $15 (Amazon)
• Lego Batman 3: Beyond Gotham -- $10 (Amazon)
• Conception II: Children of the Seven Stars -- $21 (Amazon)
• Sonic All-Stars Racing Transformed -- $20 (Amazon)
• Hometown Story -- $15 (Amazon)

PS Vita

• Persona 4: Golden -- $20 (Amazon)
• Tearaway -- $28.65 (Amazon)
• Gravity Rush -- $18 (Amazon)
• The Wolf Among Us -- $13.33 (Amazon) / $15 (Best Buy)
• Borderlands 2 -- $20 (Amazon) / $24 (Best Buy)
• Freedom Wars -- $20 (Amazon)
• Batman: Arkham Origins Blackgate -- $15 (Amazon)
• The Walking Dead: Season Two -- $19 (Best Buy)
• Mind Zero -- $28 (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 -- $68.32 (Amazon)

Hardware

• PlayStation 4 Camera -- $45 (Amazon) / $45 (Walmart)
• PowerA DualShock 4 Controller Charging Station -- $15 (Amazon)
• Logitech G402 Hyperion Fury Gaming Mouse -- $41 (Amazon)
• Logitech G502 Proteus Core Gaming Mouse -- $61 (Amazon)
• Logitech G602 Wireless Gaming Mouse -- $55 (Amazon)
• Logitech G700s Gaming Mouse -- $63.58 (Amazon)
• Wireless Xbox 360 Controller for Windows -- $42.64 (Amazon)
• Wireless Xbox 360 Controller -- $35 (Groupon)
• Wired Xbox 360 Controller for Windows -- $28 (Amazon)
• Black Xbox One Wireless Controller -- $49.50 (Amazon) / $40 (Rakuten)
• PlayStation Silver Wired Stereo Headset -- $28 (Amazon)
• Turtle Beach Ear Force PX22 Amplified Universal Gaming Headset -- $57.65 (Amazon)
• Logitech Wireless Gaming Headset G930 -- $98 (Amazon)
• HyperX Cloud II Gaming Headset for PC & PS4 -- $100 (Amazon)
• PlayStation 3 3D Glasses -- $9 (Amazon)

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.