I'm bringing these back:

1st: Monument Valley [WP]

5th: Grim Fandango: Remastered [iOS] [Android]
Shin Megami Tensei: Devil Survivor 2 Record Breaker [3DS]
Wolfenstein: The Old Blood [Win] [PS4] [XBO]
Ether One [PS4]

7th: Project CARS [Win]

12th: Attack on Titan: Humanity in Chains [3DS]
Final Fantasy X/X-2 HD Remaster [PS4] [PSN]
Invisible, Inc. [Win] [Mac] [Lin]
Project CARS [PS4] [XBO]

13th: Lifeless Planet [XBO]

14th: 3D Thunder Blade [3DS]
Axiom Verge [Win]
Galactic Civilizations III [Win]
Not a Hero [Win] [Mac] [Lin]

19th: Hyperdimension Neptunia Re;Birth2: Sisters Generation [Win]
Hyperdimension Neptunia U: Action Unleashed [PSVita]
Ride [Win] [PS3] [PS4] [X360] [XBO]
The Witcher 3: Wild Hunt [Win] [PS4] [XBO]

21st: Carmageddon: Reincarnation [Win] [Mac] [Lin]

22nd: NASCAR '15 [PS3] [X360] [Win]
Puzzle & Dragons Z + Super Mario Bros. Edition [3DS]

26th: Hatsune Miku: Project Mirai DX [3DS]
Magicka 2 [Win] [PS4]
Ultra Street Fighter 4 [PS4]

27th: Rogue Legacy [XBO]

29th: Legend of Kay HD [PS4] [Win] [WiiU]
Splatoon [WiiU]

TBA: Adventures of Pip [WiiU]
Chaos Reborn [Win] [Mac] [Lin]
Don't Starve: Giant Edition [WiiU]
Final Fantasy IV: The After Years [Win]
Life is Strange: Episode 3 - Chaos Theory [Win] [PS4] [XBO] [PS3] [X360]

Slow month for games IMO. Only games that stand out to me are Witcher 3, Hatsune Miku, Ultra Street Fighter 4, and Life is Strange. I already have the FF games.

Anything catches your eye?